Commit | Line | Data |
---|---|---|
8c8bf09f | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2009, 2014 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 | |
2bdf0193 | 15 | package org.eclipse.tracecompass.tmf.core.trace.indexer.checkpoint; |
8c8bf09f | 16 | |
032ecd45 MAL |
17 | import java.nio.ByteBuffer; |
18 | ||
2bdf0193 AM |
19 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
20 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp; | |
21 | import org.eclipse.tracecompass.tmf.core.trace.location.ITmfLocation; | |
8c8bf09f ASL |
22 | |
23 | /** | |
2848c377 FC |
24 | * A basic implementation of ITmfCheckpoint. It simply maps an event timestamp |
25 | * to a generic location. | |
6256d8ad | 26 | * |
f7703ed6 FC |
27 | * @see ITmfLocation |
28 | * @see ITmfTimestamp | |
a3db8436 AM |
29 | * |
30 | * @author Francois Chouinard | |
8c8bf09f | 31 | */ |
a12b0e0f | 32 | public class TmfCheckpoint implements ITmfCheckpoint { |
8c8bf09f ASL |
33 | |
34 | // ------------------------------------------------------------------------ | |
35 | // Attributes | |
36 | // ------------------------------------------------------------------------ | |
cbdacf03 | 37 | |
ea271da6 PT |
38 | // The checkpoint location |
39 | private final ITmfLocation fLocation; | |
5d837f9b FC |
40 | |
41 | // The checkpoint timestamp | |
a12b0e0f | 42 | private final ITmfTimestamp fTimestamp; |
8c8bf09f | 43 | |
032ecd45 MAL |
44 | private final long fCheckpointRank; |
45 | ||
8c8bf09f ASL |
46 | // ------------------------------------------------------------------------ |
47 | // Constructors | |
48 | // ------------------------------------------------------------------------ | |
49 | ||
8c8bf09f | 50 | /** |
5d837f9b | 51 | * Full constructor |
6256d8ad | 52 | * |
032ecd45 MAL |
53 | * @param timestamp |
54 | * the checkpoint timestamp | |
55 | * @param location | |
56 | * the corresponding trace location | |
57 | * @param checkpointRank | |
58 | * the rank of the checkpoint | |
032ecd45 MAL |
59 | */ |
60 | public TmfCheckpoint(final ITmfTimestamp timestamp, final ITmfLocation location, long checkpointRank) { | |
61 | fTimestamp = timestamp; | |
62 | fLocation = location; | |
63 | fCheckpointRank = checkpointRank; | |
64 | } | |
65 | ||
66 | /** | |
67 | * Constructs a checkpoint using also a byte buffer to read the rank from | |
68 | * disk. | |
69 | * | |
70 | * @param timestamp | |
71 | * the checkpoint timestamp | |
72 | * @param location | |
73 | * the corresponding trace location | |
74 | * @param bufferIn | |
75 | * the byte buffer to read from | |
8c8bf09f | 76 | */ |
032ecd45 | 77 | public TmfCheckpoint(final ITmfTimestamp timestamp, final ITmfLocation location, ByteBuffer bufferIn) { |
5d837f9b | 78 | fTimestamp = timestamp; |
ea271da6 | 79 | fLocation = location; |
032ecd45 | 80 | fCheckpointRank = bufferIn.getLong(); |
8c8bf09f ASL |
81 | } |
82 | ||
ff4ed569 | 83 | /** |
5d837f9b | 84 | * Copy constructor |
6256d8ad | 85 | * |
ff4ed569 FC |
86 | * @param other the other checkpoint |
87 | */ | |
cbdacf03 | 88 | public TmfCheckpoint(final TmfCheckpoint other) { |
0316808c | 89 | if (other == null) { |
cbdacf03 | 90 | throw new IllegalArgumentException(); |
0316808c | 91 | } |
5d837f9b | 92 | fTimestamp = other.fTimestamp; |
ea271da6 | 93 | fLocation = other.fLocation; |
032ecd45 | 94 | fCheckpointRank = other.fCheckpointRank; |
5d837f9b FC |
95 | } |
96 | ||
8c8bf09f | 97 | // ------------------------------------------------------------------------ |
8ca8c4f1 | 98 | // ITmfCheckpoint |
8c8bf09f ASL |
99 | // ------------------------------------------------------------------------ |
100 | ||
5d837f9b | 101 | @Override |
4df4581d | 102 | public ITmfTimestamp getTimestamp() { |
8c8bf09f ASL |
103 | return fTimestamp; |
104 | } | |
105 | ||
37419bf3 | 106 | @Override |
1e1bef82 | 107 | public ITmfLocation getLocation() { |
ea271da6 | 108 | return fLocation; |
8c8bf09f ASL |
109 | } |
110 | ||
cbd4ad82 | 111 | // ------------------------------------------------------------------------ |
