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Java > Open Source Codes > com > caucho > jmx > query > NotExp


1 /*
2  * Copyright (c) 1998-2003 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.jmx.query;
30
31 import javax.management.*;
32
33 /**
34  * Implementation of a less-than query
35  */
36 public class NotExp extends AbstractExp implements QueryExp {
37   private QueryExp _v1;
38
39   /**
40    * Creates a new equal query.
41    */
42   public NotExp(QueryExp v1)
43   {
44     _v1 = v1;
45   }
46
47   /**
48    * Evaluates the expression to a boolean.
49    *
50    * @param name the object to test.
51    *
52    * @return true if the query is a match.
53    */
54   public boolean apply(ObjectName name)
55     throws BadStringOperationException, BadBinaryOpValueExpException,
56        BadAttributeValueExpException, InvalidApplicationException
57   {
58     return ! _v1.apply(name);
59   }
60   
61   /**
62    * Returns the expression for the query.
63    */
64   public String toString()
65   {
66     return "not(" + _v1 + ")";
67   }
68 }
69
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