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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.search.internal;
import org.elasticsearch.action.IndicesRequest;
import org.elasticsearch.action.OriginalIndices;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchTask;
import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryShardContext;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.search.Scroll;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.tasks.TaskId;
import org.elasticsearch.transport.TransportRequest;
import java.io.IOException;
/**
* Shard level search request that represents an actual search sent from the coordinating node to the nodes holding
* the shards where the query needs to be executed. Holds the same info as {@link org.elasticsearch.search.internal.ShardSearchLocalRequest}
* but gets sent over the transport and holds also the indices coming from the original request that generated it, plus its headers and context.
*/
public class ShardSearchTransportRequest extends TransportRequest implements ShardSearchRequest, IndicesRequest {
private OriginalIndices originalIndices;
private ShardSearchLocalRequest shardSearchLocalRequest;
public ShardSearchTransportRequest(){
}
public ShardSearchTransportRequest(SearchRequest searchRequest, ShardId shardId, int numberOfShards,
AliasFilter aliasFilter, long nowInMillis) {
this.shardSearchLocalRequest = new ShardSearchLocalRequest(searchRequest, shardId, numberOfShards, aliasFilter, nowInMillis);
this.originalIndices = new OriginalIndices(searchRequest);
}
@Override
public String[] indices() {
if (originalIndices == null) {
return null;
}
return originalIndices.indices();
}
@Override
public IndicesOptions indicesOptions() {
if (originalIndices == null) {
return null;
}
return originalIndices.indicesOptions();
}
@Override
public ShardId shardId() {
return shardSearchLocalRequest.shardId();
}
@Override
public String[] types() {
return shardSearchLocalRequest.types();
}
@Override
public SearchSourceBuilder source() {
return shardSearchLocalRequest.source();
}
@Override
public void source(SearchSourceBuilder source) {
shardSearchLocalRequest.source(source);
}
@Override
public int numberOfShards() {
return shardSearchLocalRequest.numberOfShards();
}
@Override
public SearchType searchType() {
return shardSearchLocalRequest.searchType();
}
@Override
public QueryBuilder filteringAliases() {
return shardSearchLocalRequest.filteringAliases();
}
@Override
public long nowInMillis() {
return shardSearchLocalRequest.nowInMillis();
}
@Override
public Boolean requestCache() {
return shardSearchLocalRequest.requestCache();
}
@Override
public Scroll scroll() {
return shardSearchLocalRequest.scroll();
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
shardSearchLocalRequest = new ShardSearchLocalRequest();
shardSearchLocalRequest.innerReadFrom(in);
originalIndices = OriginalIndices.readOriginalIndices(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
shardSearchLocalRequest.innerWriteTo(out, false);
OriginalIndices.writeOriginalIndices(originalIndices, out);
}
@Override
public BytesReference cacheKey() throws IOException {
return shardSearchLocalRequest.cacheKey();
}
@Override
public void setProfile(boolean profile) {
shardSearchLocalRequest.setProfile(profile);
}
@Override
public boolean isProfile() {
return shardSearchLocalRequest.isProfile();
}
@Override
public void rewrite(QueryShardContext context) throws IOException {
shardSearchLocalRequest.rewrite(context);
}
@Override
public Task createTask(long id, String type, String action, TaskId parentTaskId) {
return new SearchTask(id, type, action, getDescription(), parentTaskId);
}
@Override
public String getDescription() {
// Shard id is enough here, the request itself can be found by looking at the parent task description
return "shardId[" + shardSearchLocalRequest.shardId() + "]";
}
}
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