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// Generated by the protocol buffer compiler. DO NOT EDIT!
// source: google/spanner/v1/transaction.proto
package nl.topicus.jdbc.shaded.com.google.spanner.v1;
/**
*
* # Transactions
* Each session can have at most one active transaction at a time. After the
* active transaction is completed, the session can immediately be
* re-used for the next transaction. It is not necessary to create a
* new session for each transaction.
* # Transaction Modes
* Cloud Spanner supports two transaction modes:
* 1. Locking read-write. This type of transaction is the only way
* to write data into Cloud Spanner. These transactions rely on
* pessimistic locking and, if necessary, two-phase commit.
* Locking read-write transactions may abort, requiring the
* application to retry.
* 2. Snapshot read-only. This transaction type provides guaranteed
* consistency across several reads, but does not allow
* writes. Snapshot read-only transactions can be configured to
* read at timestamps in the past. Snapshot read-only
* transactions do not need to be committed.
* For transactions that only read, snapshot read-only transactions
* provide simpler semantics and are almost always faster. In
* particular, read-only transactions do not take locks, so they do
* not conflict with read-write transactions. As a consequence of not
* taking locks, they also do not abort, so retry loops are not needed.
* Transactions may only read/write data in a single database. They
* may, however, read/write data in different tables within that
* database.
* ## Locking Read-Write Transactions
* Locking transactions may be used to atomically read-modify-write
* data anywhere in a database. This type of transaction is externally
* consistent.
* Clients should attempt to minimize the amount of time a transaction
* is active. Faster transactions commit with higher probability
* and cause less contention. Cloud Spanner attempts to keep read locks
* active as long as the transaction continues to do reads, and the
* transaction has not been terminated by
* [Commit][google.spanner.v1.Spanner.Commit] or
* [Rollback][google.spanner.v1.Spanner.Rollback]. Long periods of
* inactivity at the client may cause Cloud Spanner to release a
* transaction's locks and abort it.
* Reads performed within a transaction acquire locks on the data
* being read. Writes can only be done at commit time, after all reads
* have been completed.
* Conceptually, a read-write transaction consists of zero or more
* reads or SQL queries followed by
* [Commit][google.spanner.v1.Spanner.Commit]. At any time before
* [Commit][google.spanner.v1.Spanner.Commit], the client can send a
* [Rollback][google.spanner.v1.Spanner.Rollback] request to abort the
* transaction.
* ### Semantics
* Cloud Spanner can commit the transaction if all read locks it acquired
* are still valid at commit time, and it is able to acquire write
* locks for all writes. Cloud Spanner can abort the transaction for any
* reason. If a commit attempt returns `ABORTED`, Cloud Spanner guarantees
* that the transaction has not modified any user data in Cloud Spanner.
* Unless the transaction commits, Cloud Spanner makes no guarantees about
* how long the transaction's locks were held for. It is an error to
* use Cloud Spanner locks for any sort of mutual exclusion other than
* between Cloud Spanner transactions themselves.
* ### Retrying Aborted Transactions
* When a transaction aborts, the application can choose to retry the
* whole transaction again. To maximize the chances of successfully
* committing the retry, the client should execute the retry in the
* same session as the original attempt. The original session's lock
* priority increases with each consecutive abort, meaning that each
* attempt has a slightly better chance of success than the previous.
* Under some circumstances (e.g., many transactions attempting to
* modify the same row(s)), a transaction can abort many times in a
* short period before successfully committing. Thus, it is not a good
* idea to cap the number of retries a transaction can attempt;
* instead, it is better to limit the total amount of wall time spent
* retrying.
* ### Idle Transactions
* A transaction is considered idle if it has no outstanding reads or
* SQL queries and has not started a read or SQL query within the last 10
* seconds. Idle transactions can be aborted by Cloud Spanner so that they
* don't hold on to locks indefinitely. In that case, the commit will
* fail with error `ABORTED`.
* If this behavior is undesirable, periodically executing a simple
* SQL query in the transaction (e.g., `SELECT 1`) prevents the
* transaction from becoming idle.
* ## Snapshot Read-Only Transactions
* Snapshot read-only transactions provides a simpler method than
* locking read-write transactions for doing several consistent
* reads. However, this type of transaction does not support writes.
* Snapshot transactions do not take locks. Instead, they work by
* choosing a Cloud Spanner timestamp, then executing all reads at that
* timestamp. Since they do not acquire locks, they do not block
* concurrent read-write transactions.
* Unlike locking read-write transactions, snapshot read-only
* transactions never abort. They can fail if the chosen read
* timestamp is garbage collected; however, the default garbage
* collection policy is generous enough that most applications do not
* need to worry about this in practice.
* Snapshot read-only transactions do not need to call
* [Commit][google.spanner.v1.Spanner.Commit] or
* [Rollback][google.spanner.v1.Spanner.Rollback] (and in fact are not
* permitted to do so).
* To execute a snapshot transaction, the client specifies a timestamp
* bound, which tells Cloud Spanner how to choose a read timestamp.
* The types of timestamp bound are:
* - Strong (the default).
* - Bounded staleness.
* - Exact staleness.
* If the Cloud Spanner database to be read is geographically distributed,
* stale read-only transactions can execute more quickly than strong
* or read-write transaction, because they are able to execute far
* from the leader replica.
* Each type of timestamp bound is discussed in detail below.
* ### Strong
* Strong reads are guaranteed to see the effects of all transactions
* that have committed before the start of the read. Furthermore, all
* rows yielded by a single read are consistent with each other -- if
* any part of the read observes a transaction, all parts of the read
* see the transaction.
* Strong reads are not repeatable: two consecutive strong read-only
* transactions might return inconsistent results if there are
* concurrent writes. If consistency across reads is required, the
* reads should be executed within a transaction or at an exact read
* timestamp.
* See [TransactionOptions.ReadOnly.strong][google.spanner.v1.TransactionOptions.ReadOnly.strong].
* ### Exact Staleness
* These timestamp bounds execute reads at a user-specified
* timestamp. Reads at a timestamp are guaranteed to see a consistent
* prefix of the global transaction history: they observe
* modifications done by all transactions with a commit timestamp <=
* the read timestamp, and observe none of the modifications done by
* transactions with a larger commit timestamp. They will block until
* all conflicting transactions that may be assigned commit timestamps
* <= the read timestamp have finished.
* The timestamp can either be expressed as an absolute Cloud Spanner commit
* timestamp or a staleness relative to the current time.
* These modes do not require a "negotiation phase" to pick a
* timestamp. As a result, they execute slightly faster than the
* equivalent boundedly stale concurrency modes. On the other hand,
* boundedly stale reads usually return fresher results.
