pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / contrib / queryparser / src / java / org / apache / lucene / queryParser / standard / processors / BooleanSingleChildOptimizationQueryNodeProcessor.java

diff --git a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/BooleanSingleChildOptimizationQueryNodeProcessor.java b/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/BooleanSingleChildOptimizationQueryNodeProcessor.java
deleted file mode 100644 (file)
index beb3c64..0000000
--- a/lucene-java-3.4.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/processors/BooleanSingleChildOptimizationQueryNodeProcessor.java
+++ /dev/null
@@ -1,91 +0,0 @@
-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.QueryNodeException;
-import org.apache.lucene.queryParser.core.nodes.BooleanQueryNode;
-import org.apache.lucene.queryParser.core.nodes.ModifierQueryNode;
-import org.apache.lucene.queryParser.core.nodes.QueryNode;
-import org.apache.lucene.queryParser.core.nodes.ModifierQueryNode.Modifier;
-import org.apache.lucene.queryParser.core.processors.QueryNodeProcessorImpl;
-import org.apache.lucene.queryParser.standard.nodes.BooleanModifierNode;
-
-/**
- * This processor removes every {@link BooleanQueryNode} that contains only one
- * child and returns this child. If this child is {@link ModifierQueryNode} that
- * was defined by the user. A modifier is not defined by the user when it's a
- * {@link BooleanModifierNode} <br/>
- * 
- * @see ModifierQueryNode
- */
-public class BooleanSingleChildOptimizationQueryNodeProcessor extends
-    QueryNodeProcessorImpl {
-
-  public BooleanSingleChildOptimizationQueryNodeProcessor() {
-    // empty constructor
-  }
-
-  @Override
-  protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException {
-
-    if (node instanceof BooleanQueryNode) {
-      List<QueryNode> children = node.getChildren();
-
-      if (children != null && children.size() == 1) {
-        QueryNode child = children.get(0);
-
-        if (child instanceof ModifierQueryNode) {
-          ModifierQueryNode modNode = (ModifierQueryNode) child;
-
-          if (modNode instanceof BooleanModifierNode
-              || modNode.getModifier() == Modifier.MOD_NONE) {
-
-            return child;
-
-          }
-
-        } else {
-          return child;
-        }
-
-      }
-
-    }
-
-    return node;
-
-  }
-
-  @Override
-  protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
-
-    return node;
-
-  }
-
-  @Override
-  protected List<QueryNode> setChildrenOrder(List<QueryNode> children)
-      throws QueryNodeException {
-
-    return children;
-
-  }
-
-}