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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.bulk;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.RamUsageEstimator;
import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.CompositeIndicesRequest;
import org.elasticsearch.action.DocWriteRequest;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.support.ActiveShardCount;
import org.elasticsearch.action.support.WriteRequest;
import org.elasticsearch.action.support.replication.ReplicationRequest;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.core.Nullable;
import org.elasticsearch.core.RestApiVersion;
import org.elasticsearch.core.TimeValue;
import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
import org.elasticsearch.transport.RawIndexingDataTransportRequest;
import org.elasticsearch.xcontent.XContentType;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import static org.elasticsearch.action.ValidateActions.addValidationError;
/**
* A bulk request holds an ordered {@link IndexRequest}s, {@link DeleteRequest}s and {@link UpdateRequest}s
* and allows to executes it in a single batch.
*
* Note that we only support refresh on the bulk request not per item.
* @see org.elasticsearch.client.internal.Client#bulk(BulkRequest)
*/
public class BulkRequest extends ActionRequest
implements
CompositeIndicesRequest,
WriteRequest,
Accountable,
RawIndexingDataTransportRequest {
private static final long SHALLOW_SIZE = RamUsageEstimator.shallowSizeOfInstance(BulkRequest.class);
private static final int REQUEST_OVERHEAD = 50;
/**
* Requests that are part of this request. It is only possible to add things that are both {@link ActionRequest}s and
* {@link WriteRequest}s to this but java doesn't support syntax to declare that everything in the array has both types so we declare
* the one with the least casts.
*/
final List> requests = new ArrayList<>();
private final Set indices = new HashSet<>();
protected TimeValue timeout = BulkShardRequest.DEFAULT_TIMEOUT;
private ActiveShardCount waitForActiveShards = ActiveShardCount.DEFAULT;
private RefreshPolicy refreshPolicy = RefreshPolicy.NONE;
private String globalPipeline;
private String globalRouting;
private String globalIndex;
private Boolean globalRequireAlias;
private long sizeInBytes = 0;
public BulkRequest() {}
public BulkRequest(StreamInput in) throws IOException {
super(in);
waitForActiveShards = ActiveShardCount.readFrom(in);
requests.addAll(in.readList(i -> DocWriteRequest.readDocumentRequest(null, i)));
refreshPolicy = RefreshPolicy.readFrom(in);
timeout = in.readTimeValue();
}
public BulkRequest(@Nullable String globalIndex) {
this.globalIndex = globalIndex;
}
/**
* Adds a list of requests to be executed. Either index or delete requests.
*/
public BulkRequest add(DocWriteRequest... requests) {
for (DocWriteRequest request : requests) {
add(request);
}
return this;
}
/**
* Add a request to the current BulkRequest.
*
* Note for internal callers: This method does not respect all global parameters.
* Only the global index is applied to the request objects.
* Global parameters would be respected if the request was serialized for a REST call as it is
* in the high level rest client.
* @param request Request to add
* @return the current bulk request
*/
public BulkRequest add(DocWriteRequest request) {
if (request instanceof IndexRequest indexRequest) {
add(indexRequest);
} else if (request instanceof DeleteRequest deleteRequest) {
add(deleteRequest);
} else if (request instanceof UpdateRequest updateRequest) {
add(updateRequest);
} else {
throw new IllegalArgumentException("No support for request [" + request + "]");
}
indices.add(request.index());
return this;
}
/**
* Adds a list of requests to be executed. Either index or delete requests.
*/
public BulkRequest add(Iterable> requests) {
for (DocWriteRequest request : requests) {
add(request);
}
return this;
}
/**
* Adds an {@link IndexRequest} to the list of actions to execute. Follows the same behavior of {@link IndexRequest}
* (for example, if no id is provided, one will be generated, or usage of the create flag).
*/
public BulkRequest add(IndexRequest request) {
return internalAdd(request);
}
BulkRequest internalAdd(IndexRequest request) {
Objects.requireNonNull(request, "'request' must not be null");
applyGlobalMandatoryParameters(request);
requests.add(request);
// lack of source is validated in validate() method
sizeInBytes += (request.source() != null ? request.source().length() : 0) + REQUEST_OVERHEAD;
indices.add(request.index());
return this;
}
/**
* Adds an {@link UpdateRequest} to the list of actions to execute.
