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The MongoDB Java Driver uber-artifact, containing mongodb-driver, mongodb-driver-core, and bson
/*
* Copyright 2008-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mongodb.operation;
import com.mongodb.MongoBulkWriteException;
import com.mongodb.MongoException;
import com.mongodb.MongoNamespace;
import com.mongodb.WriteConcern;
import com.mongodb.WriteConcernResult;
import com.mongodb.async.SingleResultCallback;
import com.mongodb.binding.AsyncConnectionSource;
import com.mongodb.binding.AsyncWriteBinding;
import com.mongodb.binding.ConnectionSource;
import com.mongodb.binding.WriteBinding;
import com.mongodb.bulk.BulkWriteResult;
import com.mongodb.bulk.DeleteRequest;
import com.mongodb.bulk.InsertRequest;
import com.mongodb.bulk.UpdateRequest;
import com.mongodb.bulk.WriteRequest;
import com.mongodb.connection.AsyncConnection;
import com.mongodb.connection.Connection;
import com.mongodb.internal.connection.MongoWriteConcernWithResponseException;
import com.mongodb.internal.connection.ProtocolHelper;
import com.mongodb.internal.validator.NoOpFieldNameValidator;
import org.bson.BsonDocument;
import org.bson.FieldNameValidator;
import java.util.List;
import static com.mongodb.assertions.Assertions.isTrueArgument;
import static com.mongodb.assertions.Assertions.notNull;
import static com.mongodb.bulk.WriteRequest.Type.INSERT;
import static com.mongodb.bulk.WriteRequest.Type.REPLACE;
import static com.mongodb.bulk.WriteRequest.Type.UPDATE;
import static com.mongodb.internal.async.ErrorHandlingResultCallback.errorHandlingCallback;
import static com.mongodb.internal.operation.ServerVersionHelper.serverIsAtLeastVersionThreeDotSix;
import static com.mongodb.operation.CommandOperationHelper.shouldAttemptToRetry;
import static com.mongodb.operation.OperationHelper.AsyncCallableWithConnection;
import static com.mongodb.operation.OperationHelper.AsyncCallableWithConnectionAndSource;
import static com.mongodb.operation.OperationHelper.CallableWithConnectionAndSource;
import static com.mongodb.operation.OperationHelper.ConnectionReleasingWrappedCallback;
import static com.mongodb.operation.OperationHelper.LOGGER;
import static com.mongodb.operation.OperationHelper.isRetryableWrite;
import static com.mongodb.operation.OperationHelper.validateWriteRequests;
import static com.mongodb.operation.OperationHelper.withConnection;
import static com.mongodb.operation.OperationHelper.withReleasableConnection;
/**
* An operation to execute a series of write operations in bulk.
*
* @since 3.0
*/
@Deprecated
public class MixedBulkWriteOperation implements AsyncWriteOperation, WriteOperation {
private static final FieldNameValidator NO_OP_FIELD_NAME_VALIDATOR = new NoOpFieldNameValidator();
private final MongoNamespace namespace;
private final List writeRequests;
private final boolean ordered;
private final boolean retryWrites;
private final WriteConcern writeConcern;
private Boolean bypassDocumentValidation;
/**
* Construct a new instance.
*
* @param namespace the database and collection namespace for the operation.
* @param writeRequests the list of writeRequests to execute.
* @param ordered whether the writeRequests must be executed in order.
* @param writeConcern the write concern for the operation.
* @deprecated use {@link #MixedBulkWriteOperation(MongoNamespace, List, boolean, WriteConcern, boolean)} instead
*/
@Deprecated
public MixedBulkWriteOperation(final MongoNamespace namespace, final List writeRequests,
final boolean ordered, final WriteConcern writeConcern) {
this(namespace, writeRequests, ordered, writeConcern, false);
}
/**
* Construct a new instance.
*
* @param namespace the database and collection namespace for the operation.
* @param writeRequests the list of writeRequests to execute.
* @param ordered whether the writeRequests must be executed in order.
* @param writeConcern the write concern for the operation.
* @param retryWrites if writes should be retried if they fail due to a network error.
* @since 3.6
*/
public MixedBulkWriteOperation(final MongoNamespace namespace, final List writeRequests,
final boolean ordered, final WriteConcern writeConcern, final boolean retryWrites) {
this.ordered = ordered;
this.namespace = notNull("namespace", namespace);
this.writeRequests = notNull("writes", writeRequests);
this.writeConcern = notNull("writeConcern", writeConcern);
this.retryWrites = retryWrites;
isTrueArgument("writes is not an empty list", !writeRequests.isEmpty());
}
/**
* Gets the namespace of the collection to write to.
