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a52fde77 | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2012, 2014 Ericsson |
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3 | * Copyright (c) 2010, 2011 École Polytechnique de Montréal |
4 | * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com> | |
5df842b3 | 5 | * |
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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 | |
5df842b3 | 10 | * |
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11 | *******************************************************************************/ |
12 | ||
e894a508 | 13 | package org.eclipse.tracecompass.statesystem.core.interval; |
a52fde77 | 14 | |
e894a508 | 15 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; |
a52fde77 | 16 | |
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17 | import com.google.common.base.Objects; |
18 | ||
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19 | /** |
20 | * The StateInterval represents the "state" a particular attribute was in, at a | |
21 | * given time. It is the main object being returned from queries to the state | |
22 | * system. | |
5df842b3 | 23 | * |
2cb26548 | 24 | * @author Alexandre Montplaisir |
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25 | */ |
26 | public final class TmfStateInterval implements ITmfStateInterval { | |
27 | ||
28 | private final long start; | |
29 | private final long end; | |
30 | private final int attribute; | |
31 | private final ITmfStateValue sv; | |
32 | ||
33 | /** | |
34 | * Construct an interval from its given parameters | |
5df842b3 | 35 | * |
a52fde77 | 36 | * @param start |
5df842b3 | 37 | * Start time |
a52fde77 | 38 | * @param end |
5df842b3 | 39 | * End time |
a52fde77 | 40 | * @param attribute |
5df842b3 | 41 | * Attribute linked to this interval |
a52fde77 | 42 | * @param sv |
5df842b3 | 43 | * State value this interval will contain |
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44 | */ |
45 | public TmfStateInterval(long start, long end, int attribute, | |
46 | ITmfStateValue sv) { | |
47 | this.start = start; | |
48 | this.end = end; | |
49 | this.attribute = attribute; | |
50 | this.sv = sv; | |
51 | } | |
52 | ||
53 | @Override | |
54 | public long getStartTime() { | |
55 | return start; | |
56 | } | |
57 | ||
58 | @Override | |
59 | public long getEndTime() { | |
60 | return end; | |
61 | } | |
62 | ||
63 | @Override | |
64 | public int getAttribute() { | |
65 | return attribute; | |
66 | } | |
67 | ||
68 | @Override | |
69 | public ITmfStateValue getStateValue() { | |
70 | return sv; | |
71 | } | |
72 | ||
73 | @Override | |
74 | public boolean intersects(long timestamp) { | |
75 | if (start <= timestamp) { | |
76 | if (end >= timestamp) { | |
77 | return true; | |
78 | } | |
79 | } | |
80 | return false; | |
81 | } | |
82 | ||
83 | @Override | |
84 | public String toString() { | |
85 | /* Only used for debugging */ | |
ab400cf1 AM |
86 | return Objects.toStringHelper(this) |
87 | .add("start", start) //$NON-NLS-1$ | |
88 | .add("end", end) //$NON-NLS-1$ | |
89 | .add("key", attribute) //$NON-NLS-1$ | |
90 | .add("value", sv.toString()) //$NON-NLS-1$ | |
91 | .toString(); | |
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92 | } |
93 | ||
94 | } |