org.elasticsearch.search.profile.SearchProfileShardResults Maven / Gradle / Ivy
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Elasticsearch subproject :server
package org.elasticsearch.search.profile;
/*
* 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.
*/
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.search.profile.aggregation.AggregationProfileShardResult;
import org.elasticsearch.search.profile.aggregation.AggregationProfiler;
import org.elasticsearch.search.profile.query.QueryProfileShardResult;
import org.elasticsearch.search.profile.query.QueryProfiler;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A container class to hold all the profile results across all shards. Internally
* holds a map of shard ID -> Profiled results
*/
public final class SearchProfileShardResults implements Writeable, ToXContent{
private Map shardResults;
public SearchProfileShardResults(Map shardResults) {
this.shardResults = Collections.unmodifiableMap(shardResults);
}
public SearchProfileShardResults(StreamInput in) throws IOException {
int size = in.readInt();
shardResults = new HashMap<>(size);
for (int i = 0; i < size; i++) {
String key = in.readString();
ProfileShardResult shardResult = new ProfileShardResult(in);
shardResults.put(key, shardResult);
}
shardResults = Collections.unmodifiableMap(shardResults);
}
public Map getShardResults() {
return this.shardResults;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeInt(shardResults.size());
for (Map.Entry entry : shardResults.entrySet()) {
out.writeString(entry.getKey());
entry.getValue().writeTo(out);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject("profile").startArray("shards");
for (Map.Entry entry : shardResults.entrySet()) {
builder.startObject();
builder.field("id", entry.getKey());
builder.startArray("searches");
for (QueryProfileShardResult result : entry.getValue().getQueryProfileResults()) {
builder.startObject();
result.toXContent(builder, params);
builder.endObject();
}
builder.endArray();
entry.getValue().getAggregationProfileResults().toXContent(builder, params);
builder.endObject();
}
builder.endArray().endObject();
return builder;
}
/**
* Helper method to convert Profiler into InternalProfileShardResults, which
* can be serialized to other nodes, emitted as JSON, etc.
*
* @param profilers
* The {@link Profilers} to convert into results
* @return A {@link ProfileShardResult} representing the results for this
* shard
*/
public static ProfileShardResult buildShardResults(Profilers profilers) {
List queryProfilers = profilers.getQueryProfilers();
AggregationProfiler aggProfiler = profilers.getAggregationProfiler();
List queryResults = new ArrayList<>(queryProfilers.size());
for (QueryProfiler queryProfiler : queryProfilers) {
QueryProfileShardResult result = new QueryProfileShardResult(queryProfiler.getTree(), queryProfiler.getRewriteTime(),
queryProfiler.getCollector());
queryResults.add(result);
}
AggregationProfileShardResult aggResults = new AggregationProfileShardResult(aggProfiler.getTree());
return new ProfileShardResult(queryResults, aggResults);
}
}