1
package org.apache.lucene.queryParser.standard.config;
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
11
* http://www.apache.org/licenses/LICENSE-2.0
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.
20
import org.apache.lucene.queryParser.core.config.AbstractQueryConfig;
21
import org.apache.lucene.queryParser.core.config.ConfigAttribute;
22
import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
23
import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
24
import org.apache.lucene.queryParser.standard.processors.PhraseSlopQueryNodeProcessor;
25
import org.apache.lucene.util.AttributeImpl;
28
* This attribute is used by {@link PhraseSlopQueryNodeProcessor} processor and
29
* must be defined in the {@link QueryConfigHandler}. This attribute tells the
30
* processor what is the default phrase slop when no slop is defined in a
33
* @see org.apache.lucene.queryParser.standard.config.FuzzyAttribute
39
public class FuzzyAttributeImpl extends AttributeImpl implements
40
FuzzyAttribute, ConfigAttribute {
42
private static final long serialVersionUID = -2104763012527049527L;
44
private AbstractQueryConfig config;
47
enableBackwards = false;
50
public FuzzyAttributeImpl() {
54
public void setPrefixLength(int prefixLength) {
55
getFuzzyConfig().setPrefixLength(prefixLength);
58
public int getPrefixLength() {
59
return getFuzzyConfig().getPrefixLength();
62
public void setFuzzyMinSimilarity(float minSimilarity) {
63
getFuzzyConfig().setMinSimilarity(minSimilarity);
66
private FuzzyConfig getFuzzyConfig() {
67
FuzzyConfig fuzzyConfig = config.get(ConfigurationKeys.FUZZY_CONFIG);
69
if (fuzzyConfig == null) {
70
fuzzyConfig = new FuzzyConfig();
71
config.set(ConfigurationKeys.FUZZY_CONFIG, fuzzyConfig);
78
public float getFuzzyMinSimilarity() {
79
return getFuzzyConfig().getMinSimilarity();
84
throw new UnsupportedOperationException();
88
public void copyTo(AttributeImpl target) {
89
throw new UnsupportedOperationException();
93
public boolean equals(Object other) {
95
if (other instanceof FuzzyAttributeImpl
96
&& ((FuzzyAttributeImpl) other).getPrefixLength() == getPrefixLength()) {
107
public int hashCode() {
108
return Integer.valueOf(getPrefixLength()).hashCode();
112
public String toString() {
113
FuzzyConfig fuzzyConfig = getFuzzyConfig();
114
return "<fuzzyAttribute prefixLength=" + fuzzyConfig.getPrefixLength()
115
+ ",minSimilarity=" + fuzzyConfig.getMinSimilarity() + "/>";
118
public void setQueryConfigHandler(AbstractQueryConfig config) {
119
this.config = config;
121
if (!config.has(ConfigurationKeys.FUZZY_CONFIG)) {
122
config.set(ConfigurationKeys.FUZZY_CONFIG, new FuzzyConfig());