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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.aggregations.bucket.adjacency;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.aggregations.ParsedMultiBucketAggregation;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ParsedAdjacencyMatrix extends ParsedMultiBucketAggregation<ParsedAdjacencyMatrix.ParsedBucket> implements AdjacencyMatrix {
private Map<String, ParsedBucket> bucketMap;
@Override
public String getType() {
return AdjacencyMatrixAggregationBuilder.NAME;
}
@Override
public List<? extends AdjacencyMatrix.Bucket> getBuckets() {
return buckets;
}
@Override
public ParsedBucket getBucketByKey(String key) {
if (bucketMap == null) {
bucketMap = new HashMap<>(buckets.size());
for (ParsedBucket bucket : buckets) {
bucketMap.put(bucket.getKey(), bucket);
}
}
return bucketMap.get(key);
}
private static ObjectParser<ParsedAdjacencyMatrix, Void> PARSER =
new ObjectParser<>(ParsedAdjacencyMatrix.class.getSimpleName(), true, ParsedAdjacencyMatrix::new);
static {
declareMultiBucketAggregationFields(PARSER,
parser -> ParsedBucket.fromXContent(parser),
parser -> ParsedBucket.fromXContent(parser));
}
public static ParsedAdjacencyMatrix fromXContent(XContentParser parser, String name) throws IOException {
ParsedAdjacencyMatrix aggregation = PARSER.parse(parser, null);
aggregation.setName(name);
return aggregation;
}
public static class ParsedBucket extends ParsedMultiBucketAggregation.ParsedBucket implements AdjacencyMatrix.Bucket {
private String key;
@Override
public String getKey() {
return key;
}
@Override
public String getKeyAsString() {
return key;
}
static ParsedBucket fromXContent(XContentParser parser) throws IOException {
return parseXContent(parser, false, ParsedBucket::new, (p, bucket) -> bucket.key = p.text());
}
}
}
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