*/
public BulkRequest add(UpdateRequest request) {
return internalAdd(request);
}
BulkRequest internalAdd(UpdateRequest request) {
Objects.requireNonNull(request, "'request' must not be null");
applyGlobalMandatoryParameters(request);
requests.add(request);
if (request.doc() != null) {
sizeInBytes += request.doc().source().length();
}
if (request.upsertRequest() != null) {
sizeInBytes += request.upsertRequest().source().length();
}
if (request.script() != null) {
sizeInBytes += request.script().getIdOrCode().length() * 2;
}
indices.add(request.index());
return this;
}
/**
* Adds an {@link DeleteRequest} to the list of actions to execute.
*/
public BulkRequest add(DeleteRequest request) {
Objects.requireNonNull(request, "'request' must not be null");
applyGlobalMandatoryParameters(request);
requests.add(request);
sizeInBytes += REQUEST_OVERHEAD;
indices.add(request.index());
return this;
}
/**
* The list of requests in this bulk request.
*/
public List> requests() {
return this.requests;
}
/**
* The number of actions in the bulk request.
*/
public int numberOfActions() {
return requests.size();
}
/**
* The estimated size in bytes of the bulk request.
*/
public long estimatedSizeInBytes() {
return sizeInBytes;
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(byte[] data, int from, int length, XContentType xContentType) throws IOException {
return add(data, from, length, null, xContentType);
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(byte[] data, int from, int length, @Nullable String defaultIndex, XContentType xContentType) throws IOException {
return add(new BytesArray(data, from, length), defaultIndex, xContentType);
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(BytesReference data, @Nullable String defaultIndex, XContentType xContentType) throws IOException {
return add(data, defaultIndex, null, null, null, null, true, xContentType, RestApiVersion.current());
}
/**
* Adds a framed data in binary format
*/
public BulkRequest add(BytesReference data, @Nullable String defaultIndex, boolean allowExplicitIndex, XContentType xContentType)
throws IOException {
return add(data, defaultIndex, null, null, null, null, allowExplicitIndex, xContentType, RestApiVersion.current());
}
public BulkRequest add(
BytesReference data,
@Nullable String defaultIndex,
@Nullable String defaultRouting,
@Nullable FetchSourceContext defaultFetchSourceContext,
@Nullable String defaultPipeline,
@Nullable Boolean defaultRequireAlias,
boolean allowExplicitIndex,
XContentType xContentType,
RestApiVersion restApiVersion
) throws IOException {
String routing = valueOrDefault(defaultRouting, globalRouting);
String pipeline = valueOrDefault(defaultPipeline, globalPipeline);
Boolean requireAlias = valueOrDefault(defaultRequireAlias, globalRequireAlias);
new BulkRequestParser(true, restApiVersion).parse(
data,
defaultIndex,
routing,
defaultFetchSourceContext,
pipeline,
requireAlias,
allowExplicitIndex,
xContentType,
(indexRequest, type) -> internalAdd(indexRequest),
this::internalAdd,
this::add
);
return this;
}
/**
* Sets the number of shard copies that must be active before proceeding with the write.
* See {@link ReplicationRequest#waitForActiveShards(ActiveShardCount)} for details.
*/
public BulkRequest waitForActiveShards(ActiveShardCount waitForActiveShards) {
this.waitForActiveShards = waitForActiveShards;
return this;
}
/**
* A shortcut for {@link #waitForActiveShards(ActiveShardCount)} where the numerical
* shard count is passed in, instead of having to first call {@link ActiveShardCount#from(int)}
* to get the ActiveShardCount.
*/
public BulkRequest waitForActiveShards(final int waitForActiveShards) {
return waitForActiveShards(ActiveShardCount.from(waitForActiveShards));
}
public ActiveShardCount waitForActiveShards() {
return this.waitForActiveShards;
}
@Override
public BulkRequest setRefreshPolicy(RefreshPolicy refreshPolicy) {
this.refreshPolicy = refreshPolicy;
return this;
}
@Override
public RefreshPolicy getRefreshPolicy() {
return refreshPolicy;
}
/**
* A timeout to wait if the index operation can't be performed immediately. Defaults to {@code 1m}.
