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6a6adab9 | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2014, 2015 École Polytechnique de Montréal |
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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 | ||
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.tests.stubs.analysis; |
6a6adab9 | 14 | |
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15 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
16 | ||
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17 | import java.util.HashSet; |
18 | import java.util.Set; | |
19 | ||
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20 | import org.eclipse.jdt.annotation.NonNull; |
21 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystemBuilder; | |
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22 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; |
23 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; | |
24 | import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException; | |
25 | import org.eclipse.tracecompass.statesystem.core.statevalue.TmfStateValue; | |
2bdf0193 | 26 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
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27 | import org.eclipse.tracecompass.tmf.core.statesystem.AbstractTmfStateProvider; |
28 | import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider; | |
29 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; | |
30 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
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31 | |
32 | /** | |
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33 | * Stubs for experiment analysis. This analysis is a state system analysis that |
34 | * simply counts the number of traces for which events were received. The number | |
35 | * of traces is the value of attribute | |
36 | * {@link TestExperimentAnalysis#TRACE_QUARK_NAME}. | |
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37 | * |
38 | * @author Geneviève Bastien | |
39 | */ | |
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40 | public class TestExperimentAnalysis extends TmfStateSystemAnalysisModule { |
41 | ||
42 | /** | |
43 | * The quark counting the number of traces | |
44 | */ | |
45 | public static final String TRACE_QUARK_NAME = "Traces"; | |
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46 | |
47 | @Override | |
2d208fb7 | 48 | protected ITmfStateProvider createStateProvider() { |
d0c7e4ba | 49 | return new TestExpStateSystemProvider(checkNotNull(getTrace())); |
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50 | } |
51 | ||
52 | @Override | |
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53 | protected StateSystemBackendType getBackendType() { |
54 | return StateSystemBackendType.INMEM; | |
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55 | } |
56 | ||
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57 | private class TestExpStateSystemProvider extends AbstractTmfStateProvider { |
58 | ||
59 | private static final int VERSION = 1; | |
60 | private final Set<ITmfTrace> fTraces = new HashSet<>(); | |
61 | private int fCount = 0; | |
62 | ||
63 | /** | |
64 | * Constructor | |
65 | * | |
66 | * @param trace | |
67 | * The LTTng 2.0 kernel trace directory | |
68 | */ | |
d0c7e4ba | 69 | public TestExpStateSystemProvider(@NonNull ITmfTrace trace) { |
e2bcc8a5 | 70 | super(trace, "Stub State System for Experiment"); |
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71 | } |
72 | ||
73 | @Override | |
74 | public int getVersion() { | |
75 | return VERSION; | |
76 | } | |
77 | ||
78 | @Override | |
79 | public ITmfStateProvider getNewInstance() { | |
80 | return new TestExpStateSystemProvider(this.getTrace()); | |
81 | } | |
82 | ||
83 | @Override | |
84 | protected void eventHandle(ITmfEvent event) { | |
d0c7e4ba | 85 | ITmfStateSystemBuilder ss = checkNotNull(getStateSystemBuilder()); |
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86 | if (!fTraces.contains(event.getTrace())) { |
87 | try { | |
88 | int quarkId = ss.getQuarkAbsoluteAndAdd(TRACE_QUARK_NAME); | |
89 | ss.modifyAttribute(event.getTimestamp().getValue(), TmfStateValue.newValueInt(++fCount), quarkId); | |
90 | fTraces.add(event.getTrace()); | |
91 | } catch (TimeRangeException | AttributeNotFoundException | StateValueTypeException e) { | |
92 | ||
93 | } | |
94 | } | |
95 | } | |
96 | } | |
6a6adab9 | 97 | } |