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7636a88e | 1 | /******************************************************************************* |
2 | * Copyright (c) 2012 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.core.event; | |
14 | ||
15 | /** | |
2848c377 | 16 | * A simplified timestamp where scale and precision are set to 0. |
b9e37ffd FC |
17 | * |
18 | * @since 1.0 | |
19 | * @version 1.0 | |
20 | * @author Francois Chouinard | |
7636a88e | 21 | */ |
22 | public class TmfSimpleTimestamp extends TmfTimestamp { | |
23 | ||
24 | // ------------------------------------------------------------------------ | |
25 | // Constructors | |
26 | // ------------------------------------------------------------------------ | |
27 | ||
28 | /** | |
f7703ed6 | 29 | * Default constructor (value = 0) |
7636a88e | 30 | */ |
31 | public TmfSimpleTimestamp() { | |
32 | this(0); | |
33 | } | |
34 | ||
35 | /** | |
36 | * Full constructor | |
37 | * | |
38 | * @param value the timestamp value | |
39 | */ | |
085d898f | 40 | public TmfSimpleTimestamp(final long value) { |
7636a88e | 41 | super(value, 0, 0); |
42 | } | |
43 | ||
44 | /** | |
45 | * Copy constructor | |
46 | * | |
47 | * @param timestamp the timestamp to copy | |
48 | */ | |
085d898f | 49 | public TmfSimpleTimestamp(final ITmfTimestamp timestamp) { |
b9e37ffd | 50 | if (timestamp == null || timestamp.getScale() != 0 || timestamp.getPrecision() != 0) { |
7636a88e | 51 | throw new IllegalArgumentException(); |
b9e37ffd FC |
52 | } |
53 | setValue(timestamp.getValue(), 0, 0); | |
7636a88e | 54 | } |
55 | ||
56 | // ------------------------------------------------------------------------ | |
57 | // ITmfTimestamp | |
58 | // ------------------------------------------------------------------------ | |
59 | ||
d7dbf09a FC |
60 | /* (non-Javadoc) |
61 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#normalize(long, int) | |
62 | */ | |
7636a88e | 63 | @Override |
085d898f | 64 | public ITmfTimestamp normalize(final long offset, final int scale) throws ArithmeticException { |
b9e37ffd FC |
65 | if (scale == 0) { |
66 | return new TmfSimpleTimestamp(getValue() + offset); | |
67 | } | |
7636a88e | 68 | return super.normalize(offset, scale); |
69 | } | |
70 | ||
d7dbf09a FC |
71 | /* (non-Javadoc) |
72 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#compareTo(org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp, boolean) | |
73 | */ | |
7636a88e | 74 | @Override |
085d898f | 75 | public int compareTo(final ITmfTimestamp ts, final boolean withinPrecision) { |
7636a88e | 76 | if (ts instanceof TmfSimpleTimestamp) { |
b9e37ffd | 77 | final long delta = getValue() - ts.getValue(); |
7636a88e | 78 | return (delta == 0) ? 0 : (delta > 0) ? 1 : -1; |
79 | } | |
80 | return super.compareTo(ts, withinPrecision); | |
81 | } | |
82 | ||
d7dbf09a FC |
83 | /* (non-Javadoc) |
84 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#getDelta(org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp) | |
85 | */ | |
7636a88e | 86 | @Override |
085d898f | 87 | public ITmfTimestamp getDelta(final ITmfTimestamp ts) { |
b9e37ffd FC |
88 | if (ts instanceof TmfSimpleTimestamp) { |
89 | return new TmfSimpleTimestamp(getValue() - ts.getValue()); | |
90 | } | |
7636a88e | 91 | return super.getDelta(ts); |
92 | } | |
93 | ||
8c149234 FC |
94 | // ------------------------------------------------------------------------ |
95 | // Cloneable | |
96 | // ------------------------------------------------------------------------ | |
97 | ||
98 | /* (non-Javadoc) | |
b9e37ffd | 99 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#clone() |
8c149234 FC |
100 | */ |
101 | @Override | |
102 | public TmfSimpleTimestamp clone() { | |
103 | return (TmfSimpleTimestamp) super.clone(); | |
104 | } | |
105 | ||
7636a88e | 106 | // ------------------------------------------------------------------------ |
107 | // Object | |
108 | // ------------------------------------------------------------------------ | |
109 | ||
beae214a FC |
110 | /* (non-Javadoc) |
111 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#hashCode() | |
112 | */ | |
113 | @Override | |
114 | public int hashCode() { | |
115 | return super.hashCode(); | |
116 | } | |
117 | ||
d7dbf09a FC |
118 | /* (non-Javadoc) |
119 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#equals(java.lang.Object) | |
120 | */ | |
7636a88e | 121 | @Override |
085d898f | 122 | public boolean equals(final Object other) { |
b9e37ffd | 123 | if (this == other) { |
7636a88e | 124 | return true; |
b9e37ffd FC |
125 | } |
126 | if (other == null) { | |
7636a88e | 127 | return false; |
b9e37ffd FC |
128 | } |
129 | if (!(other instanceof TmfSimpleTimestamp)) { | |
7636a88e | 130 | return super.equals(other); |
b9e37ffd | 131 | } |
085d898f | 132 | final TmfSimpleTimestamp ts = (TmfSimpleTimestamp) other; |
7656d70a | 133 | |
7636a88e | 134 | return compareTo(ts, false) == 0; |
135 | } | |
136 | ||
d7dbf09a FC |
137 | /* (non-Javadoc) |
138 | * @see org.eclipse.linuxtools.tmf.core.event.TmfTimestamp#toString() | |
139 | */ | |
7636a88e | 140 | @Override |
141 | @SuppressWarnings("nls") | |
142 | public String toString() { | |
b9e37ffd | 143 | return "TmfSimpleTimestamp [fValue=" + getValue() + "]"; |
7636a88e | 144 | } |
145 | ||
146 | } |