*/
public final BulkRequest timeout(TimeValue timeout) {
this.timeout = timeout;
return this;
}
/**
* Note for internal callers (NOT high level rest client),
* the global parameter setting is ignored when used with:
*
* - {@link BulkRequest#add(IndexRequest)}
* - {@link BulkRequest#add(UpdateRequest)}
* - {@link BulkRequest#add(DocWriteRequest)}
* - {@link BulkRequest#add(DocWriteRequest[])} )}
* - {@link BulkRequest#add(Iterable)}
* @param globalPipeline the global default setting
* @return Bulk request with global setting set
*/
public final BulkRequest pipeline(String globalPipeline) {
this.globalPipeline = globalPipeline;
return this;
}
/**
* Note for internal callers (NOT high level rest client),
* the global parameter setting is ignored when used with:
*
- {@link BulkRequest#add(IndexRequest)}
- {@link BulkRequest#add(UpdateRequest)}
- {@link BulkRequest#add(DocWriteRequest)}
- {@link BulkRequest#add(DocWriteRequest[])} )}
- {@link BulkRequest#add(Iterable)}
* @param globalRouting the global default setting
* @return Bulk request with global setting set
*/
public final BulkRequest routing(String globalRouting) {
this.globalRouting = globalRouting;
return this;
}
/**
* A timeout to wait if the index operation can't be performed immediately. Defaults to {@code 1m}.
*/
public final BulkRequest timeout(String timeout) {
return timeout(TimeValue.parseTimeValue(timeout, null, getClass().getSimpleName() + ".timeout"));
}
public TimeValue timeout() {
return timeout;
}
public String pipeline() {
return globalPipeline;
}
public String routing() {
return globalRouting;
}
public Boolean requireAlias() {
return globalRequireAlias;
}
/**
* Note for internal callers (NOT high level rest client),
* the global parameter setting is ignored when used with:
*
* - {@link BulkRequest#add(IndexRequest)}
* - {@link BulkRequest#add(UpdateRequest)}
* - {@link BulkRequest#add(DocWriteRequest)}
* - {@link BulkRequest#add(DocWriteRequest[])} )}
* - {@link BulkRequest#add(Iterable)}
* @param globalRequireAlias the global default setting
* @return Bulk request with global setting set
*/
public BulkRequest requireAlias(Boolean globalRequireAlias) {
this.globalRequireAlias = globalRequireAlias;
return this;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (requests.isEmpty()) {
validationException = addValidationError("no requests added", validationException);
}
for (DocWriteRequest request : requests) {
// We first check if refresh has been set
if (((WriteRequest) request).getRefreshPolicy() != RefreshPolicy.NONE) {
validationException = addValidationError(
"RefreshPolicy is not supported on an item request. Set it on the BulkRequest instead.",
validationException
);
}
ActionRequestValidationException ex = ((WriteRequest) request).validate();
if (ex != null) {
if (validationException == null) {
validationException = new ActionRequestValidationException();
}
validationException.addValidationErrors(ex.validationErrors());
}
}
return validationException;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
waitForActiveShards.writeTo(out);
out.writeCollection(requests, DocWriteRequest::writeDocumentRequest);
refreshPolicy.writeTo(out);
out.writeTimeValue(timeout);
}
@Override
public String getDescription() {
return "requests[" + requests.size() + "], indices[" + Strings.collectionToDelimitedString(indices, ", ") + "]";
}
private void applyGlobalMandatoryParameters(DocWriteRequest request) {
request.index(valueOrDefault(request.index(), globalIndex));
}
private static String valueOrDefault(String value, String globalDefault) {
if (Strings.isNullOrEmpty(value) && Strings.isNullOrEmpty(globalDefault) == false) {
return globalDefault;
}
return value;
}
private static Boolean valueOrDefault(Boolean value, Boolean globalDefault) {
if (Objects.isNull(value) && Objects.isNull(globalDefault) == false) {
return globalDefault;
}
return value;
}
@Override
public long ramBytesUsed() {
return SHALLOW_SIZE + requests.stream().mapToLong(Accountable::ramBytesUsed).sum();
}
public Set getIndices() {
return Collections.unmodifiableSet(indices);
}
}