* See [TransactionOptions.ReadOnly.read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.read_timestamp] and
* [TransactionOptions.ReadOnly.exact_staleness][google.spanner.v1.TransactionOptions.ReadOnly.exact_staleness].
* ### Bounded Staleness
* Bounded staleness modes allow Cloud Spanner to pick the read timestamp,
* subject to a user-provided staleness bound. Cloud Spanner chooses the
* newest timestamp within the staleness bound that allows execution
* of the reads at the closest available replica without blocking.
* All rows yielded are consistent with each other -- if any part of
* the read observes a transaction, all parts of the read see the
* transaction. Boundedly stale reads are not repeatable: two stale
* reads, even if they use the same staleness bound, can execute at
* different timestamps and thus return inconsistent results.
* Boundedly stale reads execute in two phases: the first phase
* negotiates a timestamp among all replicas needed to serve the
* read. In the second phase, reads are executed at the negotiated
* timestamp.
* As a result of the two phase execution, bounded staleness reads are
* usually a little slower than comparable exact staleness
* reads. However, they are typically able to return fresher
* results, and are more likely to execute at the closest replica.
* Because the timestamp negotiation requires up-front knowledge of
* which rows will be read, it can only be used with single-use
* read-only transactions.
* See [TransactionOptions.ReadOnly.max_staleness][google.spanner.v1.TransactionOptions.ReadOnly.max_staleness] and
* [TransactionOptions.ReadOnly.min_read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.min_read_timestamp].
* ### Old Read Timestamps and Garbage Collection
* Cloud Spanner continuously garbage collects deleted and overwritten data
* in the background to reclaim storage space. This process is known
* as "version GC". By default, version GC reclaims versions after they
* are one hour old. Because of this, Cloud Spanner cannot perform reads
* at read timestamps more than one hour in the past. This
* restriction also applies to in-progress reads and/or SQL queries whose
* timestamp become too old while executing. Reads and SQL queries with
* too-old read timestamps fail with the error `FAILED_PRECONDITION`.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions}
*/
public final class TransactionOptions extends
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3 implements
// @@protoc_insertion_point(message_implements:google.spanner.v1.TransactionOptions)
TransactionOptionsOrBuilder {
private static final long serialVersionUID = 0L;
// Use TransactionOptions.newBuilder() to construct.
private TransactionOptions(nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.Builder builder) {
super(builder);
}
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nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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mode_ =
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if (subBuilder != null) {
subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) mode_);
mode_ = subBuilder.buildPartial();
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modeCase_ = 1;
break;
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nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.Builder subBuilder = null;
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subBuilder = ((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_).toBuilder();
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mode_ =
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subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_);
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getDescriptor() {
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// @@protoc_insertion_point(interface_extends:google.spanner.v1.TransactionOptions.ReadWrite)
nl.topicus.jdbc.shaded.com.google.protobuf.MessageOrBuilder {
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/**
*
* Message type to initiate a read-write transaction. Currently this
* transaction type has no options.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions.ReadWrite}
*/
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nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3 implements
// @@protoc_insertion_point(message_implements:google.spanner.v1.TransactionOptions.ReadWrite)
ReadWriteOrBuilder {
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getDescriptor() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadWrite_descriptor;
}
protected nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadWrite_fieldAccessorTable
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java.nio.ByteBuffer data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
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nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
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public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parseFrom(byte[] data)
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return PARSER.parseFrom(data);
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public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parseFrom(
byte[] data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
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return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
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java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
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java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
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public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
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public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
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}
public Builder newBuilderForType() { return newBuilder(); }
public static Builder newBuilder() {
return DEFAULT_INSTANCE.toBuilder();
}
public static Builder newBuilder(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite prototype) {
return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
}
public Builder toBuilder() {
return this == DEFAULT_INSTANCE
? new Builder() : new Builder().mergeFrom(this);
}
@java.lang.Override
protected Builder newBuilderForType(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
Builder builder = new Builder(parent);
return builder;
}
/**
*
* Message type to initiate a read-write transaction. Currently this
* transaction type has no options.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions.ReadWrite}
*/
public static final class Builder extends
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.Builder implements
// @@protoc_insertion_point(builder_implements:google.spanner.v1.TransactionOptions.ReadWrite)
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWriteOrBuilder {
public static final nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadWrite_descriptor;
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protected nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadWrite_fieldAccessorTable
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nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.class, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.Builder.class);
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// Construct using nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.newBuilder()
private Builder() {
maybeForceBuilderInitialization();
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private Builder(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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maybeForceBuilderInitialization();
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}
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public Builder clear() {
super.clear();
return this;
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public nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptorForType() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadWrite_descriptor;
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public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite getDefaultInstanceForType() {
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nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite result = buildPartial();
if (!result.isInitialized()) {
throw newUninitializedMessageException(result);
}
return result;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite buildPartial() {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite result = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite(this);
onBuilt();
return result;
}
public Builder clone() {
return (Builder) super.clone();
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public Builder setField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
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public Builder clearField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field) {
return (Builder) super.clearField(field);
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public Builder clearOneof(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.OneofDescriptor oneof) {
return (Builder) super.clearOneof(oneof);
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public Builder setRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
int index, java.lang.Object value) {
return (Builder) super.setRepeatedField(field, index, value);
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public Builder addRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
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return (Builder) super.addRepeatedField(field, value);
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public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.protobuf.Message other) {
if (other instanceof nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) {
return mergeFrom((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite)other);
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super.mergeFrom(other);
return this;
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}
public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite other) {
if (other == nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.getDefaultInstance()) return this;
this.mergeUnknownFields(other.unknownFields);
onChanged();
return this;
}
public final boolean isInitialized() {
return true;
}
public Builder mergeFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite parsedMessage = null;
try {
parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
} catch (nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
parsedMessage = (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) e.getUnfinishedMessage();
throw e.unwrapIOException();
} finally {
if (parsedMessage != null) {
mergeFrom(parsedMessage);
}
}
return this;
}
public final Builder setUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.setUnknownFieldsProto3(unknownFields);
}
public final Builder mergeUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.mergeUnknownFields(unknownFields);
}
// @@protoc_insertion_point(builder_scope:google.spanner.v1.TransactionOptions.ReadWrite)
}
// @@protoc_insertion_point(class_scope:google.spanner.v1.TransactionOptions.ReadWrite)
private static final nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite DEFAULT_INSTANCE;
static {
DEFAULT_INSTANCE = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite();
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite getDefaultInstance() {
return DEFAULT_INSTANCE;
}
private static final nl.topicus.jdbc.shaded.com.google.protobuf.Parser
PARSER = new nl.topicus.jdbc.shaded.com.google.protobuf.AbstractParser() {
public ReadWrite parsePartialFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return new ReadWrite(input, extensionRegistry);
}
};
public static nl.topicus.jdbc.shaded.com.google.protobuf.Parser parser() {
return PARSER;
}
@java.lang.Override
public nl.topicus.jdbc.shaded.com.google.protobuf.Parser getParserForType() {
return PARSER;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite getDefaultInstanceForType() {
return DEFAULT_INSTANCE;
}
}
public interface ReadOnlyOrBuilder extends
// @@protoc_insertion_point(interface_extends:google.spanner.v1.TransactionOptions.ReadOnly)
nl.topicus.jdbc.shaded.com.google.protobuf.MessageOrBuilder {
/**
*
* Read at a timestamp where all previously committed transactions
* are visible.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* If true, the Cloud Spanner-selected read timestamp is included in
* the [Transaction][google.spanner.v1.Transaction] message that describes the transaction.
