| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.solr.search.stats; |
| |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.TermStatistics; |
| |
| /** |
| * Modifiable version of {@link TermStatistics} useful for aggregation of |
| * per-shard stats. |
| */ |
| public class TermStats { |
| final public String term; |
| public long docFreq; |
| public long totalTermFreq; |
| private final Term t; |
| |
| public TermStats(String term) { |
| this.term = term; |
| t = makeTerm(term); |
| } |
| |
| private Term makeTerm(String s) { |
| int idx = s.indexOf(':'); |
| if (idx == -1) { |
| return null; |
| } |
| return new Term(s.substring(0, idx), s.substring(idx + 1)); |
| } |
| |
| public TermStats(String term, long docFreq, long totalTermFreq) { |
| this(term); |
| this.docFreq = docFreq; |
| this.totalTermFreq = totalTermFreq; |
| } |
| |
| public TermStats(String field, TermStatistics stats) { |
| this.term = field + ":" + stats.term().utf8ToString(); |
| this.t = new Term(field, stats.term()); |
| this.docFreq = stats.docFreq(); |
| this.totalTermFreq = stats.totalTermFreq(); |
| } |
| |
| public void add(TermStats stats) { |
| this.docFreq += stats.docFreq; |
| this.totalTermFreq += stats.totalTermFreq; |
| } |
| |
| public TermStatistics toTermStatistics() { |
| if (docFreq == 0) { |
| return null; |
| } |
| return new TermStatistics(t.bytes(), docFreq, totalTermFreq); |
| } |
| |
| public String toString() { |
| return StatsUtil.termStatsToString(this, false); |
| } |
| } |