*
* @return the namespace
*/
public MongoNamespace getNamespace() {
return namespace;
}
/**
* Gets the write concern to apply
*
* @return the write concern
*/
public WriteConcern getWriteConcern() {
return writeConcern;
}
/**
* Gets whether the writes are ordered. If true, no more writes will be executed after the first failure.
*
* @return whether the writes are ordered
*/
public boolean isOrdered() {
return ordered;
}
/**
* Gets the list of write requests to execute.
*
* @return the list of write requests
*/
public List getWriteRequests() {
return writeRequests;
}
/**
* Gets the the bypass document level validation flag
*
* @return the bypass document level validation flag
* @since 3.2
* @mongodb.server.release 3.2
*/
public Boolean getBypassDocumentValidation() {
return bypassDocumentValidation;
}
/**
* Sets the bypass document level validation flag.
*
* @param bypassDocumentValidation If true, allows the write to opt-out of document level validation.
* @return this
* @since 3.2
* @mongodb.server.release 3.2
*/
public MixedBulkWriteOperation bypassDocumentValidation(final Boolean bypassDocumentValidation) {
this.bypassDocumentValidation = bypassDocumentValidation;
return this;
}
/**
* Returns true if writes should be retried if they fail due to a network error.
*
* @return the retryWrites value
* @since 3.6
* @mongodb.server.release 3.6
*/
public Boolean getRetryWrites() {
return retryWrites;
}
/**
* Executes a bulk write operation.
*
* @param binding the WriteBinding for the operation
* @return the bulk write result.
* @throws MongoBulkWriteException if a failure to complete the bulk write is detected based on the server response
*/
@Override
public BulkWriteResult execute(final WriteBinding binding) {
return withReleasableConnection(binding, new CallableWithConnectionAndSource() {
@Override
public BulkWriteResult call(final ConnectionSource connectionSource, final Connection connection) {
validateWriteRequestsAndReleaseConnectionIfError(connection);
if (getWriteConcern().isAcknowledged() || serverIsAtLeastVersionThreeDotSix(connection.getDescription())) {
BulkWriteBatch bulkWriteBatch = BulkWriteBatch.createBulkWriteBatch(namespace, connectionSource.getServerDescription(),
connection.getDescription(), ordered, writeConcern, bypassDocumentValidation, retryWrites, writeRequests,
binding.getSessionContext());
return executeBulkWriteBatch(binding, connection, bulkWriteBatch);
} else {
return executeLegacyBatches(connection);
}
}
});
}
@Override
public void executeAsync(final AsyncWriteBinding binding, final SingleResultCallback callback) {
final SingleResultCallback errHandlingCallback = errorHandlingCallback(callback, LOGGER);
withConnection(binding, new AsyncCallableWithConnectionAndSource() {
@Override
public void call(final AsyncConnectionSource source, final AsyncConnection connection, final Throwable t) {
if (t != null) {
errHandlingCallback.onResult(null, t);
} else {
validateWriteRequests(connection, bypassDocumentValidation, writeRequests, writeConcern,
new AsyncCallableWithConnection() {
@Override
public void call(final AsyncConnection connection, final Throwable t1) {
ConnectionReleasingWrappedCallback releasingCallback =
new ConnectionReleasingWrappedCallback(errHandlingCallback, source,
connection);
if (t1 != null) {
releasingCallback.onResult(null, t1);
} else {
if (writeConcern.isAcknowledged()
|| serverIsAtLeastVersionThreeDotSix(connection.getDescription())) {
try {
BulkWriteBatch batch = BulkWriteBatch.createBulkWriteBatch(namespace,
source.getServerDescription(), connection.getDescription(), ordered, writeConcern,
bypassDocumentValidation,
retryWrites, writeRequests, binding.getSessionContext());
executeBatchesAsync(binding, connection, batch, retryWrites, releasingCallback);
} catch (Throwable t) {
releasingCallback.onResult(null, t);
}
} else {
executeLegacyBatchesAsync(connection, getWriteRequests(), 1, releasingCallback);
}
}
}
});
}
}
});
}
private BulkWriteResult executeBulkWriteBatch(final WriteBinding binding, final Connection connection,
final BulkWriteBatch originalBatch) {
BulkWriteBatch currentBatch = originalBatch;
MongoException exception = null;
try {
while (currentBatch.shouldProcessBatch()) {
BsonDocument result = executeCommand(connection, currentBatch, binding);
if (retryWrites && !binding.getSessionContext().hasActiveTransaction()) {
MongoException writeConcernBasedError = ProtocolHelper.createSpecialException(result,
connection.getDescription().getServerAddress(), "errMsg");
if (writeConcernBasedError != null && shouldAttemptToRetry(true, writeConcernBasedError)) {