*
* Message type to initiate a read-only transaction.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions.ReadOnly}
*/
public static final class ReadOnly extends
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3 implements
// @@protoc_insertion_point(message_implements:google.spanner.v1.TransactionOptions.ReadOnly)
ReadOnlyOrBuilder {
private static final long serialVersionUID = 0L;
// Use ReadOnly.newBuilder() to construct.
private ReadOnly(nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.Builder builder) {
super(builder);
}
private ReadOnly() {
returnReadTimestamp_ = false;
}
@java.lang.Override
public final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet
getUnknownFields() {
return this.unknownFields;
}
private ReadOnly(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
this();
int mutable_bitField0_ = 0;
nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet.Builder unknownFields =
nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet.newBuilder();
try {
boolean done = false;
while (!done) {
int tag = input.readTag();
switch (tag) {
case 0:
done = true;
break;
default: {
if (!parseUnknownFieldProto3(
input, unknownFields, extensionRegistry, tag)) {
done = true;
}
break;
}
case 8: {
timestampBoundCase_ = 1;
timestampBound_ = input.readBool();
break;
}
case 18: {
nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.Builder subBuilder = null;
if (timestampBoundCase_ == 2) {
subBuilder = ((nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_).toBuilder();
}
timestampBound_ =
input.readMessage(nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.parser(), extensionRegistry);
if (subBuilder != null) {
subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
timestampBound_ = subBuilder.buildPartial();
}
timestampBoundCase_ = 2;
break;
}
case 26: {
nl.topicus.jdbc.shaded.com.google.protobuf.Duration.Builder subBuilder = null;
if (timestampBoundCase_ == 3) {
subBuilder = ((nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_).toBuilder();
}
timestampBound_ =
input.readMessage(nl.topicus.jdbc.shaded.com.google.protobuf.Duration.parser(), extensionRegistry);
if (subBuilder != null) {
subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
timestampBound_ = subBuilder.buildPartial();
}
timestampBoundCase_ = 3;
break;
}
case 34: {
nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.Builder subBuilder = null;
if (timestampBoundCase_ == 4) {
subBuilder = ((nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_).toBuilder();
}
timestampBound_ =
input.readMessage(nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.parser(), extensionRegistry);
if (subBuilder != null) {
subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
timestampBound_ = subBuilder.buildPartial();
}
timestampBoundCase_ = 4;
break;
}
case 42: {
nl.topicus.jdbc.shaded.com.google.protobuf.Duration.Builder subBuilder = null;
if (timestampBoundCase_ == 5) {
subBuilder = ((nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_).toBuilder();
}
timestampBound_ =
input.readMessage(nl.topicus.jdbc.shaded.com.google.protobuf.Duration.parser(), extensionRegistry);
if (subBuilder != null) {
subBuilder.mergeFrom((nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
timestampBound_ = subBuilder.buildPartial();
}
timestampBoundCase_ = 5;
break;
}
case 48: {
returnReadTimestamp_ = input.readBool();
break;
}
}
}
} catch (nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(this);
} catch (java.io.IOException e) {
throw new nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException(
e).setUnfinishedMessage(this);
} finally {
this.unknownFields = unknownFields.build();
makeExtensionsImmutable();
}
}
public static final nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadOnly_descriptor;
}
protected nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadOnly_fieldAccessorTable
.ensureFieldAccessorsInitialized(
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.class, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.Builder.class);
}
private int timestampBoundCase_ = 0;
private java.lang.Object timestampBound_;
public enum TimestampBoundCase
implements nl.topicus.jdbc.shaded.com.google.protobuf.Internal.EnumLite {
STRONG(1),
MIN_READ_TIMESTAMP(2),
MAX_STALENESS(3),
READ_TIMESTAMP(4),
EXACT_STALENESS(5),
TIMESTAMPBOUND_NOT_SET(0);
private final int value;
private TimestampBoundCase(int value) {
this.value = value;
}
/**
* @deprecated Use {@link #forNumber(int)} instead.
*/
@java.lang.Deprecated
public static TimestampBoundCase valueOf(int value) {
return forNumber(value);
}
public static TimestampBoundCase forNumber(int value) {
switch (value) {
case 1: return STRONG;
case 2: return MIN_READ_TIMESTAMP;
case 3: return MAX_STALENESS;
case 4: return READ_TIMESTAMP;
case 5: return EXACT_STALENESS;
case 0: return TIMESTAMPBOUND_NOT_SET;
default: return null;
}
}
public int getNumber() {
return this.value;
}
};
public TimestampBoundCase
getTimestampBoundCase() {
return TimestampBoundCase.forNumber(
timestampBoundCase_);
}
public static final int STRONG_FIELD_NUMBER = 1;
/**
*
* Read at a timestamp where all previously committed transactions
* are visible.
