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
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20 import java.util.Arrays;
22 import org.apache.lucene.queryParser.core.config.AbstractQueryConfig;
23 import org.apache.lucene.queryParser.core.config.ConfigAttribute;
24 import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
25 import org.apache.lucene.queryParser.standard.config.StandardQueryConfigHandler.ConfigurationKeys;
26 import org.apache.lucene.queryParser.standard.processors.MultiFieldQueryNodeProcessor;
27 import org.apache.lucene.util.AttributeImpl;
30 * This attribute is used by {@link MultiFieldQueryNodeProcessor} processor and
31 * must be defined in the {@link QueryConfigHandler}. This attribute tells the
32 * processor to which fields the terms in the query should be expanded. <br/>
34 * @see org.apache.lucene.queryParser.standard.config.MultiFieldAttribute
40 public class MultiFieldAttributeImpl extends AttributeImpl
41 implements MultiFieldAttribute, ConfigAttribute {
43 private static final long serialVersionUID = -6809760312720049526L;
45 private AbstractQueryConfig config;
47 { enableBackwards = false; }
49 public MultiFieldAttributeImpl() {
53 public void setFields(CharSequence[] fields) {
54 config.set(ConfigurationKeys.MULTI_FIELDS, fields);
57 public CharSequence[] getFields() {
58 return config.get(ConfigurationKeys.MULTI_FIELDS);
63 throw new UnsupportedOperationException();
67 public void copyTo(AttributeImpl target) {
68 throw new UnsupportedOperationException();
72 public boolean equals(Object other) {
74 if (other instanceof MultiFieldAttributeImpl) {
75 MultiFieldAttributeImpl fieldsAttr = (MultiFieldAttributeImpl) other;
77 return Arrays.equals(getFields(), fieldsAttr.getFields());
86 public int hashCode() {
87 return Arrays.hashCode(getFields());
91 public String toString() {
92 return "<fieldsAttribute fields=" + Arrays.toString(getFields()) + "/>";
95 public void setQueryConfigHandler(AbstractQueryConfig config) {