Commit | Line | Data |
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7636a88e | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2012, 2014 Ericsson |
9b749023 | 3 | * |
7636a88e | 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 | |
9b749023 | 8 | * |
7636a88e | 9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
f8177ba2 | 11 | * Francois Chouinard - Standardize on the default toString() |
7636a88e | 12 | *******************************************************************************/ |
13 | ||
2bdf0193 | 14 | package org.eclipse.tracecompass.tmf.core.timestamp; |
7636a88e | 15 | |
16 | /** | |
2848c377 | 17 | * A simplified timestamp where scale and precision are set to 0. |
9b749023 | 18 | * |
b9e37ffd | 19 | * @author Francois Chouinard |
7636a88e | 20 | */ |
9b749023 | 21 | public class TmfSimpleTimestamp extends TmfTimestamp { |
7636a88e | 22 | |
23 | // ------------------------------------------------------------------------ | |
24 | // Constructors | |
25 | // ------------------------------------------------------------------------ | |
26 | ||
27 | /** | |
f7703ed6 | 28 | * Default constructor (value = 0) |
7636a88e | 29 | */ |
30 | public TmfSimpleTimestamp() { | |
31 | this(0); | |
32 | } | |
33 | ||
34 | /** | |
35 | * Full constructor | |
36 | * | |
37 | * @param value the timestamp value | |
38 | */ | |
085d898f | 39 | public TmfSimpleTimestamp(final long value) { |
065cc19b | 40 | super(value, 0); |
7636a88e | 41 | } |
42 | ||
43 | /** | |
4593bd5b | 44 | * Copy constructor. |
9b749023 | 45 | * |
4593bd5b AM |
46 | * If the parameter is not a TmfSimpleTimestamp, the timestamp will be |
47 | * scaled to seconds, and the precision will be discarded. | |
48 | * | |
49 | * @param timestamp | |
50 | * The timestamp to copy | |
7636a88e | 51 | */ |
085d898f | 52 | public TmfSimpleTimestamp(final ITmfTimestamp timestamp) { |
065cc19b | 53 | super(timestamp.normalize(0, ITmfTimestamp.SECOND_SCALE).getValue(), 0); |
7636a88e | 54 | } |
55 | ||
56 | // ------------------------------------------------------------------------ | |
57 | // ITmfTimestamp | |
58 | // ------------------------------------------------------------------------ | |
59 | ||
60 | @Override | |
0316808c | 61 | public ITmfTimestamp normalize(final long offset, final int scale) { |
9e925522 MK |
62 | if (scale == ITmfTimestamp.SECOND_SCALE) { |
63 | return new TmfSimpleTimestamp(saturatedAdd(getValue(), offset)); | |
b9e37ffd | 64 | } |
7636a88e | 65 | return super.normalize(offset, scale); |
66 | } | |
67 | ||
68 | @Override | |
065cc19b | 69 | public int compareTo(final ITmfTimestamp ts) { |
7636a88e | 70 | if (ts instanceof TmfSimpleTimestamp) { |
b9e37ffd | 71 | final long delta = getValue() - ts.getValue(); |
7636a88e | 72 | return (delta == 0) ? 0 : (delta > 0) ? 1 : -1; |
73 | } | |
065cc19b | 74 | return super.compareTo(ts); |
7636a88e | 75 | } |
76 | ||
77 | @Override | |
085d898f | 78 | public ITmfTimestamp getDelta(final ITmfTimestamp ts) { |
b9e37ffd | 79 | if (ts instanceof TmfSimpleTimestamp) { |
a9ee1687 | 80 | return new TmfTimestampDelta(getValue() - ts.getValue()); |
b9e37ffd | 81 | } |
7636a88e | 82 | return super.getDelta(ts); |
83 | } | |
84 | ||
85 | // ------------------------------------------------------------------------ | |
86 | // Object | |
87 | // ------------------------------------------------------------------------ | |
88 | ||
beae214a FC |
89 | @Override |
90 | public int hashCode() { | |
91 | return super.hashCode(); | |
92 | } | |
93 | ||
7636a88e | 94 | @Override |
085d898f | 95 | public boolean equals(final Object other) { |
b9e37ffd | 96 | if (this == other) { |
7636a88e | 97 | return true; |
b9e37ffd FC |
98 | } |
99 | if (other == null) { | |
7636a88e | 100 | return false; |
b9e37ffd FC |
101 | } |
102 | if (!(other instanceof TmfSimpleTimestamp)) { | |
7636a88e | 103 | return super.equals(other); |
b9e37ffd | 104 | } |
085d898f | 105 | final TmfSimpleTimestamp ts = (TmfSimpleTimestamp) other; |
7656d70a | 106 | |
065cc19b | 107 | return compareTo(ts) == 0; |
7636a88e | 108 | } |
109 | ||
7636a88e | 110 | } |