*
*
* bool strong = 1;
*/
public boolean getStrong() {
if (timestampBoundCase_ == 1) {
return (java.lang.Boolean) timestampBound_;
}
return false;
}
public static final int MIN_READ_TIMESTAMP_FIELD_NUMBER = 2;
/**
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
*
* .google.protobuf.Timestamp min_read_timestamp = 2;
*/
public nl.topicus.jdbc.shaded.com.google.protobuf.TimestampOrBuilder getMinReadTimestampOrBuilder() {
if (timestampBoundCase_ == 2) {
return (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_;
}
return nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.getDefaultInstance();
}
public static final int MAX_STALENESS_FIELD_NUMBER = 3;
/**
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
*
* .google.protobuf.Duration max_staleness = 3;
*/
public nl.topicus.jdbc.shaded.com.google.protobuf.DurationOrBuilder getMaxStalenessOrBuilder() {
if (timestampBoundCase_ == 3) {
return (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_;
}
return nl.topicus.jdbc.shaded.com.google.protobuf.Duration.getDefaultInstance();
}
public static final int READ_TIMESTAMP_FIELD_NUMBER = 4;
/**
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
*
* .google.protobuf.Timestamp read_timestamp = 4;
*/
public nl.topicus.jdbc.shaded.com.google.protobuf.TimestampOrBuilder getReadTimestampOrBuilder() {
if (timestampBoundCase_ == 4) {
return (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_;
}
return nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp.getDefaultInstance();
}
public static final int EXACT_STALENESS_FIELD_NUMBER = 5;
/**
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
*
* .google.protobuf.Duration exact_staleness = 5;
*/
public nl.topicus.jdbc.shaded.com.google.protobuf.DurationOrBuilder getExactStalenessOrBuilder() {
if (timestampBoundCase_ == 5) {
return (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_;
}
return nl.topicus.jdbc.shaded.com.google.protobuf.Duration.getDefaultInstance();
}
public static final int RETURN_READ_TIMESTAMP_FIELD_NUMBER = 6;
private boolean returnReadTimestamp_;
/**
*
* If true, the Cloud Spanner-selected read timestamp is included in
* the [Transaction][google.spanner.v1.Transaction] message that describes the transaction.
*
*
* bool return_read_timestamp = 6;
*/
public boolean getReturnReadTimestamp() {
return returnReadTimestamp_;
}
private byte memoizedIsInitialized = -1;
public final boolean isInitialized() {
byte isInitialized = memoizedIsInitialized;
if (isInitialized == 1) return true;
if (isInitialized == 0) return false;
memoizedIsInitialized = 1;
return true;
}
public void writeTo(nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream output)
throws java.io.IOException {
if (timestampBoundCase_ == 1) {
output.writeBool(
1, (boolean)((java.lang.Boolean) timestampBound_));
}
if (timestampBoundCase_ == 2) {
output.writeMessage(2, (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
}
if (timestampBoundCase_ == 3) {
output.writeMessage(3, (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
}
if (timestampBoundCase_ == 4) {
output.writeMessage(4, (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
}
if (timestampBoundCase_ == 5) {
output.writeMessage(5, (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
}
if (returnReadTimestamp_ != false) {
output.writeBool(6, returnReadTimestamp_);
}
unknownFields.writeTo(output);
}
public int getSerializedSize() {
int size = memoizedSize;
if (size != -1) return size;
size = 0;
if (timestampBoundCase_ == 1) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeBoolSize(
1, (boolean)((java.lang.Boolean) timestampBound_));
}
if (timestampBoundCase_ == 2) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(2, (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
}
if (timestampBoundCase_ == 3) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(3, (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
}
if (timestampBoundCase_ == 4) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(4, (nl.topicus.jdbc.shaded.com.google.protobuf.Timestamp) timestampBound_);
}
if (timestampBoundCase_ == 5) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(5, (nl.topicus.jdbc.shaded.com.google.protobuf.Duration) timestampBound_);
}
if (returnReadTimestamp_ != false) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeBoolSize(6, returnReadTimestamp_);
}
size += unknownFields.getSerializedSize();
memoizedSize = size;
return size;
}
@java.lang.Override
public boolean equals(final java.lang.Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly)) {
return super.equals(obj);
}
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly other = (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) obj;
boolean result = true;
result = result && (getReturnReadTimestamp()
== other.getReturnReadTimestamp());
result = result && getTimestampBoundCase().equals(
other.getTimestampBoundCase());
if (!result) return false;
switch (timestampBoundCase_) {
case 1:
result = result && (getStrong()
== other.getStrong());
break;
case 2:
result = result && getMinReadTimestamp()
.equals(other.getMinReadTimestamp());
break;
case 3:
result = result && getMaxStaleness()
.equals(other.getMaxStaleness());
break;
case 4:
result = result && getReadTimestamp()
.equals(other.getReadTimestamp());
break;
case 5:
result = result && getExactStaleness()
.equals(other.getExactStaleness());
break;
case 0:
default:
}
result = result && unknownFields.equals(other.unknownFields);
return result;
}
@java.lang.Override
public int hashCode() {
if (memoizedHashCode != 0) {
return memoizedHashCode;
}
int hash = 41;
hash = (19 * hash) + getDescriptor().hashCode();
hash = (37 * hash) + RETURN_READ_TIMESTAMP_FIELD_NUMBER;
hash = (53 * hash) + nl.topicus.jdbc.shaded.com.google.protobuf.Internal.hashBoolean(
getReturnReadTimestamp());
switch (timestampBoundCase_) {
case 1:
hash = (37 * hash) + STRONG_FIELD_NUMBER;
hash = (53 * hash) + nl.topicus.jdbc.shaded.com.google.protobuf.Internal.hashBoolean(
getStrong());
break;
case 2:
hash = (37 * hash) + MIN_READ_TIMESTAMP_FIELD_NUMBER;
hash = (53 * hash) + getMinReadTimestamp().hashCode();
break;
case 3:
hash = (37 * hash) + MAX_STALENESS_FIELD_NUMBER;
hash = (53 * hash) + getMaxStaleness().hashCode();
break;
case 4:
hash = (37 * hash) + READ_TIMESTAMP_FIELD_NUMBER;
hash = (53 * hash) + getReadTimestamp().hashCode();
break;
case 5:
hash = (37 * hash) + EXACT_STALENESS_FIELD_NUMBER;
hash = (53 * hash) + getExactStaleness().hashCode();
break;
case 0:
default:
}
hash = (29 * hash) + unknownFields.hashCode();
memoizedHashCode = hash;
return hash;
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
java.nio.ByteBuffer data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
java.nio.ByteBuffer data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(byte[] data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
byte[] data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(java.io.InputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseDelimitedFrom(java.io.InputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseDelimitedFrom(
java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public Builder newBuilderForType() { return newBuilder(); }
public static Builder newBuilder() {
return DEFAULT_INSTANCE.toBuilder();
}
public static Builder newBuilder(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly prototype) {
return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
}
public Builder toBuilder() {
return this == DEFAULT_INSTANCE
? new Builder() : new Builder().mergeFrom(this);
}
@java.lang.Override
protected Builder newBuilderForType(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
Builder builder = new Builder(parent);
return builder;
}
/**
*
* Message type to initiate a read-only transaction.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions.ReadOnly}
*/
public static final class Builder extends
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.Builder implements
// @@protoc_insertion_point(builder_implements:google.spanner.v1.TransactionOptions.ReadOnly)
