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1 | /******************************************************************************* |
2 | * Copyright (c) 2012 Ericsson | |
3 | * Copyright (c) 2010, 2011 École Polytechnique de Montréal | |
4 | * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com> | |
5 | * | |
6 | * All rights reserved. This program and the accompanying materials are | |
7 | * made available under the terms of the Eclipse Public License v1.0 which | |
8 | * accompanies this distribution, and is available at | |
9 | * http://www.eclipse.org/legal/epl-v10.html | |
10 | * | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.core.interval; | |
14 | ||
15 | import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue; | |
16 | ||
17 | /** | |
18 | * The StateInterval represents the "state" a particular attribute was in, at a | |
19 | * given time. It is the main object being returned from queries to the state | |
20 | * system. | |
21 | * | |
22 | ||
23 | * | |
24 | * @author alexmont | |
25 | * | |
26 | */ | |
27 | public final class TmfStateInterval implements ITmfStateInterval { | |
28 | ||
29 | private final long start; | |
30 | private final long end; | |
31 | private final int attribute; | |
32 | private final ITmfStateValue sv; | |
33 | ||
34 | /** | |
35 | * Construct an interval from its given parameters | |
36 | * | |
37 | * @param start | |
38 | * @param end | |
39 | * @param attribute | |
40 | * @param sv | |
41 | */ | |
42 | public TmfStateInterval(long start, long end, int attribute, | |
43 | ITmfStateValue sv) { | |
44 | this.start = start; | |
45 | this.end = end; | |
46 | this.attribute = attribute; | |
47 | this.sv = sv; | |
48 | } | |
49 | ||
50 | @Override | |
51 | public long getStartTime() { | |
52 | return start; | |
53 | } | |
54 | ||
55 | @Override | |
56 | public long getEndTime() { | |
57 | return end; | |
58 | } | |
59 | ||
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60 | @Override |
61 | public long getViewerEndTime() { | |
62 | return end + 1; | |
63 | } | |
64 | ||
a52fde77 AM |
65 | @Override |
66 | public int getAttribute() { | |
67 | return attribute; | |
68 | } | |
69 | ||
70 | @Override | |
71 | public ITmfStateValue getStateValue() { | |
72 | return sv; | |
73 | } | |
74 | ||
75 | @Override | |
76 | public boolean intersects(long timestamp) { | |
77 | if (start <= timestamp) { | |
78 | if (end >= timestamp) { | |
79 | return true; | |
80 | } | |
81 | } | |
82 | return false; | |
83 | } | |
84 | ||
85 | @Override | |
86 | public String toString() { | |
87 | /* Only used for debugging */ | |
88 | StringBuffer buf = new StringBuffer(start + " to "); //$NON-NLS-1$ | |
89 | buf.append(end + ' '); | |
90 | buf.append(String.format("key = %4d, ", attribute)); //$NON-NLS-1$ | |
91 | buf.append("value = " + sv.toString()); //$NON-NLS-1$ | |
92 | return buf.toString(); | |
93 | } | |
94 | ||
95 | } |