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Lucene example source code file (KeywordAttributeImpl.java)
The Lucene KeywordAttributeImpl.java source codepackage 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, * 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 org.apache.lucene.analysis.TokenStream; import org.apache.lucene.util.AttributeImpl; /** *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 final class KeywordAttributeImpl extends AttributeImpl implements KeywordAttribute { private boolean keyword; @Override public void clear() { keyword = false; } @Override public void copyTo(AttributeImpl target) { KeywordAttribute attr = (KeywordAttribute) target; attr.setKeyword(keyword); } @Override public int hashCode() { return keyword ? 31 : 37; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (getClass() != obj.getClass()) return false; final KeywordAttributeImpl other = (KeywordAttributeImpl) obj; return keyword == other.keyword; } /** * 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() { return keyword; } /** * 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) { keyword = isKeyword; } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene KeywordAttributeImpl.java source code file: |
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