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Posted to slide-dev@jakarta.apache.org by un...@apache.org on 2005/08/09 13:38:32 UTC

svn commit: r231021 - in /jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene: LuceneExpressionFactory.java expressions/EmptyExpression.java

Author: unico
Date: Tue Aug  9 04:38:28 2005
New Revision: 231021

URL: http://svn.apache.org/viewcvs?rev=231021&view=rev
Log:
fix bug 36046, improve performance in case of empty <where/>,
thanks to Max Pfingsthorn (m.pfingsthorn at hippo dot nl)

Added:
    jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/expressions/EmptyExpression.java
Modified:
    jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/LuceneExpressionFactory.java

Modified: jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/LuceneExpressionFactory.java
URL: http://svn.apache.org/viewcvs/jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/LuceneExpressionFactory.java?rev=231021&r1=231020&r2=231021&view=diff
==============================================================================
--- jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/LuceneExpressionFactory.java (original)
+++ jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/LuceneExpressionFactory.java Tue Aug  9 04:38:28 2005
@@ -33,6 +33,7 @@
 import org.apache.slide.index.lucene.expressions.ContainsExpression;
 import org.apache.slide.index.lucene.expressions.EqExpression;
 import org.apache.slide.index.lucene.expressions.GtExpression;
+import org.apache.slide.index.lucene.expressions.EmptyExpression;
 import org.apache.slide.index.lucene.expressions.IsCollectionExpression;
 import org.apache.slide.index.lucene.expressions.IsDefinedExpression;
 import org.apache.slide.index.lucene.expressions.IsPrincipalExpression;
@@ -64,6 +65,11 @@
     public LuceneExpressionFactory(Index index) {
         this.index = index;
     }
+    
+    public Index getIndex()
+    {
+    	return this.index;
+    }
 
     public IBasicExpression createMergeExpression (String mergeOperator,
                                                    String namespace,
@@ -138,7 +144,7 @@
         IBasicExpression result = null;
 
         if (element == null) {
-            return super.createExpression(element);
+        	    result = new EmptyExpression(this.index);
         } else {
             String namespace = element.getNamespace().getURI();
             if (namespace.equals (NodeProperty.NamespaceCache.DEFAULT_URI)) {
@@ -284,12 +290,12 @@
             }
         }
         if (operator.equals(Literals.PROPCONTAINS)) {
-            if (configuration.isStringProperty(namespace, name)) {
+            if (configuration.isStringProperty(namespace, name) || configuration.isTextProperty(namespace, name)) {
                 return new PropcontainsExpression(this.index, e, false);
             }
         }
         if (operator.equals(Literals.NOT_PROPCONTAINS)) {
-            if (configuration.isStringProperty(namespace, name)) {
+            if (configuration.isStringProperty(namespace, name) || configuration.isTextProperty(namespace, name)) {
                 return new PropcontainsExpression(this.index, e, true);
             }
         }

Added: jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/expressions/EmptyExpression.java
URL: http://svn.apache.org/viewcvs/jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/expressions/EmptyExpression.java?rev=231021&view=auto
==============================================================================
--- jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/expressions/EmptyExpression.java (added)
+++ jakarta/slide/trunk/src/stores/org/apache/slide/index/lucene/expressions/EmptyExpression.java Tue Aug  9 04:38:28 2005
@@ -0,0 +1,32 @@
+/*
+ * Copyright 1999-2004 The Apache Software Foundation
+ *
+ * Licensed 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.
+ *
+ */
+package org.apache.slide.index.lucene.expressions;
+
+import org.apache.slide.index.lucene.Index;
+
+
+/**
+ * Implements an empty expression
+ */
+public class EmptyExpression extends AbstractLuceneExpression {
+
+    public EmptyExpression(Index index) {
+        super(index);
+        setQuery(null);
+    }
+
+}



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