projects / deliverable / tracecompass.git / blame
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|---|---|---|
| a52fde77 AM |
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 | ||
| 60 | @Override | |
| 61 | public int getAttribute() { | |
| 62 | return attribute; | |
| 63 | } | |
| 64 | ||
| 65 | @Override | |
| 66 | public ITmfStateValue getStateValue() { | |
| 67 | return sv; | |
| 68 | } | |
| 69 | ||
| 70 | @Override | |
| 71 | public boolean intersects(long timestamp) { | |
| 72 | if (start <= timestamp) { | |
| 73 | if (end >= timestamp) { | |
| 74 | return true; | |
| 75 | } | |
| 76 | } | |
| 77 | return false; | |
| 78 | } | |
| 79 | ||
| 80 | @Override | |
| 81 | public String toString() { | |
| 82 | /* Only used for debugging */ | |
| 83 | StringBuffer buf = new StringBuffer(start + " to "); //$NON-NLS-1$ | |
| 84 | buf.append(end + ' '); | |
| 85 | buf.append(String.format("key = %4d, ", attribute)); //$NON-NLS-1$ | |
| 86 | buf.append("value = " + sv.toString()); //$NON-NLS-1$ | |
| 87 | return buf.toString(); | |
| 88 | } | |
| 89 | ||
| 90 | } |