pylucene 3.5.0-3

[pylucene.git] / 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 (file)
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;
-
-/**
- * <p>
- * A {@link NoChildOptimizationQueryNodeProcessor} removes every
- * BooleanQueryNode, BoostQueryNode, TokenizedPhraseQueryNode or
- * ModifierQueryNode that do not have a valid children.
- * </p>
- * <p>
- * Example: When the children of these nodes are removed for any reason then the
- * nodes may become invalid.
- * </p>
- */
-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<QueryNode> 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<QueryNode> setChildrenOrder(List<QueryNode> children)
-      throws QueryNodeException {
-
-    return children;
-
-  }
-
-}