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132a02b0 | 1 | /******************************************************************************* |
61759503 | 2 | * Copyright (c) 2012, 2013 Ericsson |
132a02b0 MK |
3 | * |
4 | * All rights reserved. This program and the accompanying materials are made | |
5 | * 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: Matthew Khouzam - Initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.linuxtools.tmf.core.ctfadaptor; | |
12 | ||
032ecd45 MAL |
13 | import java.nio.ByteBuffer; |
14 | ||
132a02b0 | 15 | /** |
f5df94f8 | 16 | * The data object to go in a {@link CtfLocation}. |
132a02b0 MK |
17 | * |
18 | * @author Matthew Khouzam | |
19 | * @since 2.0 | |
20 | */ | |
f5df94f8 | 21 | public class CtfLocationInfo implements Comparable<CtfLocationInfo> { |
132a02b0 MK |
22 | |
23 | private final long timestamp; | |
24 | private final long index; | |
25 | ||
26 | /** | |
27 | * @param ts | |
28 | * Timestamp | |
29 | * @param index | |
30 | * Index of this event (if there are N elements with the same | |
31 | * timestamp, which one is it.) | |
32 | */ | |
f5df94f8 | 33 | public CtfLocationInfo(long ts, long index) { |
132a02b0 MK |
34 | this.timestamp = ts; |
35 | this.index = index; | |
36 | } | |
37 | ||
032ecd45 MAL |
38 | /** |
39 | * Construct the location from the ByteBuffer. | |
40 | * | |
41 | * @param bufferIn | |
42 | * the buffer to read from | |
43 | * | |
44 | * @since 3.0 | |
45 | */ | |
46 | public CtfLocationInfo(ByteBuffer bufferIn) { | |
47 | timestamp = bufferIn.getLong(); | |
48 | index = bufferIn.getLong(); | |
49 | } | |
50 | ||
132a02b0 MK |
51 | /** |
52 | * @return The timestamp | |
53 | */ | |
54 | public long getTimestamp() { | |
55 | return timestamp; | |
56 | } | |
57 | ||
58 | /** | |
59 | * @return The index of the element | |
60 | */ | |
61 | public long getIndex() { | |
62 | return index; | |
63 | } | |
64 | ||
f5df94f8 AM |
65 | // ------------------------------------------------------------------------ |
66 | // Object | |
67 | // ------------------------------------------------------------------------ | |
68 | ||
132a02b0 MK |
69 | @Override |
70 | public int hashCode() { | |
71 | final int prime = 31; | |
72 | int result = 1; | |
73 | result = (prime * result) + (int) (index ^ (index >>> 32)); | |
74 | result = (prime * result) + (int) (timestamp ^ (timestamp >>> 32)); | |
75 | return result; | |
76 | } | |
77 | ||
132a02b0 MK |
78 | @Override |
79 | public boolean equals(Object obj) { | |
80 | if (this == obj) { | |
81 | return true; | |
82 | } | |
83 | if (obj == null) { | |
84 | return false; | |
85 | } | |
f5df94f8 | 86 | if (!(obj instanceof CtfLocationInfo)) { |
132a02b0 MK |
87 | return false; |
88 | } | |
f5df94f8 | 89 | CtfLocationInfo other = (CtfLocationInfo) obj; |
132a02b0 MK |
90 | if (index != other.index) { |
91 | return false; | |
92 | } | |
93 | if (timestamp != other.timestamp) { | |
94 | return false; | |
95 | } | |
96 | return true; | |
97 | } | |
98 | ||
132a02b0 MK |
99 | @Override |
100 | public String toString() { | |
101 | return "Element [" + timestamp + '/' + index + ']'; //$NON-NLS-1$ | |
102 | } | |
103 | ||
f5df94f8 AM |
104 | // ------------------------------------------------------------------------ |
105 | // Comparable | |
106 | // ------------------------------------------------------------------------ | |
107 | ||
132a02b0 | 108 | @Override |
f5df94f8 | 109 | public int compareTo(CtfLocationInfo other) { |
132a02b0 MK |
110 | if (this.timestamp > other.getTimestamp()) { |
111 | return 1; | |
112 | } | |
113 | if (this.timestamp < other.getTimestamp()) { | |
114 | return -1; | |
115 | } | |
116 | if (this.index > other.getIndex()) { | |
117 | return 1; | |
118 | } | |
119 | if (this.index < other.getIndex()) { | |
120 | return -1; | |
121 | } | |
122 | return 0; | |
123 | } | |
124 | ||
032ecd45 MAL |
125 | /** |
126 | * Write the location to the ByteBuffer so that it can be saved to disk. | |
127 | * | |
128 | * @param bufferOut | |
129 | * the buffer to write to | |
130 | * | |
131 | * @since 3.0 | |
132 | */ | |
133 | public void serialize(ByteBuffer bufferOut) { | |
134 | bufferOut.putLong(timestamp); | |
135 | bufferOut.putLong(index); | |
032ecd45 | 136 | } |
132a02b0 | 137 | } |