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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.profile.aggregation;
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.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.profile.ProfileResult;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpectedToken;
/**
* A container class to hold the profile results for a single shard in the request.
* Contains a list of query profiles, a collector tree and a total rewrite tree.
*/
public final class AggregationProfileShardResult implements Writeable, ToXContentFragment {
public static final String AGGREGATIONS = "aggregations";
private final List aggProfileResults;
public AggregationProfileShardResult(List aggProfileResults) {
this.aggProfileResults = aggProfileResults;
}
/**
* Read from a stream.
*/
public AggregationProfileShardResult(StreamInput in) throws IOException {
int profileSize = in.readVInt();
aggProfileResults = new ArrayList<>(profileSize);
for (int j = 0; j < profileSize; j++) {
aggProfileResults.add(new ProfileResult(in));
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVInt(aggProfileResults.size());
for (ProfileResult p : aggProfileResults) {
p.writeTo(out);
}
}
public List getProfileResults() {
return Collections.unmodifiableList(aggProfileResults);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startArray(AGGREGATIONS);
for (ProfileResult p : aggProfileResults) {
p.toXContent(builder, params);
}
builder.endArray();
return builder;
}
public static AggregationProfileShardResult fromXContent(XContentParser parser) throws IOException {
XContentParser.Token token = parser.currentToken();
ensureExpectedToken(XContentParser.Token.START_ARRAY, token, parser::getTokenLocation);
List aggProfileResults = new ArrayList<>();
while((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
aggProfileResults.add(ProfileResult.fromXContent(parser));
}
return new AggregationProfileShardResult(aggProfileResults);
}
}