Commit | Line | Data |
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8c8bf09f | 1 | /******************************************************************************* |
61759503 | 2 | * Copyright (c) 2009, 2013 Ericsson |
6256d8ad | 3 | * |
8c8bf09f ASL |
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 | |
6256d8ad | 8 | * |
8c8bf09f ASL |
9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
5d837f9b | 11 | * Francois Chouinard - Updated as per TMF Trace Model 1.0 |
ea271da6 | 12 | * Patrick Tasse - Updated for location in checkpoint |
5d837f9b | 13 | ******************************************************************************/ |
8c8bf09f | 14 | |
6c13869b | 15 | package org.eclipse.linuxtools.tmf.core.trace; |
8c8bf09f | 16 | |
3bd46eef | 17 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
8c8bf09f ASL |
18 | |
19 | /** | |
2848c377 FC |
20 | * A basic implementation of ITmfCheckpoint. It simply maps an event timestamp |
21 | * to a generic location. | |
6256d8ad | 22 | * |
f7703ed6 FC |
23 | * @version 1.0 |
24 | * @author Francois Chouinard | |
25 | * | |
f7703ed6 FC |
26 | * @see ITmfLocation |
27 | * @see ITmfTimestamp | |
8c8bf09f | 28 | */ |
a12b0e0f | 29 | public class TmfCheckpoint implements ITmfCheckpoint { |
8c8bf09f ASL |
30 | |
31 | // ------------------------------------------------------------------------ | |
32 | // Attributes | |
33 | // ------------------------------------------------------------------------ | |
cbdacf03 | 34 | |
ea271da6 PT |
35 | // The checkpoint location |
36 | private final ITmfLocation fLocation; | |
5d837f9b FC |
37 | |
38 | // The checkpoint timestamp | |
a12b0e0f | 39 | private final ITmfTimestamp fTimestamp; |
8c8bf09f ASL |
40 | |
41 | // ------------------------------------------------------------------------ | |
42 | // Constructors | |
43 | // ------------------------------------------------------------------------ | |
44 | ||
8c8bf09f | 45 | /** |
5d837f9b | 46 | * Full constructor |
6256d8ad | 47 | * |
5d837f9b | 48 | * @param timestamp the checkpoint timestamp |
3bd46eef | 49 | * @param location the corresponding trace location |
ea271da6 | 50 | * @since 2.0 |
8c8bf09f | 51 | */ |
ea271da6 | 52 | public TmfCheckpoint(final ITmfTimestamp timestamp, final ITmfLocation location) { |
5d837f9b | 53 | fTimestamp = timestamp; |
ea271da6 | 54 | fLocation = location; |
8c8bf09f ASL |
55 | } |
56 | ||
ff4ed569 | 57 | /** |
5d837f9b | 58 | * Copy constructor |
6256d8ad | 59 | * |
ff4ed569 FC |
60 | * @param other the other checkpoint |
61 | */ | |
cbdacf03 | 62 | public TmfCheckpoint(final TmfCheckpoint other) { |
0316808c | 63 | if (other == null) { |
cbdacf03 | 64 | throw new IllegalArgumentException(); |
0316808c | 65 | } |
5d837f9b | 66 | fTimestamp = other.fTimestamp; |
ea271da6 | 67 | fLocation = other.fLocation; |
5d837f9b FC |
68 | } |
69 | ||
8c8bf09f | 70 | // ------------------------------------------------------------------------ |
8ca8c4f1 | 71 | // ITmfCheckpoint |
8c8bf09f ASL |
72 | // ------------------------------------------------------------------------ |
73 | ||
3bd46eef AM |
74 | /** |
75 | * @since 2.0 | |
8c8bf09f | 76 | */ |
5d837f9b | 77 | @Override |
4df4581d | 78 | public ITmfTimestamp getTimestamp() { |
8c8bf09f ASL |
79 | return fTimestamp; |
80 | } | |
81 | ||
37419bf3 | 82 | @Override |
1e1bef82 | 83 | public ITmfLocation getLocation() { |
ea271da6 | 84 | return fLocation; |
8c8bf09f ASL |
85 | } |
86 | ||
