| /* |
| * 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. |
| */ |
| package org.apache.lucene.analysis.tokenattributes; |
| |
| |
| 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</code>. |
| */ |
| public interface KeywordAttribute extends Attribute { |
| |
| /** |
| * Returns <code>true</code> if the current token is a keyword, otherwise |
| * <code>false</code> |
| * |
| * @return <code>true</code> if the current token is a keyword, otherwise |
| * <code>false</code> |
| * @see #setKeyword(boolean) |
| */ |
| public boolean isKeyword(); |
| |
| /** |
| * Marks the current token as keyword if set to <code>true</code>. |
| * |
| * @param isKeyword |
| * <code>true</code> if the current token is a keyword, otherwise |
| * <code>false</code>. |
| * @see #isKeyword() |
| */ |
| public void setKeyword(boolean isKeyword); |
| } |