X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/MultiTermRewriteMethodProcessor.java diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/MultiTermRewriteMethodProcessor.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/MultiTermRewriteMethodProcessor.java new file mode 100644 index 0000000..ba39dbd --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/MultiTermRewriteMethodProcessor.java @@ -0,0 +1,77 @@ +package 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.StandardQueryConfigHandler.ConfigurationKeys; +import org.apache.lucene.queryParser.standard.nodes.AbstractRangeQueryNode; +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 { + + public static final String TAG_ID = "MultiTermRewriteMethodConfiguration"; + + @Override + protected QueryNode postProcessNode(QueryNode node) { + + // set setMultiTermRewriteMethod for WildcardQueryNode and + // PrefixWildcardQueryNode + if (node instanceof WildcardQueryNode + || node instanceof AbstractRangeQueryNode) { + + + // read the attribute value and use a TAG to take the value to the Builder + MultiTermQuery.RewriteMethod rewriteMethod = getQueryConfigHandler() + .get(ConfigurationKeys.MULTI_TERM_REWRITE_METHOD); + + if (rewriteMethod == null) { + // This should not happen, this attribute is created in the + // StandardQueryConfigHandler + throw new IllegalArgumentException( + "StandardQueryConfigHandler.ConfigurationKeys.MULTI_TERM_REWRITE_METHOD should be set on the QueryConfigHandler"); + } + + + node.setTag(MultiTermRewriteMethodProcessor.TAG_ID, rewriteMethod); + + } + + return node; + } + + @Override + protected QueryNode preProcessNode(QueryNode node) { + return node; + } + + @Override + protected List setChildrenOrder(List children) { + return children; + } +}