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Java > Open Source Codes > org > apache > slide > store > impl > rdbms > expression > RDBMSNotIsDefinedExpression


1 /*
2  * $Header: /home/cvs/jakarta-slide/src/stores/org/apache/slide/store/impl/rdbms/expression/RDBMSNotIsDefinedExpression.java,v 1.3 2004/07/28 09:34:08 ib Exp $
3  * $Revision: 1.3 $
4  * $Date: 2004/07/28 09:34:08 $
5  *
6  * ====================================================================
7  *
8  * Copyright 1999-2004 The Apache Software Foundation
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  */
23 package org.apache.slide.store.impl.rdbms.expression;
24
25 import org.apache.slide.content.NodeProperty.NamespaceCache;
26 import org.apache.slide.search.basic.Literals;
27 import org.jdom.Element;
28
29 /**
30  */
31 public class RDBMSNotIsDefinedExpression extends RDBMSCompareExpression {
32
33     public RDBMSNotIsDefinedExpression(Element element, RDBMSQueryContext context) {
34         super(element, context);
35     }
36
37     protected String JavaDoc compile() {
38         Element property = (Element) _element.getChild(Literals.PROP, NamespaceCache.DEFAULT_NAMESPACE).getChildren().get(0);
39         return "NOT (p" + _tableIndex + ".PROPERTY_NAME = '" + property.getName() + "' AND " +
40                 "p" + _tableIndex + ".PROPERTY_NAMESPACE = '" + property.getNamespaceURI() + "')";
41     }
42
43 }
44
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