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnlyOrBuilder {
public static final nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadOnly_descriptor;
}
protected nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadOnly_fieldAccessorTable
.ensureFieldAccessorsInitialized(
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.class, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.Builder.class);
}
// Construct using nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.newBuilder()
private Builder() {
maybeForceBuilderInitialization();
}
private Builder(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
super(parent);
maybeForceBuilderInitialization();
}
private void maybeForceBuilderInitialization() {
if (nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.alwaysUseFieldBuilders) {
}
}
public Builder clear() {
super.clear();
returnReadTimestamp_ = false;
timestampBoundCase_ = 0;
timestampBound_ = null;
return this;
}
public nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptorForType() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_ReadOnly_descriptor;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly getDefaultInstanceForType() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.getDefaultInstance();
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly build() {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly result = buildPartial();
if (!result.isInitialized()) {
throw newUninitializedMessageException(result);
}
return result;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly buildPartial() {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly result = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly(this);
if (timestampBoundCase_ == 1) {
result.timestampBound_ = timestampBound_;
}
if (timestampBoundCase_ == 2) {
if (minReadTimestampBuilder_ == null) {
result.timestampBound_ = timestampBound_;
} else {
result.timestampBound_ = minReadTimestampBuilder_.build();
}
}
if (timestampBoundCase_ == 3) {
if (maxStalenessBuilder_ == null) {
result.timestampBound_ = timestampBound_;
} else {
result.timestampBound_ = maxStalenessBuilder_.build();
}
}
if (timestampBoundCase_ == 4) {
if (readTimestampBuilder_ == null) {
result.timestampBound_ = timestampBound_;
} else {
result.timestampBound_ = readTimestampBuilder_.build();
}
}
if (timestampBoundCase_ == 5) {
if (exactStalenessBuilder_ == null) {
result.timestampBound_ = timestampBound_;
} else {
result.timestampBound_ = exactStalenessBuilder_.build();
}
}
result.returnReadTimestamp_ = returnReadTimestamp_;
result.timestampBoundCase_ = timestampBoundCase_;
onBuilt();
return result;
}
public Builder clone() {
return (Builder) super.clone();
}
public Builder setField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.setField(field, value);
}
public Builder clearField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field) {
return (Builder) super.clearField(field);
}
public Builder clearOneof(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.OneofDescriptor oneof) {
return (Builder) super.clearOneof(oneof);
}
public Builder setRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
int index, java.lang.Object value) {
return (Builder) super.setRepeatedField(field, index, value);
}
public Builder addRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.addRepeatedField(field, value);
}
public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.protobuf.Message other) {
if (other instanceof nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) {
return mergeFrom((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly)other);
} else {
super.mergeFrom(other);
return this;
}
}
public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly other) {
if (other == nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.getDefaultInstance()) return this;
if (other.getReturnReadTimestamp() != false) {
setReturnReadTimestamp(other.getReturnReadTimestamp());
}
switch (other.getTimestampBoundCase()) {
case STRONG: {
setStrong(other.getStrong());
break;
}
case MIN_READ_TIMESTAMP: {
mergeMinReadTimestamp(other.getMinReadTimestamp());
break;
}
case MAX_STALENESS: {
mergeMaxStaleness(other.getMaxStaleness());
break;
}
case READ_TIMESTAMP: {
mergeReadTimestamp(other.getReadTimestamp());
break;
}
case EXACT_STALENESS: {
mergeExactStaleness(other.getExactStaleness());
break;
}
case TIMESTAMPBOUND_NOT_SET: {
break;
}
}
this.mergeUnknownFields(other.unknownFields);
onChanged();
return this;
}
public final boolean isInitialized() {
return true;
}
public Builder mergeFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly parsedMessage = null;
try {
parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
} catch (nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
parsedMessage = (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) e.getUnfinishedMessage();
throw e.unwrapIOException();
} finally {
if (parsedMessage != null) {
mergeFrom(parsedMessage);
}
}
return this;
}
private int timestampBoundCase_ = 0;
private java.lang.Object timestampBound_;
public TimestampBoundCase
getTimestampBoundCase() {
return TimestampBoundCase.forNumber(
timestampBoundCase_);
}
public Builder clearTimestampBound() {
timestampBoundCase_ = 0;
timestampBound_ = null;
onChanged();
return this;
}
/**
*
* Read at a timestamp where all previously committed transactions
* are visible.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp >= `min_read_timestamp`.
* This is useful for requesting fresher data than some previous
* read, or data that is fresh enough to observe the effects of some
* previously committed transaction whose timestamp is known.
* Note that this option can only be used in single-use transactions.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Read data at a timestamp >= `NOW - max_staleness`
* seconds. Guarantees that all writes that have committed more
* than the specified number of seconds ago are visible. Because
* Cloud Spanner chooses the exact timestamp, this mode works even if
* the client's local clock is substantially skewed from Cloud Spanner
* commit timestamps.
* Useful for reading the freshest data available at a nearby
* replica, while bounding the possible staleness if the local
* replica has fallen behind.
* Note that this option can only be used in single-use
* transactions.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at the given timestamp. Unlike other modes,
* reads at a specific timestamp are repeatable; the same read at
* the same timestamp always returns the same data. If the
* timestamp is in the future, the read will block until the
* specified timestamp, modulo the read's deadline.
* Useful for large scale consistent reads such as mapreduces, or
* for coordinating many reads against a consistent snapshot of the
* data.
* A timestamp in RFC3339 UTC \"Zulu\" format, accurate to nanoseconds.
* Example: `"2014-10-02T15:01:23.045123456Z"`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* Executes all reads at a timestamp that is `exact_staleness`
* old. The timestamp is chosen soon after the read is started.
* Guarantees that all writes that have committed more than the
* specified number of seconds ago are visible. Because Cloud Spanner
* chooses the exact timestamp, this mode works even if the client's
* local clock is substantially skewed from Cloud Spanner commit
* timestamps.
* Useful for reading at nearby replicas without the distributed
* timestamp negotiation overhead of `max_staleness`.
*
* If true, the Cloud Spanner-selected read timestamp is included in
* the [Transaction][google.spanner.v1.Transaction] message that describes the transaction.
*
* If true, the Cloud Spanner-selected read timestamp is included in
* the [Transaction][google.spanner.v1.Transaction] message that describes the transaction.
*
* If true, the Cloud Spanner-selected read timestamp is included in
* the [Transaction][google.spanner.v1.Transaction] message that describes the transaction.
