lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/config/LowercaseExpandedTermsAttributeImpl.java

package org.apache.lucene.queryParser.standard.config;

/**
 * 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.util.Locale;

import org.apache.lucene.queryParser.core.config.QueryConfigHandler;
import org.apache.lucene.queryParser.standard.processors.ParametricRangeQueryNodeProcessor;
import org.apache.lucene.util.AttributeImpl;

/**
 * This attribute is used by processor {@link ParametricRangeQueryNodeProcessor}
 * and must be defined in the {@link QueryConfigHandler}. This attribute tells
 * the processor what is the default {@link Locale} used to parse a date. <br/>
 * 
 * @see org.apache.lucene.queryParser.standard.config.LowercaseExpandedTermsAttribute
 */
public class LowercaseExpandedTermsAttributeImpl extends AttributeImpl
				implements LowercaseExpandedTermsAttribute {

  private static final long serialVersionUID = -2804760312723049527L;

  private boolean lowercaseExpandedTerms = true;

  public LowercaseExpandedTermsAttributeImpl() {
    lowercaseExpandedTerms = true; // default in 2.4
  }

  public void setLowercaseExpandedTerms(boolean lowercaseExpandedTerms) {
	  this.lowercaseExpandedTerms = lowercaseExpandedTerms; 
  }

  public boolean isLowercaseExpandedTerms() {
    return this.lowercaseExpandedTerms;
  }

  @Override
  public void clear() {
    throw new UnsupportedOperationException();
  }

  @Override
  public void copyTo(AttributeImpl target) {
    throw new UnsupportedOperationException();
  }

  @Override
  public boolean equals(Object other) {

    if (other instanceof LowercaseExpandedTermsAttributeImpl
        && ((LowercaseExpandedTermsAttributeImpl) other).lowercaseExpandedTerms == this.lowercaseExpandedTerms) {

      return true;

    }

    return false;

  }

  @Override
  public int hashCode() {
    return this.lowercaseExpandedTerms ? -1 : Integer.MAX_VALUE;
  }

  @Override
  public String toString() {
    return "<lowercaseExpandedTerms lowercaseExpandedTerms="
        + this.lowercaseExpandedTerms + "/>";
  }

}