5d837f9b | 112 | // Comparable |
cbd4ad82 FC |
113 | // ------------------------------------------------------------------------ |
114 | ||
550d787e | 115 | @Override |
ff1ccee6 | 116 | @SuppressWarnings({ "unchecked", "rawtypes" }) |
5d837f9b | 117 | public int compareTo(final ITmfCheckpoint other) { |
3eade83c BH |
118 | int comp = 0; |
119 | if ((fTimestamp != null) && (other.getTimestamp() != null)) { | |
065cc19b | 120 | comp = fTimestamp.compareTo(other.getTimestamp()); |
3eade83c BH |
121 | if (comp != 0) { |
122 | return comp; | |
123 | } | |
124 | // compare locations if timestamps are the same | |
cbdacf03 | 125 | } |
3eade83c | 126 | |
ea271da6 | 127 | if ((fLocation == null) && (other.getLocation() == null)) { |
3eade83c BH |
128 | return 0; |
129 | } | |
130 | ||
131 | // treat location of other as null location which is before any location | |
ea271da6 | 132 | if ((fLocation != null) && (other.getLocation() == null)) { |
3eade83c BH |
133 | return 1; |
134 | } | |
135 | ||
136 | // treat this as null location which is before any other locations | |
ea271da6 | 137 | if ((fLocation == null) && (other.getLocation() != null)) { |
3eade83c BH |
138 | return -1; |
139 | } | |
140 | ||
141 | // compare location | |
142 | final Comparable location1 = getLocation().getLocationInfo(); | |
143 | final Comparable location2 = other.getLocation().getLocationInfo(); | |
144 | return location1.compareTo(location2); | |
550d787e | 145 | } |
cbdacf03 | 146 | |
5d837f9b FC |
147 | // ------------------------------------------------------------------------ |
148 | // Object | |
149 | // ------------------------------------------------------------------------ | |
150 | ||
cbd4ad82 FC |
151 | @Override |
152 | public int hashCode() { | |
5d837f9b FC |
153 | final int prime = 31; |
154 | int result = 1; | |
ea271da6 | 155 | result = prime * result + ((fLocation == null) ? 0 : fLocation.hashCode()); |
5d837f9b FC |
156 | result = prime * result + ((fTimestamp == null) ? 0 : fTimestamp.hashCode()); |
157 | return result; | |
cbd4ad82 | 158 | } |
cbdacf03 | 159 | |
cbd4ad82 | 160 | @Override |
5d837f9b | 161 | public boolean equals(final Object obj) { |
0316808c | 162 | if (this == obj) { |
5d837f9b | 163 | return true; |
0316808c FC |
164 | } |
165 | if (obj == null) { | |
5d837f9b | 166 | return false; |
0316808c FC |
167 | } |
168 | if (!(obj instanceof TmfCheckpoint)) { | |
cbdacf03 | 169 | return false; |
0316808c | 170 | } |
5d837f9b | 171 | final TmfCheckpoint other = (TmfCheckpoint) obj; |
ea271da6 PT |
172 | if (fLocation == null) { |
173 | if (other.fLocation != null) { | |
5d837f9b | 174 | return false; |
0316808c | 175 | } |
ea271da6 | 176 | } else if (!fLocation.equals(other.fLocation)) { |
5d837f9b | 177 | return false; |
0316808c | 178 | } |
5d837f9b | 179 | if (fTimestamp == null) { |
0316808c | 180 | if (other.fTimestamp != null) { |
5d837f9b | 181 | return false; |
0316808c FC |
182 | } |
183 | } else if (!fTimestamp.equals(other.fTimestamp)) { | |
5d837f9b | 184 | return false; |
0316808c | 185 | } |
5d837f9b | 186 | return true; |
cbd4ad82 | 187 | } |
cbdacf03 | 188 | |
ff4ed569 | 189 | @Override |
3b38ea61 | 190 | @SuppressWarnings("nls") |
ff4ed569 | 191 | public String toString() { |
032ecd45 | 192 | return getClass().getSimpleName() + " [fLocation=" + fLocation + ", fTimestamp=" + fTimestamp + ", fCheckpointRank=" + fCheckpointRank + "]"; |
8c8bf09f ASL |
193 | } |
194 | ||
032ecd45 MAL |
195 | @Override |
196 | public void serialize(ByteBuffer bufferOut) { | |
197 | fLocation.serialize(bufferOut); | |
198 | // Always serialize as base TmfTimestamp, this should be sufficient for indexing. | |
199 | // If not, we can add API for the test to restore the time stamp, similarly to the location. | |
200 | TmfTimestamp t = new TmfTimestamp(fTimestamp); | |
201 | t.serialize(bufferOut); | |
202 | bufferOut.putLong(fCheckpointRank); | |
203 | } | |
204 | ||
032ecd45 MAL |
205 | @Override |
206 | public long getCheckpointRank() { | |
207 | return fCheckpointRank; | |
208 | } | |
8c8bf09f | 209 | } |