throw new MongoWriteConcernWithResponseException(writeConcernBasedError, result);
}
}
currentBatch.addResult(result);
currentBatch = currentBatch.getNextBatch();
}
} catch (MongoException e) {
exception = e;
} finally {
connection.release();
}
if (exception == null) {
return currentBatch.getResult();
} else if (!(exception instanceof MongoWriteConcernWithResponseException)
&& !shouldAttemptToRetry(originalBatch.getRetryWrites(), exception)) {
throw exception;
} else {
return retryExecuteBatches(binding, currentBatch, exception);
}
}
private BulkWriteResult retryExecuteBatches(final WriteBinding binding, final BulkWriteBatch retryBatch,
final MongoException originalError) {
return withReleasableConnection(binding, originalError, new CallableWithConnectionAndSource() {
@Override
public BulkWriteResult call(final ConnectionSource source, final Connection connection) {
if (!isRetryableWrite(retryWrites, writeConcern, source.getServerDescription(), connection.getDescription(),
binding.getSessionContext())) {
return checkMongoWriteConcernWithResponseException(connection);
} else {
try {
retryBatch.addResult(executeCommand(connection, retryBatch, binding));
} catch (Throwable t) {
return checkMongoWriteConcernWithResponseException(connection);
}
return executeBulkWriteBatch(binding, connection, retryBatch.getNextBatch());
}
}
private BulkWriteResult checkMongoWriteConcernWithResponseException(final Connection connection) {
if (originalError instanceof MongoWriteConcernWithResponseException) {
retryBatch.addResult((BsonDocument) ((MongoWriteConcernWithResponseException) originalError).getResponse());
return executeBulkWriteBatch(binding, connection, retryBatch.getNextBatch());
} else {
connection.release();
throw originalError;
}
}
});
}
private BulkWriteResult executeLegacyBatches(final Connection connection) {
try {
for (WriteRequest writeRequest : getWriteRequests()) {
if (writeRequest.getType() == INSERT) {
connection.insert(getNamespace(), isOrdered(), (InsertRequest) writeRequest);
} else if (writeRequest.getType() == UPDATE || writeRequest.getType() == REPLACE) {
connection.update(getNamespace(), isOrdered(), (UpdateRequest) writeRequest);
} else {
connection.delete(getNamespace(), isOrdered(), (DeleteRequest) writeRequest);
}
}
return BulkWriteResult.unacknowledged();
} finally {
connection.release();
}
}
private void executeBatchesAsync(final AsyncWriteBinding binding, final AsyncConnection connection, final BulkWriteBatch batch,
final boolean retryWrites, final ConnectionReleasingWrappedCallback callback) {
executeCommandAsync(binding, connection, batch, callback, getCommandCallback(binding, connection, batch, retryWrites, false,
callback));
}
private void retryExecuteBatchesAsync(final AsyncWriteBinding binding, final BulkWriteBatch retryBatch,
final Throwable originalError, final SingleResultCallback callback) {
withConnection(binding, new AsyncCallableWithConnectionAndSource() {
@Override
public void call(final AsyncConnectionSource source, final AsyncConnection connection, final Throwable t) {
if (t != null) {
callback.onResult(null, originalError);
} else {
final ConnectionReleasingWrappedCallback releasingCallback =
new ConnectionReleasingWrappedCallback(callback, source, connection);
if (!isRetryableWrite(retryWrites, writeConcern, source.getServerDescription(), connection.getDescription(),
binding.getSessionContext())) {
checkMongoWriteConcernWithResponseException(connection, releasingCallback);
} else {
executeCommandAsync(binding, connection, retryBatch, releasingCallback,
new SingleResultCallback() {
@Override
public void onResult(final BsonDocument result, final Throwable t) {
if (t != null) {
checkMongoWriteConcernWithResponseException(connection, releasingCallback);
} else {
getCommandCallback(binding, connection, retryBatch, true, true, releasingCallback)
.onResult(result, null);
}
}
});
}
}
}
private void checkMongoWriteConcernWithResponseException(final AsyncConnection connection,
final ConnectionReleasingWrappedCallback releasingCallback) {
if (originalError instanceof MongoWriteConcernWithResponseException) {
retryBatch.addResult((BsonDocument) ((MongoWriteConcernWithResponseException) originalError).getResponse());
BulkWriteBatch nextBatch = retryBatch.getNextBatch();
executeCommandAsync(binding, connection, nextBatch, releasingCallback,
getCommandCallback(binding, connection, nextBatch, true, true, releasingCallback));
} else {
releasingCallback.onResult(null, originalError);
}
}
});
}
private void executeLegacyBatchesAsync(final AsyncConnection connection, final List writeRequests,
