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Java > Open Source Codes > com > versant > core > ejb > query > NotNode


1
2 /*
3  * Copyright (c) 1998 - 2005 Versant Corporation
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  * Versant Corporation - initial API and implementation
11  */
12 package com.versant.core.ejb.query;
13
14 /**
15  * NOT.
16  */
17 public class NotNode extends Node {
18
19     private Node exp;
20
21     public NotNode(Node exp) {
22         this.exp = exp;
23     }
24
25     public Node getExp() {
26         return exp;
27     }
28
29     public Object JavaDoc arrive(NodeVisitor v, Object JavaDoc msg) {
30         return v.arriveNotNode(this, msg);
31     }
32
33     public String JavaDoc toStringImp() {
34         StringBuffer JavaDoc s = new StringBuffer JavaDoc();
35         s.append("NOT ");
36         s.append(exp);
37         return s.toString();
38     }
39
40     public void resolve(ResolveContext rc) {
41         exp.resolve(rc);
42     }
43
44 }
45
46
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