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98 lines
3.1 KiB
Java
98 lines
3.1 KiB
Java
/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.search.dfs;
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import gnu.trove.impl.Constants;
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import gnu.trove.iterator.TObjectIntIterator;
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import gnu.trove.map.TMap;
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import gnu.trove.map.hash.TObjectIntHashMap;
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import org.apache.lucene.index.Term;
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import org.apache.lucene.search.TermStatistics;
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import org.elasticsearch.common.io.stream.StreamInput;
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import org.elasticsearch.common.io.stream.StreamOutput;
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import org.elasticsearch.common.io.stream.Streamable;
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import org.elasticsearch.common.trove.ExtTHashMap;
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import org.elasticsearch.common.trove.ExtTObjectIntHasMap;
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import java.io.IOException;
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import java.util.Map;
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/**
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*
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*/
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public class AggregatedDfs implements Streamable {
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private TMap<Term, TermStatistics> dfMap;
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private long maxDoc;
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private AggregatedDfs() {
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}
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public AggregatedDfs(TMap<Term, TermStatistics> dfMap, long maxDoc) {
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this.dfMap = dfMap;
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this.maxDoc = maxDoc;
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}
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public TMap<Term, TermStatistics> dfMap() {
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return dfMap;
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}
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public long maxDoc() {
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return maxDoc;
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}
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public static AggregatedDfs readAggregatedDfs(StreamInput in) throws IOException {
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AggregatedDfs result = new AggregatedDfs();
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result.readFrom(in);
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return result;
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}
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@Override
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public void readFrom(StreamInput in) throws IOException {
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int size = in.readVInt();
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dfMap = new ExtTHashMap<Term, TermStatistics>(size, Constants.DEFAULT_LOAD_FACTOR);
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for (int i = 0; i < size; i++) {
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Term term = new Term(in.readString(), in.readBytesRef());
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TermStatistics stats = new TermStatistics(in.readBytesRef(), in.readVLong(), in.readVLong());
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dfMap.put(term, stats);
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}
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maxDoc = in.readVLong();
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}
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@Override
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public void writeTo(final StreamOutput out) throws IOException {
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out.writeVInt(dfMap.size());
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for (Map.Entry<Term, TermStatistics> termTermStatisticsEntry : dfMap.entrySet()) {
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Term term = termTermStatisticsEntry.getKey();
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out.writeString(term.field());
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out.writeBytesRef(term.bytes());
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TermStatistics stats = termTermStatisticsEntry.getValue();
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out.writeBytesRef(stats.term());
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out.writeVLong(stats.docFreq());
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out.writeVLong(stats.totalTermFreq());
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}
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out.writeVLong(maxDoc);
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}
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}
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