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.analysis.Analyzer;
21
import org.apache.lucene.queryParser.core.config.AbstractQueryConfig;
22
import org.apache.lucene.queryParser.core.config.ConfigAttribute;
23
import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
24
import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
25
import org.apache.lucene.queryParser.standard.processors.AnalyzerQueryNodeProcessor;
26
import org.apache.lucene.util.AttributeImpl;
29
* This attribute is used by {@link AnalyzerQueryNodeProcessor} processor and
30
* must be defined in the {@link QueryConfigHandler}. It provides to this
31
* processor the {@link Analyzer}, if there is one, which will be used to
32
* analyze the query terms. <br/>
34
* @see org.apache.lucene.queryParser.standard.config.AnalyzerAttribute
40
public class AnalyzerAttributeImpl extends AttributeImpl
41
implements AnalyzerAttribute, ConfigAttribute {
43
private static final long serialVersionUID = -6804760312723049526L;
45
private AbstractQueryConfig config;
47
{ enableBackwards = false; }
49
public AnalyzerAttributeImpl() {}
51
public void setAnalyzer(Analyzer analyzer) {
52
config.set(ConfigurationKeys.ANALYZER, analyzer);
55
public Analyzer getAnalyzer() {
56
return config.get(ConfigurationKeys.ANALYZER);
61
throw new UnsupportedOperationException();
65
public void copyTo(AttributeImpl target) {
66
throw new UnsupportedOperationException();
70
public boolean equals(Object other) {
72
if (other instanceof AnalyzerAttributeImpl) {
73
AnalyzerAttributeImpl analyzerAttr = (AnalyzerAttributeImpl) other;
74
Analyzer otherAnalyzer = analyzerAttr.getAnalyzer();
75
Analyzer thisAnalyzer = getAnalyzer();
77
if (otherAnalyzer == thisAnalyzer
78
|| (thisAnalyzer != null && otherAnalyzer != null && thisAnalyzer
79
.equals(otherAnalyzer))) {
92
public int hashCode() {
93
Analyzer analyzer = getAnalyzer();
94
return (analyzer == null) ? 0 : analyzer.hashCode();
97
public void setQueryConfigHandler(AbstractQueryConfig config) {
102
public String toString() {
103
return "<analyzerAttribute analyzer='" + getAnalyzer() + "'/>";