*
*
* bool return_read_timestamp = 6;
*/
public Builder clearReturnReadTimestamp() {
returnReadTimestamp_ = false;
onChanged();
return this;
}
public final Builder setUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.setUnknownFieldsProto3(unknownFields);
}
public final Builder mergeUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.mergeUnknownFields(unknownFields);
}
// @@protoc_insertion_point(builder_scope:google.spanner.v1.TransactionOptions.ReadOnly)
}
// @@protoc_insertion_point(class_scope:google.spanner.v1.TransactionOptions.ReadOnly)
private static final nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly DEFAULT_INSTANCE;
static {
DEFAULT_INSTANCE = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly();
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly getDefaultInstance() {
return DEFAULT_INSTANCE;
}
private static final nl.topicus.jdbc.shaded.com.google.protobuf.Parser
PARSER = new nl.topicus.jdbc.shaded.com.google.protobuf.AbstractParser() {
public ReadOnly parsePartialFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return new ReadOnly(input, extensionRegistry);
}
};
public static nl.topicus.jdbc.shaded.com.google.protobuf.Parser parser() {
return PARSER;
}
@java.lang.Override
public nl.topicus.jdbc.shaded.com.google.protobuf.Parser getParserForType() {
return PARSER;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly getDefaultInstanceForType() {
return DEFAULT_INSTANCE;
}
}
private int modeCase_ = 0;
private java.lang.Object mode_;
public enum ModeCase
implements nl.topicus.jdbc.shaded.com.google.protobuf.Internal.EnumLite {
READ_WRITE(1),
READ_ONLY(2),
MODE_NOT_SET(0);
private final int value;
private ModeCase(int value) {
this.value = value;
}
/**
* @deprecated Use {@link #forNumber(int)} instead.
*/
@java.lang.Deprecated
public static ModeCase valueOf(int value) {
return forNumber(value);
}
public static ModeCase forNumber(int value) {
switch (value) {
case 1: return READ_WRITE;
case 2: return READ_ONLY;
case 0: return MODE_NOT_SET;
default: return null;
}
}
public int getNumber() {
return this.value;
}
};
public ModeCase
getModeCase() {
return ModeCase.forNumber(
modeCase_);
}
public static final int READ_WRITE_FIELD_NUMBER = 1;
/**
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
*
* .google.spanner.v1.TransactionOptions.ReadWrite read_write = 1;
*/
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWriteOrBuilder getReadWriteOrBuilder() {
if (modeCase_ == 1) {
return (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) mode_;
}
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.getDefaultInstance();
}
public static final int READ_ONLY_FIELD_NUMBER = 2;
/**
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
*
* .google.spanner.v1.TransactionOptions.ReadOnly read_only = 2;
*/
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnlyOrBuilder getReadOnlyOrBuilder() {
if (modeCase_ == 2) {
return (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_;
}
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.getDefaultInstance();
}
private byte memoizedIsInitialized = -1;
public final boolean isInitialized() {
byte isInitialized = memoizedIsInitialized;
if (isInitialized == 1) return true;
if (isInitialized == 0) return false;
memoizedIsInitialized = 1;
return true;
}
public void writeTo(nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream output)
throws java.io.IOException {
if (modeCase_ == 1) {
output.writeMessage(1, (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) mode_);
}
if (modeCase_ == 2) {
output.writeMessage(2, (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_);
}
unknownFields.writeTo(output);
}
public int getSerializedSize() {
int size = memoizedSize;
if (size != -1) return size;
size = 0;
if (modeCase_ == 1) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(1, (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite) mode_);
}
if (modeCase_ == 2) {
size += nl.topicus.jdbc.shaded.com.google.protobuf.CodedOutputStream
.computeMessageSize(2, (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_);
}
size += unknownFields.getSerializedSize();
memoizedSize = size;
return size;
}
@java.lang.Override
public boolean equals(final java.lang.Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions)) {
return super.equals(obj);
}
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions other = (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions) obj;
boolean result = true;
result = result && getModeCase().equals(
other.getModeCase());
if (!result) return false;
switch (modeCase_) {
case 1:
result = result && getReadWrite()
.equals(other.getReadWrite());
break;
case 2:
result = result && getReadOnly()
.equals(other.getReadOnly());
break;
case 0:
default:
}
result = result && unknownFields.equals(other.unknownFields);
return result;
}
@java.lang.Override
public int hashCode() {
if (memoizedHashCode != 0) {
return memoizedHashCode;
}
int hash = 41;
hash = (19 * hash) + getDescriptor().hashCode();
switch (modeCase_) {
case 1:
hash = (37 * hash) + READ_WRITE_FIELD_NUMBER;
hash = (53 * hash) + getReadWrite().hashCode();
break;
case 2:
hash = (37 * hash) + READ_ONLY_FIELD_NUMBER;
hash = (53 * hash) + getReadOnly().hashCode();
break;
case 0:
default:
}
hash = (29 * hash) + unknownFields.hashCode();
memoizedHashCode = hash;
return hash;
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
java.nio.ByteBuffer data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
java.nio.ByteBuffer data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.ByteString data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(byte[] data)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
byte[] data,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(java.io.InputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseDelimitedFrom(java.io.InputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseDelimitedFrom(
java.io.InputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input, extensionRegistry);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parseFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public Builder newBuilderForType() { return newBuilder(); }
public static Builder newBuilder() {
return DEFAULT_INSTANCE.toBuilder();
}
public static Builder newBuilder(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions prototype) {
return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
}
public Builder toBuilder() {
return this == DEFAULT_INSTANCE
? new Builder() : new Builder().mergeFrom(this);
}
@java.lang.Override
protected Builder newBuilderForType(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
Builder builder = new Builder(parent);
return builder;
}
/**
*
* # Transactions
* Each session can have at most one active transaction at a time. After the
* active transaction is completed, the session can immediately be
* re-used for the next transaction. It is not necessary to create a
* new session for each transaction.
* # Transaction Modes
* Cloud Spanner supports two transaction modes:
* 1. Locking read-write. This type of transaction is the only way
* to write data into Cloud Spanner. These transactions rely on
* pessimistic locking and, if necessary, two-phase commit.
* Locking read-write transactions may abort, requiring the
* application to retry.
* 2. Snapshot read-only. This transaction type provides guaranteed
* consistency across several reads, but does not allow
* writes. Snapshot read-only transactions can be configured to
* read at timestamps in the past. Snapshot read-only
* transactions do not need to be committed.
* For transactions that only read, snapshot read-only transactions
* provide simpler semantics and are almost always faster. In
* particular, read-only transactions do not take locks, so they do
* not conflict with read-write transactions. As a consequence of not
* taking locks, they also do not abort, so retry loops are not needed.
* Transactions may only read/write data in a single database. They
* may, however, read/write data in different tables within that
* database.
* ## Locking Read-Write Transactions
* Locking transactions may be used to atomically read-modify-write
* data anywhere in a database. This type of transaction is externally
* consistent.
