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 | |
a3db8436 | 15 | package org.eclipse.linuxtools.tmf.core.trace.indexer.checkpoint; |
8c8bf09f | 16 | |
3bd46eef | 17 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
a3db8436 | 18 | import org.eclipse.linuxtools.tmf.core.trace.location.ITmfLocation; |
8c8bf09f ASL |
19 | |
20 | /** | |
2848c377 FC |
21 | * A basic implementation of ITmfCheckpoint. It simply maps an event timestamp |
22 | * to a generic location. | |
6256d8ad | 23 | * |
f7703ed6 FC |
24 | * @see ITmfLocation |
25 | * @see ITmfTimestamp | |
a3db8436 AM |
26 | * |
27 | * @author Francois Chouinard | |
28 | * @since 3.0 | |
8c8bf09f | 29 | */ |
a12b0e0f | 30 | public class TmfCheckpoint implements ITmfCheckpoint { |
8c8bf09f ASL |
31 | |
32 | // ------------------------------------------------------------------------ | |
33 | // Attributes | |
34 | // ------------------------------------------------------------------------ | |
cbdacf03 | 35 | |
ea271da6 PT |
36 | // The checkpoint location |
37 | private final ITmfLocation fLocation; | |
5d837f9b FC |
38 | |
39 | // The checkpoint timestamp | |
a12b0e0f | 40 | private final ITmfTimestamp fTimestamp; |
8c8bf09f ASL |
41 | |
42 | // ------------------------------------------------------------------------ | |
43 | // Constructors | |
44 | // ------------------------------------------------------------------------ | |
45 | ||
8c8bf09f | 46 | /** |
5d837f9b | 47 | * Full constructor |
6256d8ad | 48 | * |
5d837f9b | 49 | * @param timestamp the checkpoint timestamp |
3bd46eef | 50 | * @param location the corresponding trace location |
a3db8436 | 51 | * @since 3.0 |
8c8bf09f | 52 | */ |
ea271da6 | 53 | public TmfCheckpoint(final ITmfTimestamp timestamp, final ITmfLocation location) { |
5d837f9b | 54 | fTimestamp = timestamp; |
ea271da6 | 55 | fLocation = location; |
8c8bf09f ASL |
56 | } |
57 | ||
ff4ed569 | 58 | /** |
5d837f9b | 59 | * Copy constructor |
6256d8ad | 60 | * |
ff4ed569 FC |
61 | * @param other the other checkpoint |
62 | */ | |
cbdacf03 | 63 | public TmfCheckpoint(final TmfCheckpoint other) { |
0316808c | 64 | if (other == null) { |
cbdacf03 | 65 | throw new IllegalArgumentException(); |
0316808c | 66 | } |
5d837f9b | 67 | fTimestamp = other.fTimestamp; |
ea271da6 | 68 | fLocation = other.fLocation; |
5d837f9b FC |
69 | } |
70 | ||
8c8bf09f | 71 | // ------------------------------------------------------------------------ |
8ca8c4f1 | 72 | // ITmfCheckpoint |
8c8bf09f ASL |
73 | // ------------------------------------------------------------------------ |
74 | ||
3bd46eef AM |
75 | /** |
76 | * @since 2.0 | |
8c8bf09f | 77 | */ |
5d837f9b | 78 | @Override |
4df4581d | 79 | public ITmfTimestamp getTimestamp() { |
8c8bf09f ASL |
80 | return fTimestamp; |
81 | } | |
82 | ||
37419bf3 | 83 | @Override |
1e1bef82 | 84 | public ITmfLocation getLocation() { |
ea271da6 | 85 | return fLocation; |
8c8bf09f ASL |
86 | } |
87 | ||
cbd4ad82 | 88 | // ------------------------------------------------------------------------ |
5d837f9b | 89 | // Comparable |
cbd4ad82 FC |
90 | // ------------------------------------------------------------------------ |
91 | ||
550d787e | 92 | @Override |
