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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 | |
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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() { |
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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; | |
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86 | } |
87 | ||
8c8bf09f | 88 | // ------------------------------------------------------------------------ |
8ca8c4f1 | 89 | // ITmfCheckpoint |
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90 | // ------------------------------------------------------------------------ |
91 | ||
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92 | /* (non-Javadoc) |
93 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfCheckpoint#getTimestamp() | |
8c8bf09f | 94 | */ |
5d837f9b | 95 | @Override |
4df4581d | 96 | public ITmfTimestamp getTimestamp() { |
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97 | return fTimestamp; |
98 | } | |
99 | ||
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100 | /* (non-Javadoc) |
101 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfCheckpoint#getLocation() | |
8c8bf09f | 102 | */ |
5d837f9b | 103 | @Override |
452ad365 | 104 | public ITmfLocation<?> getLocation() { |
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105 | return fLocation; |
106 | } | |
107 | ||
cbd4ad82 | 108 | // ------------------------------------------------------------------------ |
5d837f9b | 109 | // Comparable |
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110 | // ------------------------------------------------------------------------ |
111 | ||
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112 | /* (non-Javadoc) |
113 | * @see org.eclipse.linuxtools.tmf.core.trace.ITmfCheckpoint#compareTo(org.eclipse.linuxtools.tmf.core.trace.ITmfCheckpoint) | |
114 | * | |
115 | * Compares the checkpoints timestamp. If either is null, compares the | |
116 | * trace checkpoints locations. | |
117 | */ | |
550d787e | 118 | @Override |
ff1ccee6 | 119 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
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120 | public int compareTo(final ITmfCheckpoint other) { |
121 | if (fTimestamp == null || other.getTimestamp() == null) { | |
122 | final Comparable location1 = fLocation.getLocation(); | |
123 | final Comparable location2 = other.getLocation().getLocation(); | |
124 | return location1.compareTo(location2); | |
cbdacf03 | 125 | } |
5d837f9b | 126 | return fTimestamp.compareTo(other.getTimestamp(), false); |
550d787e | 127 | } |
cbdacf03 | 128 | |
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129 | // ------------------------------------------------------------------------ |
130 | // Object | |
131 | // ------------------------------------------------------------------------ | |
132 | ||
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133 | /* (non-Javadoc) |
134 | * @see java.lang.Object#hashCode() | |
135 | */ | |
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136 | @Override |
137 | public int hashCode() { | |
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138 | final int prime = 31; |
139 | int result = 1; | |
140 | result = prime * result + ((fLocation == null) ? 0 : fLocation.hashCode()); | |
141 | result = prime * result + ((fTimestamp == null) ? 0 : fTimestamp.hashCode()); | |
142 | return result; | |
cbd4ad82 | 143 | } |
cbdacf03 | 144 | |
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145 | /* (non-Javadoc) |
146 | * @see java.lang.Object#equals(java.lang.Object) | |
147 | */ | |
cbd4ad82 | 148 | @Override |
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149 | public boolean equals(final Object obj) { |
150 | if (this == obj) | |
151 | return true; | |
152 | if (obj == null) | |
153 | return false; | |
154 | if (!(obj instanceof TmfCheckpoint)) | |
cbdacf03 | 155 | return false; |
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156 | final TmfCheckpoint other = (TmfCheckpoint) obj; |
157 | if (fLocation == null) { | |
158 | if (other.fLocation != null) | |
159 | return false; | |
160 | } else if (!fLocation.equals(other.fLocation)) | |
161 | return false; | |
162 | if (fTimestamp == null) { | |
163 | if (other.fTimestamp != null) | |
164 | return false; | |
165 | } else if (!fTimestamp.equals(other.fTimestamp)) | |
166 | return false; | |
167 | return true; | |
cbd4ad82 | 168 | } |
cbdacf03 | 169 | |
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170 | /* (non-Javadoc) |
171 | * @see java.lang.Object#toString() | |
172 | */ | |
ff4ed569 | 173 | @Override |
3b38ea61 | 174 | @SuppressWarnings("nls") |
ff4ed569 | 175 | public String toString() { |
5d837f9b | 176 | return "TmfCheckpoint [fLocation=" + fLocation + ", fTimestamp=" + fTimestamp + "]"; |
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177 | } |
178 | ||
179 | } |