final int batchNum, final SingleResultCallback callback) {
try {
if (!writeRequests.isEmpty()) {
WriteRequest writeRequest = writeRequests.get(0);
final List remaining = writeRequests.subList(1, writeRequests.size());
SingleResultCallback writeCallback = new SingleResultCallback() {
@Override
public void onResult(final WriteConcernResult result, final Throwable t) {
if (t != null) {
callback.onResult(null, t);
} else {
executeLegacyBatchesAsync(connection, remaining, batchNum + 1, callback);
}
}
};
if (writeRequest.getType() == INSERT) {
connection.insertAsync(getNamespace(), isOrdered(), (InsertRequest) writeRequest, writeCallback);
} else if (writeRequest.getType() == UPDATE || writeRequest.getType() == REPLACE) {
connection.updateAsync(getNamespace(), isOrdered(), (UpdateRequest) writeRequest, writeCallback);
} else {
connection.deleteAsync(getNamespace(), isOrdered(), (DeleteRequest) writeRequest, writeCallback);
}
} else {
callback.onResult(BulkWriteResult.unacknowledged(), null);
}
} catch (Throwable t) {
callback.onResult(null, t);
}
}
private BsonDocument executeCommand(final Connection connection, final BulkWriteBatch batch, final WriteBinding binding) {
return connection.command(namespace.getDatabaseName(), batch.getCommand(), NO_OP_FIELD_NAME_VALIDATOR,
null, batch.getDecoder(), binding.getSessionContext(), shouldAcknowledge(batch, writeConcern),
batch.getPayload(), batch.getFieldNameValidator());
}
private void executeCommandAsync(final AsyncWriteBinding binding, final AsyncConnection connection, final BulkWriteBatch batch,
final ConnectionReleasingWrappedCallback callback,
final SingleResultCallback commandCallback) {
try {
connection.commandAsync(namespace.getDatabaseName(), batch.getCommand(), NO_OP_FIELD_NAME_VALIDATOR,
null, batch.getDecoder(), binding.getSessionContext(), shouldAcknowledge(batch, writeConcern),
batch.getPayload(), batch.getFieldNameValidator(), commandCallback);
} catch (Throwable t) {
callback.onResult(null, t);
}
}
private boolean shouldAcknowledge(final BulkWriteBatch batch, final WriteConcern writeConcern) {
return ordered ? batch.hasAnotherBatch() || writeConcern.isAcknowledged() : writeConcern.isAcknowledged();
}
private SingleResultCallback getCommandCallback(final AsyncWriteBinding binding, final AsyncConnection connection,
final BulkWriteBatch batch, final boolean retryWrites,
final boolean isSecondAttempt,
final ConnectionReleasingWrappedCallback callback) {
return new SingleResultCallback() {
@Override
public void onResult(final BsonDocument result, final Throwable t) {
if (t != null) {
if (isSecondAttempt || !shouldAttemptToRetry(retryWrites, t)) {
if (t instanceof MongoWriteConcernWithResponseException) {
addBatchResult((BsonDocument) ((MongoWriteConcernWithResponseException) t).getResponse(), binding, connection,
batch, retryWrites, callback);
} else {
callback.onResult(null, t);
}
} else {
retryExecuteBatchesAsync(binding, batch, t, callback.releaseConnectionAndGetWrapped());
}
} else {
if (retryWrites && !isSecondAttempt) {
MongoException writeConcernBasedError = ProtocolHelper.createSpecialException(result,
connection.getDescription().getServerAddress(), "errMsg");
if (writeConcernBasedError != null && shouldAttemptToRetry(true, writeConcernBasedError)) {
retryExecuteBatchesAsync(binding, batch,
new MongoWriteConcernWithResponseException(writeConcernBasedError, result),
callback.releaseConnectionAndGetWrapped());
return;
}
}
addBatchResult(result, binding, connection, batch, retryWrites, callback);
}
}
};
}
private void addBatchResult(final BsonDocument result, final AsyncWriteBinding binding, final AsyncConnection connection,
final BulkWriteBatch batch, final boolean retryWrites,
final ConnectionReleasingWrappedCallback callback) {
batch.addResult(result);
BulkWriteBatch nextBatch = batch.getNextBatch();
if (nextBatch.shouldProcessBatch()) {
executeBatchesAsync(binding, connection, nextBatch, retryWrites, callback);
} else {
if (batch.hasErrors()) {
callback.onResult(null, batch.getError());
} else {
callback.onResult(batch.getResult(), null);
}
}
}
private void validateWriteRequestsAndReleaseConnectionIfError(final Connection connection) {
try {
validateWriteRequests(connection.getDescription(), bypassDocumentValidation, writeRequests, writeConcern);
} catch (IllegalArgumentException e) {
connection.release();
throw e;
} catch (MongoException e) {
connection.release();
throw e;
} catch (Throwable t) {
connection.release();
throw MongoException.fromThrowableNonNull(t);
}
}
}
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