org.elasticsearch.search.aggregations.bucket.adjacency.ParsedAdjacencyMatrix Maven / Gradle / Ivy
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* 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
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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 implements AdjacencyMatrix {
private Map bucketMap;
@Override
public String getType() {
return AdjacencyMatrixAggregationBuilder.NAME;
}
@Override
public List 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 final ObjectParser 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());
}
}
}