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Lucene example source code file (MultiTermRewriteMethodProcessor.java)
The Lucene MultiTermRewriteMethodProcessor.java source codepackage org.apache.lucene.queryParser.standard.processors; /** * 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.List; import org.apache.lucene.queryParser.core.nodes.ParametricRangeQueryNode; import org.apache.lucene.queryParser.core.nodes.QueryNode; import org.apache.lucene.queryParser.core.processors.QueryNodeProcessorImpl; import org.apache.lucene.queryParser.standard.config.MultiTermRewriteMethodAttribute; import org.apache.lucene.queryParser.standard.nodes.WildcardQueryNode; import org.apache.lucene.search.MultiTermQuery; /** * This processor instates the default * {@link org.apache.lucene.search.MultiTermQuery.RewriteMethod}, * {@link MultiTermQuery#CONSTANT_SCORE_AUTO_REWRITE_DEFAULT}, for multi-term * query nodes. */ public class MultiTermRewriteMethodProcessor extends QueryNodeProcessorImpl { @Override protected QueryNode postProcessNode(QueryNode node) { // set setMultiTermRewriteMethod for WildcardQueryNode and // PrefixWildcardQueryNode if (node instanceof WildcardQueryNode || node instanceof ParametricRangeQueryNode) { if (!getQueryConfigHandler().hasAttribute( MultiTermRewriteMethodAttribute.class)) { // This should not happen, this attribute is created in the // StandardQueryConfigHandler throw new IllegalArgumentException( "MultiTermRewriteMethodAttribute should be set on the QueryConfigHandler"); } // read the attribute value and use a TAG to take the value to the Builder MultiTermQuery.RewriteMethod rewriteMethod = getQueryConfigHandler() .getAttribute(MultiTermRewriteMethodAttribute.class) .getMultiTermRewriteMethod(); node.setTag(MultiTermRewriteMethodAttribute.TAG_ID, rewriteMethod); } return node; } @Override protected QueryNode preProcessNode(QueryNode node) { return node; } @Override protected List<QueryNode> setChildrenOrder(List Other Lucene examples (source code examples)Here is a short list of links related to this Lucene MultiTermRewriteMethodProcessor.java source code file: |
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