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1 | /******************************************************************************* |
2 | * Copyright (c) 2014 École Polytechnique de Montréal | |
3 | * | |
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 | |
8 | * | |
9 | * Contributors: | |
10 | * Geneviève Bastien - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.tests.stubs.analysis; | |
14 | ||
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15 | import java.util.HashSet; |
16 | import java.util.Set; | |
17 | ||
18 | import org.eclipse.linuxtools.statesystem.core.exceptions.AttributeNotFoundException; | |
19 | import org.eclipse.linuxtools.statesystem.core.exceptions.StateValueTypeException; | |
20 | import org.eclipse.linuxtools.statesystem.core.exceptions.TimeRangeException; | |
21 | import org.eclipse.linuxtools.statesystem.core.statevalue.TmfStateValue; | |
22 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; | |
23 | import org.eclipse.linuxtools.tmf.core.event.TmfEvent; | |
24 | import org.eclipse.linuxtools.tmf.core.statesystem.AbstractTmfStateProvider; | |
25 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateProvider; | |
26 | import org.eclipse.linuxtools.tmf.core.statesystem.TmfStateSystemAnalysisModule; | |
27 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
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28 | |
29 | /** | |
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30 | * Stubs for experiment analysis. This analysis is a state system analysis that |
31 | * simply counts the number of traces for which events were received. The number | |
32 | * of traces is the value of attribute | |
33 | * {@link TestExperimentAnalysis#TRACE_QUARK_NAME}. | |
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34 | * |
35 | * @author Geneviève Bastien | |
36 | */ | |
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37 | public class TestExperimentAnalysis extends TmfStateSystemAnalysisModule { |
38 | ||
39 | /** | |
40 | * The quark counting the number of traces | |
41 | */ | |
42 | public static final String TRACE_QUARK_NAME = "Traces"; | |
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43 | |
44 | @Override | |
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45 | protected ITmfStateProvider createStateProvider() { |
46 | return new TestExpStateSystemProvider(getTrace()); | |
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47 | } |
48 | ||
49 | @Override | |
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50 | protected StateSystemBackendType getBackendType() { |
51 | return StateSystemBackendType.INMEM; | |
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52 | } |
53 | ||
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54 | private class TestExpStateSystemProvider extends AbstractTmfStateProvider { |
55 | ||
56 | private static final int VERSION = 1; | |
57 | private final Set<ITmfTrace> fTraces = new HashSet<>(); | |
58 | private int fCount = 0; | |
59 | ||
60 | /** | |
61 | * Constructor | |
62 | * | |
63 | * @param trace | |
64 | * The LTTng 2.0 kernel trace directory | |
65 | */ | |
66 | public TestExpStateSystemProvider(ITmfTrace trace) { | |
67 | super(trace, TmfEvent.class, "Stub State System for Experiment"); | |
68 | } | |
69 | ||
70 | @Override | |
71 | public int getVersion() { | |
72 | return VERSION; | |
73 | } | |
74 | ||
75 | @Override | |
76 | public ITmfStateProvider getNewInstance() { | |
77 | return new TestExpStateSystemProvider(this.getTrace()); | |
78 | } | |
79 | ||
80 | @Override | |
81 | protected void eventHandle(ITmfEvent event) { | |
82 | if (!fTraces.contains(event.getTrace())) { | |
83 | try { | |
84 | int quarkId = ss.getQuarkAbsoluteAndAdd(TRACE_QUARK_NAME); | |
85 | ss.modifyAttribute(event.getTimestamp().getValue(), TmfStateValue.newValueInt(++fCount), quarkId); | |
86 | fTraces.add(event.getTrace()); | |
87 | } catch (TimeRangeException | AttributeNotFoundException | StateValueTypeException e) { | |
88 | ||
89 | } | |
90 | } | |
91 | } | |
92 | } | |
6a6adab9 | 93 | } |