ff1ccee6 | 93 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
5d837f9b | 94 | public int compareTo(final ITmfCheckpoint other) { |
3eade83c BH |
95 | int comp = 0; |
96 | if ((fTimestamp != null) && (other.getTimestamp() != null)) { | |
97 | comp = fTimestamp.compareTo(other.getTimestamp(), false); | |
98 | if (comp != 0) { | |
99 | return comp; | |
100 | } | |
101 | // compare locations if timestamps are the same | |
cbdacf03 | 102 | } |
3eade83c | 103 | |
ea271da6 | 104 | if ((fLocation == null) && (other.getLocation() == null)) { |
3eade83c BH |
105 | return 0; |
106 | } | |
107 | ||
108 | // treat location of other as null location which is before any location | |
ea271da6 | 109 | if ((fLocation != null) && (other.getLocation() == null)) { |
3eade83c BH |
110 | return 1; |
111 | } | |
112 | ||
113 | // treat this as null location which is before any other locations | |
ea271da6 | 114 | if ((fLocation == null) && (other.getLocation() != null)) { |
3eade83c BH |
115 | return -1; |
116 | } | |
117 | ||
118 | // compare location | |
119 | final Comparable location1 = getLocation().getLocationInfo(); | |
120 | final Comparable location2 = other.getLocation().getLocationInfo(); | |
121 | return location1.compareTo(location2); | |
550d787e | 122 | } |
cbdacf03 | 123 | |
5d837f9b FC |
124 | // ------------------------------------------------------------------------ |
125 | // Object | |
126 | // ------------------------------------------------------------------------ | |
127 | ||
cbd4ad82 FC |
128 | @Override |
129 | public int hashCode() { | |
5d837f9b FC |
130 | final int prime = 31; |
131 | int result = 1; | |
ea271da6 | 132 | result = prime * result + ((fLocation == null) ? 0 : fLocation.hashCode()); |
5d837f9b FC |
133 | result = prime * result + ((fTimestamp == null) ? 0 : fTimestamp.hashCode()); |
134 | return result; | |
cbd4ad82 | 135 | } |
cbdacf03 | 136 | |
cbd4ad82 | 137 | @Override |
5d837f9b | 138 | public boolean equals(final Object obj) { |
0316808c | 139 | if (this == obj) { |
5d837f9b | 140 | return true; |
0316808c FC |
141 | } |
142 | if (obj == null) { | |
5d837f9b | 143 | return false; |
0316808c FC |
144 | } |
145 | if (!(obj instanceof TmfCheckpoint)) { | |
cbdacf03 | 146 | return false; |
0316808c | 147 | } |
5d837f9b | 148 | final TmfCheckpoint other = (TmfCheckpoint) obj; |
ea271da6 PT |
149 | if (fLocation == null) { |
150 | if (other.fLocation != null) { | |
5d837f9b | 151 | return false; |
0316808c | 152 | } |
ea271da6 | 153 | } else if (!fLocation.equals(other.fLocation)) { |
5d837f9b | 154 | return false; |
0316808c | 155 | } |
5d837f9b | 156 | if (fTimestamp == null) { |
0316808c | 157 | if (other.fTimestamp != null) { |
5d837f9b | 158 | return false; |
0316808c FC |
159 | } |
160 | } else if (!fTimestamp.equals(other.fTimestamp)) { | |
5d837f9b | 161 | return false; |
0316808c | 162 | } |
5d837f9b | 163 | return true; |
cbd4ad82 | 164 | } |
cbdacf03 | 165 | |
ff4ed569 | 166 | @Override |
3b38ea61 | 167 | @SuppressWarnings("nls") |
ff4ed569 | 168 | public String toString() { |
ea271da6 | 169 | return getClass().getSimpleName() + " [fLocation=" + fLocation + ", fTimestamp=" + fTimestamp + "]"; |
8c8bf09f ASL |
170 | } |
171 | ||
172 | } |