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    1   package org.apache.lucene.queryParser.standard.config;
    2   
    3   /**
    4    * Licensed to the Apache Software Foundation (ASF) under one or more
    5    * contributor license agreements.  See the NOTICE file distributed with
    6    * this work for additional information regarding copyright ownership.
    7    * The ASF licenses this file to You under the Apache License, Version 2.0
    8    * (the "License"); you may not use this file except in compliance with
    9    * the License.  You may obtain a copy of the License at
   10    *
   11    *     http://www.apache.org/licenses/LICENSE-2.0
   12    *
   13    * Unless required by applicable law or agreed to in writing, software
   14    * distributed under the License is distributed on an "AS IS" BASIS,
   15    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   16    * See the License for the specific language governing permissions and
   17    * limitations under the License.
   18    */
   19   
   20   import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
   21   import org.apache.lucene.queryParser.standard.processors.PhraseSlopQueryNodeProcessor;
   22   import org.apache.lucene.search.FuzzyQuery;
   23   import org.apache.lucene.util.AttributeImpl;
   24   
   25   /**
   26    * This attribute is used by {@link PhraseSlopQueryNodeProcessor} processor and
   27    * must be defined in the {@link QueryConfigHandler}. This attribute tells the
   28    * processor what is the default phrase slop when no slop is defined in a
   29    * phrase. <br/>
   30    * 
   31    * @see org.apache.lucene.queryParser.standard.config.FuzzyAttribute
   32    */
   33   public class FuzzyAttributeImpl extends AttributeImpl 
   34   				implements FuzzyAttribute {
   35   
   36     private static final long serialVersionUID = -2104763012527049527L;
   37   
   38     private int prefixLength = FuzzyQuery.defaultPrefixLength;
   39   
   40     private float minSimilarity = FuzzyQuery.defaultMinSimilarity;
   41   
   42     public FuzzyAttributeImpl() {
   43       // empty constructor
   44     }
   45   
   46     public void setPrefixLength(int prefixLength) {
   47       this.prefixLength = prefixLength;
   48     }
   49   
   50     public int getPrefixLength() {
   51       return this.prefixLength;
   52     }
   53   
   54     public void setFuzzyMinSimilarity(float minSimilarity) {
   55       this.minSimilarity = minSimilarity;
   56     }
   57   
   58     public float getFuzzyMinSimilarity() {
   59       return this.minSimilarity;
   60     }
   61   
   62     @Override
   63     public void clear() {
   64       throw new UnsupportedOperationException();
   65     }
   66   
   67     @Override
   68     public void copyTo(AttributeImpl target) {
   69       throw new UnsupportedOperationException();
   70     }
   71   
   72     @Override
   73     public boolean equals(Object other) {
   74   
   75       if (other instanceof FuzzyAttributeImpl && other != null
   76           && ((FuzzyAttributeImpl) other).prefixLength == this.prefixLength) {
   77   
   78         return true;
   79   
   80       }
   81   
   82       return false;
   83   
   84     }
   85   
   86     @Override
   87     public int hashCode() {
   88       return Integer.valueOf(this.prefixLength).hashCode();
   89     }
   90   
   91     @Override
   92     public String toString() {
   93       return "<fuzzyAttribute prefixLength=" + this.prefixLength + "/>";
   94     }
   95   
   96   }

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