org.elasticsearch.search.dfs.AggregatedDfs Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.dfs;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.CollectionStatistics;
import org.apache.lucene.search.TermStatistics;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class AggregatedDfs implements Writeable {
private Map termStatistics;
private Map fieldStatistics;
private long maxDoc;
public AggregatedDfs(StreamInput in) throws IOException {
int size = in.readVInt();
termStatistics = new HashMap<>(size);
for (int i = 0; i < size; i++) {
Term term = new Term(in.readString(), in.readBytesRef());
TermStatistics stats = new TermStatistics(in.readBytesRef(), in.readVLong(), DfsSearchResult.subOne(in.readVLong()));
termStatistics.put(term, stats);
}
fieldStatistics = DfsSearchResult.readFieldStats(in);
maxDoc = in.readVLong();
}
public AggregatedDfs(Map termStatistics, Map fieldStatistics, long maxDoc) {
this.termStatistics = termStatistics;
this.fieldStatistics = fieldStatistics;
this.maxDoc = maxDoc;
}
public Map termStatistics() {
return termStatistics;
}
public Map fieldStatistics() {
return fieldStatistics;
}
public long maxDoc() {
return maxDoc;
}
@Override
public void writeTo(final StreamOutput out) throws IOException {
out.writeMap(termStatistics, (o, k) -> {
o.writeString(k.field());
o.writeBytesRef(k.bytes());
}, (o, v) -> {
o.writeBytesRef(v.term());
o.writeVLong(v.docFreq());
o.writeVLong(DfsSearchResult.addOne(v.totalTermFreq()));
});
DfsSearchResult.writeFieldStats(out, fieldStatistics);
out.writeVLong(maxDoc);
}
}