X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/processors/NoChildOptimizationQueryNodeProcessor.java diff --git a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/processors/NoChildOptimizationQueryNodeProcessor.java b/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/processors/NoChildOptimizationQueryNodeProcessor.java deleted file mode 100644 index c08a7a8..0000000 --- a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/core/processors/NoChildOptimizationQueryNodeProcessor.java +++ /dev/null @@ -1,93 +0,0 @@ -package org.apache.lucene.queryParser.core.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.QueryNodeException; -import org.apache.lucene.queryParser.core.nodes.BooleanQueryNode; -import org.apache.lucene.queryParser.core.nodes.BoostQueryNode; -import org.apache.lucene.queryParser.core.nodes.DeletedQueryNode; -import org.apache.lucene.queryParser.core.nodes.MatchNoDocsQueryNode; -import org.apache.lucene.queryParser.core.nodes.ModifierQueryNode; -import org.apache.lucene.queryParser.core.nodes.QueryNode; -import org.apache.lucene.queryParser.core.nodes.TokenizedPhraseQueryNode; - -/** - *

- * A {@link NoChildOptimizationQueryNodeProcessor} removes every - * BooleanQueryNode, BoostQueryNode, TokenizedPhraseQueryNode or - * ModifierQueryNode that do not have a valid children. - *

- *

- * Example: When the children of these nodes are removed for any reason then the - * nodes may become invalid. - *

- */ -public class NoChildOptimizationQueryNodeProcessor extends - QueryNodeProcessorImpl { - - public NoChildOptimizationQueryNodeProcessor() { - // empty constructor - } - - @Override - protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException { - - if (node instanceof BooleanQueryNode || node instanceof BoostQueryNode - || node instanceof TokenizedPhraseQueryNode - || node instanceof ModifierQueryNode) { - - List children = node.getChildren(); - - if (children != null && children.size() > 0) { - - for (QueryNode child : children) { - - if (!(child instanceof DeletedQueryNode)) { - return node; - } - - } - - } - - return new MatchNoDocsQueryNode(); - - } - - return node; - - } - - @Override - protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException { - - return node; - - } - - @Override - protected List setChildrenOrder(List children) - throws QueryNodeException { - - return children; - - } - -}