cbd4ad82 | 87 | // ------------------------------------------------------------------------ |
5d837f9b | 88 | // Comparable |
cbd4ad82 FC |
89 | // ------------------------------------------------------------------------ |
90 | ||
550d787e | 91 | @Override |
ff1ccee6 | 92 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
5d837f9b | 93 | public int compareTo(final ITmfCheckpoint other) { |
3eade83c BH |
94 | int comp = 0; |
95 | if ((fTimestamp != null) && (other.getTimestamp() != null)) { | |
96 | comp = fTimestamp.compareTo(other.getTimestamp(), false); | |
97 | if (comp != 0) { | |
98 | return comp; | |
99 | } | |
100 | // compare locations if timestamps are the same | |
cbdacf03 | 101 | } |
3eade83c | 102 | |
ea271da6 | 103 | if ((fLocation == null) && (other.getLocation() == null)) { |
3eade83c BH |
104 | return 0; |
105 | } | |
106 | ||
107 | // treat location of other as null location which is before any location | |
ea271da6 | 108 | if ((fLocation != null) && (other.getLocation() == null)) { |
3eade83c BH |
109 | return 1; |
110 | } | |
111 | ||
112 | // treat this as null location which is before any other locations | |
ea271da6 | 113 | if ((fLocation == null) && (other.getLocation() != null)) { |
3eade83c BH |
114 | return -1; |
115 | } | |
116 | ||
117 | // compare location | |
118 | final Comparable location1 = getLocation().getLocationInfo(); | |
119 | final Comparable location2 = other.getLocation().getLocationInfo(); | |
120 | return location1.compareTo(location2); | |
550d787e | 121 | } |
cbdacf03 | 122 | |
5d837f9b FC |
123 | // ------------------------------------------------------------------------ |
124 | // Object | |
125 | // ------------------------------------------------------------------------ | |
126 | ||
cbd4ad82 FC |
127 | @Override |
128 | public int hashCode() { | |
5d837f9b FC |
129 | final int prime = 31; |
130 | int result = 1; | |
ea271da6 | 131 | result = prime * result + ((fLocation == null) ? 0 : fLocation.hashCode()); |
5d837f9b FC |
132 | result = prime * result + ((fTimestamp == null) ? 0 : fTimestamp.hashCode()); |
133 | return result; | |
cbd4ad82 | 134 | } |
cbdacf03 | 135 | |
cbd4ad82 | 136 | @Override |
5d837f9b | 137 | public boolean equals(final Object obj) { |
0316808c | 138 | if (this == obj) { |
5d837f9b | 139 | return true; |
0316808c FC |
140 | } |
141 | if (obj == null) { | |
5d837f9b | 142 | return false; |
0316808c FC |
143 | } |
144 | if (!(obj instanceof TmfCheckpoint)) { | |
cbdacf03 | 145 | return false; |
0316808c | 146 | } |
5d837f9b | 147 | final TmfCheckpoint other = (TmfCheckpoint) obj; |
ea271da6 PT |
148 | if (fLocation == null) { |
149 | if (other.fLocation != null) { | |
5d837f9b | 150 | return false; |
0316808c | 151 | } |
ea271da6 | 152 | } else if (!fLocation.equals(other.fLocation)) { |
5d837f9b | 153 | return false; |
0316808c | 154 | } |
5d837f9b | 155 | if (fTimestamp == null) { |
0316808c | 156 | if (other.fTimestamp != null) { |
5d837f9b | 157 | return false; |
0316808c FC |
158 | } |
159 | } else if (!fTimestamp.equals(other.fTimestamp)) { | |
5d837f9b | 160 | return false; |
0316808c | 161 | } |
5d837f9b | 162 | return true; |
cbd4ad82 | 163 | } |
cbdacf03 | 164 | |
ff4ed569 | 165 | @Override |
3b38ea61 | 166 | @SuppressWarnings("nls") |
ff4ed569 | 167 | public String toString() { |
ea271da6 | 168 | return getClass().getSimpleName() + " [fLocation=" + fLocation + ", fTimestamp=" + fTimestamp + "]"; |
8c8bf09f ASL |
169 | } |
170 | ||
171 | } |