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


1 /*
2  * Copyright (c) 1998-2002 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 /**
32  * Represents a value expression
33  */
34 public class LongValueExp extends NumericValueExp {
35   private long _value;
36   
37   /**
38    * Creates a null string value expression with a value.
39    */
40   public LongValueExp(long value)
41   {
42     _value = value;
43   }
44
45   /**
46    * Returns the underlying value as a string.
47    */
48   public String getString()
49   {
50     return String.valueOf(_value);
51   }
52
53   /**
54    * Returns the underlying value as a boolean.
55    */
56   public boolean getBoolean()
57   {
58     return _value != 0;
59   }
60
61   /**
62    * Returns the underlying value as a long.
63    */
64   public long getLong()
65   {
66     return _value;
67   }
68
69   /**
70    * Returns the underlying value as a double.
71    */
72   public double getDouble()
73   {
74     return _value;
75   }
76
77   /**
78    * Returns the underlying string.
79    */
80   public String toString()
81   {
82     return String.valueOf(_value);
83   }
84 }
85
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