* Clients should attempt to minimize the amount of time a transaction
* is active. Faster transactions commit with higher probability
* and cause less contention. Cloud Spanner attempts to keep read locks
* active as long as the transaction continues to do reads, and the
* transaction has not been terminated by
* [Commit][google.spanner.v1.Spanner.Commit] or
* [Rollback][google.spanner.v1.Spanner.Rollback]. Long periods of
* inactivity at the client may cause Cloud Spanner to release a
* transaction's locks and abort it.
* Reads performed within a transaction acquire locks on the data
* being read. Writes can only be done at commit time, after all reads
* have been completed.
* Conceptually, a read-write transaction consists of zero or more
* reads or SQL queries followed by
* [Commit][google.spanner.v1.Spanner.Commit]. At any time before
* [Commit][google.spanner.v1.Spanner.Commit], the client can send a
* [Rollback][google.spanner.v1.Spanner.Rollback] request to abort the
* transaction.
* ### Semantics
* Cloud Spanner can commit the transaction if all read locks it acquired
* are still valid at commit time, and it is able to acquire write
* locks for all writes. Cloud Spanner can abort the transaction for any
* reason. If a commit attempt returns `ABORTED`, Cloud Spanner guarantees
* that the transaction has not modified any user data in Cloud Spanner.
* Unless the transaction commits, Cloud Spanner makes no guarantees about
* how long the transaction's locks were held for. It is an error to
* use Cloud Spanner locks for any sort of mutual exclusion other than
* between Cloud Spanner transactions themselves.
* ### Retrying Aborted Transactions
* When a transaction aborts, the application can choose to retry the
* whole transaction again. To maximize the chances of successfully
* committing the retry, the client should execute the retry in the
* same session as the original attempt. The original session's lock
* priority increases with each consecutive abort, meaning that each
* attempt has a slightly better chance of success than the previous.
* Under some circumstances (e.g., many transactions attempting to
* modify the same row(s)), a transaction can abort many times in a
* short period before successfully committing. Thus, it is not a good
* idea to cap the number of retries a transaction can attempt;
* instead, it is better to limit the total amount of wall time spent
* retrying.
* ### Idle Transactions
* A transaction is considered idle if it has no outstanding reads or
* SQL queries and has not started a read or SQL query within the last 10
* seconds. Idle transactions can be aborted by Cloud Spanner so that they
* don't hold on to locks indefinitely. In that case, the commit will
* fail with error `ABORTED`.
* If this behavior is undesirable, periodically executing a simple
* SQL query in the transaction (e.g., `SELECT 1`) prevents the
* transaction from becoming idle.
* ## Snapshot Read-Only Transactions
* Snapshot read-only transactions provides a simpler method than
* locking read-write transactions for doing several consistent
* reads. However, this type of transaction does not support writes.
* Snapshot transactions do not take locks. Instead, they work by
* choosing a Cloud Spanner timestamp, then executing all reads at that
* timestamp. Since they do not acquire locks, they do not block
* concurrent read-write transactions.
* Unlike locking read-write transactions, snapshot read-only
* transactions never abort. They can fail if the chosen read
* timestamp is garbage collected; however, the default garbage
* collection policy is generous enough that most applications do not
* need to worry about this in practice.
* Snapshot read-only transactions do not need to call
* [Commit][google.spanner.v1.Spanner.Commit] or
* [Rollback][google.spanner.v1.Spanner.Rollback] (and in fact are not
* permitted to do so).
* To execute a snapshot transaction, the client specifies a timestamp
* bound, which tells Cloud Spanner how to choose a read timestamp.
* The types of timestamp bound are:
* - Strong (the default).
* - Bounded staleness.
* - Exact staleness.
* If the Cloud Spanner database to be read is geographically distributed,
* stale read-only transactions can execute more quickly than strong
* or read-write transaction, because they are able to execute far
* from the leader replica.
* Each type of timestamp bound is discussed in detail below.
* ### Strong
* Strong reads are guaranteed to see the effects of all transactions
* that have committed before the start of the read. Furthermore, all
* rows yielded by a single read are consistent with each other -- if
* any part of the read observes a transaction, all parts of the read
* see the transaction.
* Strong reads are not repeatable: two consecutive strong read-only
* transactions might return inconsistent results if there are
* concurrent writes. If consistency across reads is required, the
* reads should be executed within a transaction or at an exact read
* timestamp.
* See [TransactionOptions.ReadOnly.strong][google.spanner.v1.TransactionOptions.ReadOnly.strong].
* ### Exact Staleness
* These timestamp bounds execute reads at a user-specified
* timestamp. Reads at a timestamp are guaranteed to see a consistent
* prefix of the global transaction history: they observe
* modifications done by all transactions with a commit timestamp <=
* the read timestamp, and observe none of the modifications done by
* transactions with a larger commit timestamp. They will block until
* all conflicting transactions that may be assigned commit timestamps
* <= the read timestamp have finished.
* The timestamp can either be expressed as an absolute Cloud Spanner commit
* timestamp or a staleness relative to the current time.
* These modes do not require a "negotiation phase" to pick a
* timestamp. As a result, they execute slightly faster than the
* equivalent boundedly stale concurrency modes. On the other hand,
* boundedly stale reads usually return fresher results.
* See [TransactionOptions.ReadOnly.read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.read_timestamp] and
* [TransactionOptions.ReadOnly.exact_staleness][google.spanner.v1.TransactionOptions.ReadOnly.exact_staleness].
* ### Bounded Staleness
* Bounded staleness modes allow Cloud Spanner to pick the read timestamp,
* subject to a user-provided staleness bound. Cloud Spanner chooses the
* newest timestamp within the staleness bound that allows execution
* of the reads at the closest available replica without blocking.
* All rows yielded are consistent with each other -- if any part of
* the read observes a transaction, all parts of the read see the
* transaction. Boundedly stale reads are not repeatable: two stale
* reads, even if they use the same staleness bound, can execute at
* different timestamps and thus return inconsistent results.
* Boundedly stale reads execute in two phases: the first phase
* negotiates a timestamp among all replicas needed to serve the
* read. In the second phase, reads are executed at the negotiated
* timestamp.
* As a result of the two phase execution, bounded staleness reads are
* usually a little slower than comparable exact staleness
* reads. However, they are typically able to return fresher
* results, and are more likely to execute at the closest replica.
* Because the timestamp negotiation requires up-front knowledge of
* which rows will be read, it can only be used with single-use
* read-only transactions.
* See [TransactionOptions.ReadOnly.max_staleness][google.spanner.v1.TransactionOptions.ReadOnly.max_staleness] and
* [TransactionOptions.ReadOnly.min_read_timestamp][google.spanner.v1.TransactionOptions.ReadOnly.min_read_timestamp].
