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Lucene example source code file (KeywordAttribute.java)

This example Lucene source code file (KeywordAttribute.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

attribute, attribute, keywordattribute, keywordattribute

The Lucene KeywordAttribute.java source code

package org.apache.lucene.analysis.tokenattributes;

 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.util.Attribute;

 * This attribute can be used to mark a token as a keyword. Keyword aware
 * {@link TokenStream}s can decide to modify a token based on the return value
 * of {@link #isKeyword()} if the token is modified. Stemming filters for
 * instance can use this attribute to conditionally skip a term if
 * {@link #isKeyword()} returns <code>true.
public interface KeywordAttribute extends Attribute {

   * Returns <code>true iff the current token is a keyword, otherwise
   * <code>false/
   * @return <code>true iff the current token is a keyword, otherwise
   *         <code>false/
  public boolean isKeyword();

   * Marks the current token as keyword iff set to <code>true.
   * @param isKeyword
   *          <code>true iff the current token is a keyword, otherwise
   *          <code>false.
  public void setKeyword(boolean isKeyword);

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