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8c8bf09f | 1 | /******************************************************************************* |
5d837f9b | 2 | * Copyright (c) 2009, 2012 Ericsson |
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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 | |
5d837f9b FC |
11 | * Francois Chouinard - Updated as per TMF Trace Model 1.0 |
12 | ******************************************************************************/ | |
8c8bf09f | 13 | |
6c13869b | 14 | package org.eclipse.linuxtools.tmf.core.trace; |
8c8bf09f | 15 | |
4df4581d | 16 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
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17 | |
18 | /** | |
19 | * <b><u>TmfCheckpoint</u></b> | |
20 | * <p> | |
ff4ed569 | 21 | * This class maps an event timestamp to a generic location. |
8c8bf09f | 22 | */ |
5d837f9b | 23 | public class TmfCheckpoint implements ITmfCheckpoint { |
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24 | |
25 | // ------------------------------------------------------------------------ | |
26 | // Attributes | |
27 | // ------------------------------------------------------------------------ | |
cbdacf03 | 28 | |
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29 | // The checkpoint location |
30 | private ITmfLocation<? extends Comparable<?>> fLocation; | |
31 | ||
32 | // The checkpoint timestamp | |
4df4581d | 33 | private ITmfTimestamp fTimestamp; |
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34 | |
35 | // ------------------------------------------------------------------------ | |
36 | // Constructors | |
37 | // ------------------------------------------------------------------------ | |
38 | ||
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39 | /** |
40 | * Default constructor | |
41 | */ | |
ff4ed569 | 42 | @SuppressWarnings("unused") |
cbdacf03 | 43 | private TmfCheckpoint() { |
ff4ed569 FC |
44 | } |
45 | ||
8c8bf09f | 46 | /** |
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47 | * Full constructor |
48 | * | |
49 | * @param timestamp the checkpoint timestamp | |
ff4ed569 | 50 | * @param location the corresponding trace location |
8c8bf09f | 51 | */ |
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52 | public TmfCheckpoint(final ITmfTimestamp timestamp, final ITmfLocation<? extends Comparable<?>> location) { |
53 | fTimestamp = timestamp; | |
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54 | fLocation = location; |
55 | } | |
56 | ||
ff4ed569 | 57 | /** |
5d837f9b | 58 | * Copy constructor |
cbdacf03 | 59 | * |
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60 | * @param other the other checkpoint |
61 | */ | |
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62 | public TmfCheckpoint(final TmfCheckpoint other) { |
63 | if (other == null) | |
64 | throw new IllegalArgumentException(); | |
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65 | fTimestamp = other.fTimestamp; |
66 | fLocation = other.fLocation; | |
67 | } | |
68 | ||
69 | // ------------------------------------------------------------------------ | |
70 | // Cloneable | |
71 | // ------------------------------------------------------------------------ | |
72 | ||
73 | /* (non-Javadoc) | |
74 | * @see java.lang.Object#clone() | |
75 | */ | |
76 | @Override | |
77 | public TmfCheckpoint clone() { | |
78 | TmfCheckpoint clone = null; | |
79 | try { | |
80 | clone = (TmfCheckpoint) super.clone(); | |
81 | clone.fLocation = (fLocation != null) ? fLocation.clone() : null; | |
82 | clone.fTimestamp = (fTimestamp != null) ? fTimestamp.clone() : null; | |
83 | } catch (final CloneNotSupportedException e) { | |
84 | } | |
85 | return clone; | |
ff4ed569 FC |
86 | } |
87 | ||
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88 | // ------------------------------------------------------------------------ |
89 | // Accessors | |
90 | // ------------------------------------------------------------------------ | |
91 | ||
92 | /** | |
ff4ed569 | 93 | * @return the checkpoint timestamp |
8c8bf09f | 94 | */ |
5d837f9b | 95 | @Override |
4df4581d | 96 | public ITmfTimestamp getTimestamp() { |
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97 | return fTimestamp; |
98 | } | |
99 | ||
100 | /** | |
ff4ed569 | 101 | * @return the checkpoint stream location |
8c8bf09f | 102 | */ |
5d837f9b | 103 | @Override |
452ad365 | 104 | public ITmfLocation<?> getLocation() { |
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105 | return fLocation; |
106 | } | |
107 | ||
cbd4ad82 | 108 | // ------------------------------------------------------------------------ |
5d837f9b | 109 | // Comparable |
cbd4ad82 FC |
110 | // ------------------------------------------------------------------------ |
111 | ||
550d787e | 112 | @Override |
ff1ccee6 | 113 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
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114 | public int compareTo(final ITmfCheckpoint other) { |
115 | if (fTimestamp == null || other.getTimestamp() == null) { | |
116 | final Comparable location1 = fLocation.getLocation(); | |
117 | final Comparable location2 = other.getLocation().getLocation(); | |
118 | return location1.compareTo(location2); | |
cbdacf03 | 119 | } |
5d837f9b | 120 | return fTimestamp.compareTo(other.getTimestamp(), false); |
550d787e | 121 | } |
cbdacf03 | 122 | |
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123 | // ------------------------------------------------------------------------ |
124 | // Object | |
125 | // ------------------------------------------------------------------------ | |
126 | ||
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127 | @Override |
128 | public int hashCode() { | |
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129 | final int prime = 31; |
130 | int result = 1; | |
131 | result = prime * result + ((fLocation == null) ? 0 : fLocation.hashCode()); | |
132 | result = prime * result + ((fTimestamp == null) ? 0 : fTimestamp.hashCode()); | |
133 | return result; | |
cbd4ad82 | 134 | } |
cbdacf03 | 135 | |
cbd4ad82 | 136 | @Override |
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137 | public boolean equals(final Object obj) { |
138 | if (this == obj) | |
139 | return true; | |
140 | if (obj == null) | |
141 | return false; | |
142 | if (!(obj instanceof TmfCheckpoint)) | |
cbdacf03 | 143 | return false; |
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144 | final TmfCheckpoint other = (TmfCheckpoint) obj; |
145 | if (fLocation == null) { | |
146 | if (other.fLocation != null) | |
147 | return false; | |
148 | } else if (!fLocation.equals(other.fLocation)) | |
149 | return false; | |
150 | if (fTimestamp == null) { | |
151 | if (other.fTimestamp != null) | |
152 | return false; | |
153 | } else if (!fTimestamp.equals(other.fTimestamp)) | |
154 | return false; | |
155 | return true; | |
cbd4ad82 | 156 | } |
cbdacf03 | 157 | |
ff4ed569 | 158 | @Override |
3b38ea61 | 159 | @SuppressWarnings("nls") |
ff4ed569 | 160 | public String toString() { |
5d837f9b | 161 | return "TmfCheckpoint [fLocation=" + fLocation + ", fTimestamp=" + fTimestamp + "]"; |
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162 | } |
163 | ||
164 | } |