* ### Old Read Timestamps and Garbage Collection
* Cloud Spanner continuously garbage collects deleted and overwritten data
* in the background to reclaim storage space. This process is known
* as "version GC". By default, version GC reclaims versions after they
* are one hour old. Because of this, Cloud Spanner cannot perform reads
* at read timestamps more than one hour in the past. This
* restriction also applies to in-progress reads and/or SQL queries whose
* timestamp become too old while executing. Reads and SQL queries with
* too-old read timestamps fail with the error `FAILED_PRECONDITION`.
*
*
* Protobuf type {@code google.spanner.v1.TransactionOptions}
*/
public static final class Builder extends
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.Builder implements
// @@protoc_insertion_point(builder_implements:google.spanner.v1.TransactionOptions)
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptionsOrBuilder {
public static final nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_descriptor;
}
protected nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_fieldAccessorTable
.ensureFieldAccessorsInitialized(
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.class, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.Builder.class);
}
// Construct using nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.newBuilder()
private Builder() {
maybeForceBuilderInitialization();
}
private Builder(
nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
super(parent);
maybeForceBuilderInitialization();
}
private void maybeForceBuilderInitialization() {
if (nl.topicus.jdbc.shaded.com.google.protobuf.GeneratedMessageV3
.alwaysUseFieldBuilders) {
}
}
public Builder clear() {
super.clear();
modeCase_ = 0;
mode_ = null;
return this;
}
public nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.Descriptor
getDescriptorForType() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionProto.internal_static_google_spanner_v1_TransactionOptions_descriptor;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions getDefaultInstanceForType() {
return nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.getDefaultInstance();
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions build() {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions result = buildPartial();
if (!result.isInitialized()) {
throw newUninitializedMessageException(result);
}
return result;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions buildPartial() {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions result = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions(this);
if (modeCase_ == 1) {
if (readWriteBuilder_ == null) {
result.mode_ = mode_;
} else {
result.mode_ = readWriteBuilder_.build();
}
}
if (modeCase_ == 2) {
if (readOnlyBuilder_ == null) {
result.mode_ = mode_;
} else {
result.mode_ = readOnlyBuilder_.build();
}
}
result.modeCase_ = modeCase_;
onBuilt();
return result;
}
public Builder clone() {
return (Builder) super.clone();
}
public Builder setField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.setField(field, value);
}
public Builder clearField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field) {
return (Builder) super.clearField(field);
}
public Builder clearOneof(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.OneofDescriptor oneof) {
return (Builder) super.clearOneof(oneof);
}
public Builder setRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
int index, java.lang.Object value) {
return (Builder) super.setRepeatedField(field, index, value);
}
public Builder addRepeatedField(
nl.topicus.jdbc.shaded.com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.addRepeatedField(field, value);
}
public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.protobuf.Message other) {
if (other instanceof nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions) {
return mergeFrom((nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions)other);
} else {
super.mergeFrom(other);
return this;
}
}
public Builder mergeFrom(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions other) {
if (other == nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.getDefaultInstance()) return this;
switch (other.getModeCase()) {
case READ_WRITE: {
mergeReadWrite(other.getReadWrite());
break;
}
case READ_ONLY: {
mergeReadOnly(other.getReadOnly());
break;
}
case MODE_NOT_SET: {
break;
}
}
this.mergeUnknownFields(other.unknownFields);
onChanged();
return this;
}
public final boolean isInitialized() {
return true;
}
public Builder mergeFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions parsedMessage = null;
try {
parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
} catch (nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException e) {
parsedMessage = (nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions) e.getUnfinishedMessage();
throw e.unwrapIOException();
} finally {
if (parsedMessage != null) {
mergeFrom(parsedMessage);
}
}
return this;
}
private int modeCase_ = 0;
private java.lang.Object mode_;
public ModeCase
getModeCase() {
return ModeCase.forNumber(
modeCase_);
}
public Builder clearMode() {
modeCase_ = 0;
mode_ = null;
onChanged();
return this;
}
private nl.topicus.jdbc.shaded.com.google.protobuf.SingleFieldBuilderV3<
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWrite.Builder, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadWriteOrBuilder> readWriteBuilder_;
/**
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction may write.
* Authorization to begin a read-write transaction requires
* `spanner.databases.beginOrRollbackReadWriteTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
* Transaction will not write.
* Authorization to begin a read-only transaction requires
* `spanner.databases.beginReadOnlyTransaction` permission
* on the `session` resource.
*
*
* .google.spanner.v1.TransactionOptions.ReadOnly read_only = 2;
*/
private nl.topicus.jdbc.shaded.com.google.protobuf.SingleFieldBuilderV3<
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.Builder, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnlyOrBuilder>
getReadOnlyFieldBuilder() {
if (readOnlyBuilder_ == null) {
if (!(modeCase_ == 2)) {
mode_ = nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.getDefaultInstance();
}
readOnlyBuilder_ = new nl.topicus.jdbc.shaded.com.google.protobuf.SingleFieldBuilderV3<
nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly.Builder, nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnlyOrBuilder>(
(nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions.ReadOnly) mode_,
getParentForChildren(),
isClean());
mode_ = null;
}
modeCase_ = 2;
onChanged();;
return readOnlyBuilder_;
}
public final Builder setUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.setUnknownFieldsProto3(unknownFields);
}
public final Builder mergeUnknownFields(
final nl.topicus.jdbc.shaded.com.google.protobuf.UnknownFieldSet unknownFields) {
return super.mergeUnknownFields(unknownFields);
}
// @@protoc_insertion_point(builder_scope:google.spanner.v1.TransactionOptions)
}
// @@protoc_insertion_point(class_scope:google.spanner.v1.TransactionOptions)
private static final nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions DEFAULT_INSTANCE;
static {
DEFAULT_INSTANCE = new nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions();
}
public static nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions getDefaultInstance() {
return DEFAULT_INSTANCE;
}
private static final nl.topicus.jdbc.shaded.com.google.protobuf.Parser
PARSER = new nl.topicus.jdbc.shaded.com.google.protobuf.AbstractParser() {
public TransactionOptions parsePartialFrom(
nl.topicus.jdbc.shaded.com.google.protobuf.CodedInputStream input,
nl.topicus.jdbc.shaded.com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws nl.topicus.jdbc.shaded.com.google.protobuf.InvalidProtocolBufferException {
return new TransactionOptions(input, extensionRegistry);
}
};
public static nl.topicus.jdbc.shaded.com.google.protobuf.Parser parser() {
return PARSER;
}
@java.lang.Override
public nl.topicus.jdbc.shaded.com.google.protobuf.Parser getParserForType() {
return PARSER;
}
public nl.topicus.jdbc.shaded.com.google.spanner.v1.TransactionOptions getDefaultInstanceForType() {
return DEFAULT_INSTANCE;
}
}
