pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / queries / src / java / org / apache / lucene / search / similar / MoreLikeThisQuery.java

diff --git a/lucene-java-3.4.0/lucene/contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThisQuery.java b/lucene-java-3.4.0/lucene/contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThisQuery.java
deleted file mode 100644 (file)
index 7499f5b..0000000
--- a/lucene-java-3.4.0/lucene/contrib/queries/src/java/org/apache/lucene/search/similar/MoreLikeThisQuery.java
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Created on 25-Jan-2006
- */
-package org.apache.lucene.search.similar;
-
-/**
- * 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.
- */
-
-import java.io.IOException;
-import java.util.Set;
-
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.search.BooleanClause;
-import org.apache.lucene.search.BooleanQuery;
-import org.apache.lucene.search.Query;
-import org.apache.lucene.search.similar.MoreLikeThis;
-
-import java.io.StringReader;
-
-/**
- * A simple wrapper for MoreLikeThis for use in scenarios where a Query object
- * is required eg in custom QueryParser extensions. At query.rewrite() time the
- * reader is used to construct the actual MoreLikeThis object and obtain the
- * real Query object.
- */
-public class MoreLikeThisQuery extends Query {
-  
-  private String likeText;
-  private String[] moreLikeFields;
-  private Analyzer analyzer;
-  private String fieldName;
-  private float percentTermsToMatch = 0.3f;
-  private int minTermFrequency = 1;
-  private int maxQueryTerms = 5;
-  private Set<?> stopWords = null;
-  private int minDocFreq = -1;
-
-  /** @deprecated use {@link #MoreLikeThisQuery(String, String[], Analyzer, String)} instead. */
-  @Deprecated
-  public MoreLikeThisQuery(String likeText, String[] moreLikeFields, Analyzer analyzer) {
-    this(likeText, moreLikeFields, analyzer, moreLikeFields[0]);
-  }
-
-  /**
-   * @param moreLikeFields
-   */
-  public MoreLikeThisQuery(String likeText, String[] moreLikeFields, Analyzer analyzer, String fieldName) {
-    this.likeText = likeText;
-    this.moreLikeFields = moreLikeFields;
-    this.analyzer = analyzer;
-    this.fieldName = fieldName;
-  }
-  
-  @Override
-  public Query rewrite(IndexReader reader) throws IOException {
-    MoreLikeThis mlt = new MoreLikeThis(reader);
-    
-    mlt.setFieldNames(moreLikeFields);
-    mlt.setAnalyzer(analyzer);
-    mlt.setMinTermFreq(minTermFrequency);
-    if (minDocFreq >= 0) {
-      mlt.setMinDocFreq(minDocFreq);
-    }
-    mlt.setMaxQueryTerms(maxQueryTerms);
-    mlt.setStopWords(stopWords);
-    BooleanQuery bq = (BooleanQuery) mlt.like(new StringReader(likeText), fieldName);
-    BooleanClause[] clauses = bq.getClauses();
-    // make at least half the terms match
-    bq.setMinimumNumberShouldMatch((int) (clauses.length * percentTermsToMatch));
-    return bq;
-  }
-  
-  /*
-   * (non-Javadoc)
-   * 
-   * @see org.apache.lucene.search.Query#toString(java.lang.String)
-   */
-  @Override
-  public String toString(String field) {
-    return "like:" + likeText;
-  }
-  
-  public float getPercentTermsToMatch() {
-    return percentTermsToMatch;
-  }
-  
-  public void setPercentTermsToMatch(float percentTermsToMatch) {
-    this.percentTermsToMatch = percentTermsToMatch;
-  }
-  
-  public Analyzer getAnalyzer() {
-    return analyzer;
-  }
-  
-  public void setAnalyzer(Analyzer analyzer) {
-    this.analyzer = analyzer;
-  }
-  
-  public String getLikeText() {
-    return likeText;
-  }
-  
-  public void setLikeText(String likeText) {
-    this.likeText = likeText;
-  }
-  
-  public int getMaxQueryTerms() {
-    return maxQueryTerms;
-  }
-  
-  public void setMaxQueryTerms(int maxQueryTerms) {
-    this.maxQueryTerms = maxQueryTerms;
-  }
-  
-  public int getMinTermFrequency() {
-    return minTermFrequency;
-  }
-  
-  public void setMinTermFrequency(int minTermFrequency) {
-    this.minTermFrequency = minTermFrequency;
-  }
-  
-  public String[] getMoreLikeFields() {
-    return moreLikeFields;
-  }
-  
-  public void setMoreLikeFields(String[] moreLikeFields) {
-    this.moreLikeFields = moreLikeFields;
-  }
-  
-  public Set<?> getStopWords() {
-    return stopWords;
-  }
-  
-  public void setStopWords(Set<?> stopWords) {
-    this.stopWords = stopWords;
-  }
-  
-  public int getMinDocFreq() {
-    return minDocFreq;
-  }
-  
-  public void setMinDocFreq(int minDocFreq) {
-    this.minDocFreq = minDocFreq;
-  }
-}