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Java > Open Source Codes > com > jeantessier > metrics > NullMeasurement


1 /*
2  * Copyright (c) 2001-2005, Jean Tessier
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of Jean Tessier nor the names of his contributors
17  * may be used to endorse or promote products derived from this software
18  * without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 package com.jeantessier.metrics;
34
35 public class NullMeasurement implements Measurement {
36     public MeasurementDescriptor getDescriptor() {
37         return null;
38     }
39
40     public Metrics getContext() {
41         return null;
42     }
43     
44     public String JavaDoc getShortName() {
45         return null;
46     }
47     
48     public String JavaDoc getLongName() {
49         return null;
50     }
51
52     public Number JavaDoc getValue(){
53         return null;
54     }
55     
56     public int intValue() {
57         return 0;
58     }
59     
60     public long longValue() {
61         return 0;
62     }
63     
64     public float floatValue() {
65         return 0;
66     }
67     
68     public double doubleValue() {
69         return 0;
70     }
71
72     public boolean isEmpty() {
73         return true;
74     }
75
76     public boolean isInRange() {
77         return false;
78     }
79     
80     public void add(Object JavaDoc object) {
81         // Do nothing
82 }
83     
84     public void add(int i) {
85         // Do nothing
86 }
87     
88     public void add(long l) {
89         // Do nothing
90 }
91     
92     public void add(float f) {
93         // Do nothing
94 }
95     
96     public void add(double d) {
97         // Do nothing
98 }
99
100     public void accept(MeasurementVisitor visitor) {
101         // Do nothing
102 }
103 }
104
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