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d18dd09b ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009, 2010 Ericsson | |
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 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
4918b8f2 | 13 | package org.eclipse.linuxtools.tmf.tests.stubs.component; |
d18dd09b | 14 | |
3d62f8b7 FC |
15 | import java.util.concurrent.TimeUnit; |
16 | ||
6c13869b FC |
17 | import org.eclipse.linuxtools.tmf.core.component.ITmfDataProvider; |
18 | import org.eclipse.linuxtools.tmf.core.component.TmfEventProvider; | |
19 | import org.eclipse.linuxtools.tmf.core.component.TmfProviderManager; | |
20 | import org.eclipse.linuxtools.tmf.core.event.TmfEvent; | |
21 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; | |
22 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; | |
23 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
24 | import org.eclipse.linuxtools.tmf.core.request.TmfEventRequest; | |
25 | import org.eclipse.linuxtools.tmf.core.trace.ITmfContext; | |
26 | import org.eclipse.linuxtools.tmf.core.trace.TmfContext; | |
4918b8f2 | 27 | import org.eclipse.linuxtools.tmf.tests.stubs.event.TmfSyntheticEventStub; |
d18dd09b ASL |
28 | |
29 | /** | |
30 | * <b><u>TmfSyntheticEventProviderStub</u></b> | |
31 | * <p> | |
32 | * TODO: Implement me. Please. | |
33 | */ | |
3b38ea61 | 34 | @SuppressWarnings("nls") |
d18dd09b ASL |
35 | public class TmfSyntheticEventProviderStub extends TmfEventProvider<TmfSyntheticEventStub> { |
36 | ||
37 | public static final int BLOCK_SIZE = 100; | |
38 | public static final int NB_EVENTS = 1000; | |
39 | ||
40 | public TmfSyntheticEventProviderStub() { | |
ce785d7d | 41 | super("TmfSyntheticEventProviderStub", TmfSyntheticEventStub.class); |
d18dd09b ASL |
42 | } |
43 | ||
44 | @SuppressWarnings("unchecked") | |
45 | @Override | |
2fb2eb37 | 46 | public ITmfContext armRequest(final ITmfDataRequest<TmfSyntheticEventStub> request) { |
d18dd09b ASL |
47 | |
48 | // Get the TmfSyntheticEventStub provider | |
951d134a FC |
49 | ITmfDataProvider<TmfEvent>[] eventProviders = (ITmfDataProvider<TmfEvent>[]) TmfProviderManager.getProviders(TmfEvent.class, TmfEventProviderStub.class); |
50 | ITmfDataProvider<TmfEvent> provider = eventProviders[0]; | |
d18dd09b ASL |
51 | |
52 | // make sure we have the right type of request | |
2fb2eb37 | 53 | if (!(request instanceof ITmfEventRequest<?>)) { |
d18dd09b ASL |
54 | request.cancel(); |
55 | return null; | |
56 | } | |
57 | ||
58 | TmfEventRequest<TmfSyntheticEventStub> eventRequest = (TmfEventRequest<TmfSyntheticEventStub>) request; | |
59 | TmfTimeRange range = eventRequest.getRange(); | |
60 | final TmfEventRequest<TmfEvent> subRequest = | |
61 | new TmfEventRequest<TmfEvent>(TmfEvent.class, range, NB_EVENTS, BLOCK_SIZE) { | |
f9673903 FC |
62 | @Override |
63 | public void handleData(TmfEvent event) { | |
64 | super.handleData(event); | |
65 | if (event != null) | |
66 | handleIncomingData(event); | |
67 | else | |
68 | request.done(); | |
69 | } | |
d18dd09b | 70 | }; |
550d787e | 71 | provider.sendRequest(subRequest); |
d18dd09b ASL |
72 | |
73 | // Return a dummy context | |
74 | return new TmfContext(); | |
75 | } | |
76 | ||
77 | // Queue 2 synthetic events per base event | |
78 | private void handleIncomingData(TmfEvent e) { | |
3d62f8b7 FC |
79 | queueResult(new TmfSyntheticEventStub(e)); |
80 | queueResult(new TmfSyntheticEventStub(e)); | |
81 | } | |
82 | ||
83 | private static final int TIMEOUT = 10000; | |
84 | ||
9ccc6d01 | 85 | @Override |
3d62f8b7 FC |
86 | public TmfSyntheticEventStub getNext(ITmfContext context) { |
87 | TmfSyntheticEventStub data = null; | |
550d787e | 88 | try { |
3d62f8b7 FC |
89 | data = fDataQueue.poll(TIMEOUT, TimeUnit.MILLISECONDS); |
90 | if (data == null) { | |
91 | throw new InterruptedException(); | |
92 | } | |
93 | } | |
94 | catch (InterruptedException e) { | |
550d787e | 95 | } |
3d62f8b7 | 96 | return data; |
550d787e FC |
97 | } |
98 | ||
3d62f8b7 FC |
99 | public void queueResult(TmfSyntheticEventStub data) { |
100 | boolean ok = false; | |
101 | try { | |
102 | ok = fDataQueue.offer(data, TIMEOUT, TimeUnit.MILLISECONDS); | |
103 | if (!ok) { | |
104 | throw new InterruptedException(); | |
105 | } | |
106 | } | |
107 | catch (InterruptedException e) { | |
108 | } | |
d18dd09b | 109 | } |
3d62f8b7 | 110 | |
d18dd09b | 111 | } |