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d18dd09b | 1 | /******************************************************************************* |
61759503 | 2 | * Copyright (c) 2009, 2013 Ericsson |
54a7a54c | 3 | * |
d18dd09b ASL |
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 | |
54a7a54c | 8 | * |
d18dd09b ASL |
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 | ||
8fd82db5 | 17 | import org.eclipse.linuxtools.internal.tmf.core.component.TmfProviderManager; |
5419a136 | 18 | import org.eclipse.linuxtools.tmf.core.component.ITmfDataProvider; |
6c13869b | 19 | import org.eclipse.linuxtools.tmf.core.component.TmfEventProvider; |
6256d8ad | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
5419a136 AM |
21 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest; |
22 | import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest; | |
6c13869b | 23 | import org.eclipse.linuxtools.tmf.core.request.TmfEventRequest; |
3bd46eef | 24 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange; |
6c13869b FC |
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 | */ | |
5419a136 | 34 | @SuppressWarnings({"nls","javadoc"}) |
6256d8ad | 35 | public class TmfSyntheticEventProviderStub extends TmfEventProvider { |
d18dd09b ASL |
36 | |
37 | public static final int BLOCK_SIZE = 100; | |
38 | public static final int NB_EVENTS = 1000; | |
39 | ||
40 | public TmfSyntheticEventProviderStub() { | |
085d898f FC |
41 | super("TmfSyntheticEventProviderStub", TmfSyntheticEventStub.class); |
42 | } | |
d18dd09b | 43 | |
085d898f | 44 | @Override |
5419a136 | 45 | public ITmfContext armRequest(final ITmfDataRequest request) { |
d18dd09b | 46 | |
085d898f | 47 | // Get the TmfSyntheticEventStub provider |
2771b032 | 48 | final ITmfDataProvider[] eventProviders = TmfProviderManager.getProviders(ITmfEvent.class, TmfEventProviderStub.class); |
5419a136 AM |
49 | final ITmfDataProvider provider = eventProviders[0]; |
50 | ||
51 | // make sure we have the right type of request | |
52 | if (!(request instanceof ITmfEventRequest)) { | |
53 | request.cancel(); | |
54 | return null; | |
55 | } | |
d18dd09b | 56 | |
6256d8ad | 57 | final TmfEventRequest eventRequest = (TmfEventRequest) request; |
085d898f | 58 | final TmfTimeRange range = eventRequest.getRange(); |
6256d8ad | 59 | final TmfEventRequest subRequest = |
2771b032 | 60 | new TmfEventRequest(ITmfEvent.class, range, NB_EVENTS, BLOCK_SIZE) { |
085d898f | 61 | @Override |
6256d8ad | 62 | public void handleData(final ITmfEvent event) { |
085d898f | 63 | super.handleData(event); |
54a7a54c | 64 | if (event != null) { |
085d898f | 65 | handleIncomingData(event); |
54a7a54c | 66 | } else { |
085d898f | 67 | request.done(); |
54a7a54c | 68 | } |
085d898f FC |
69 | } |
70 | }; | |
550d787e | 71 | provider.sendRequest(subRequest); |
d18dd09b ASL |
72 | |
73 | // Return a dummy context | |
74 | return new TmfContext(); | |
085d898f FC |
75 | } |
76 | ||
77 | // Queue 2 synthetic events per base event | |
6256d8ad | 78 | private void handleIncomingData(final ITmfEvent e) { |
085d898f FC |
79 | queueResult(new TmfSyntheticEventStub(e)); |
80 | queueResult(new TmfSyntheticEventStub(e)); | |
81 | } | |
82 | ||
83 | private static final int TIMEOUT = 10000; | |
84 | ||
85 | @Override | |
86 | public TmfSyntheticEventStub getNext(final ITmfContext context) { | |
87 | TmfSyntheticEventStub data = null; | |
88 | try { | |
6256d8ad | 89 | data = (TmfSyntheticEventStub) fDataQueue.poll(TIMEOUT, TimeUnit.MILLISECONDS); |
54a7a54c | 90 | if (data == null) { |
085d898f | 91 | throw new InterruptedException(); |
54a7a54c | 92 | } |
085d898f FC |
93 | } |
94 | catch (final InterruptedException e) { | |
95 | } | |
96 | return data; | |
97 | } | |
98 | ||
99 | public void queueResult(final TmfSyntheticEventStub data) { | |
100 | boolean ok = false; | |
101 | try { | |
102 | ok = fDataQueue.offer(data, TIMEOUT, TimeUnit.MILLISECONDS); | |
54a7a54c | 103 | if (!ok) { |
085d898f | 104 | throw new InterruptedException(); |
54a7a54c | 105 | } |
085d898f FC |
106 | } |
107 | catch (final InterruptedException e) { | |
108 | } | |
109 | } | |
3d62f8b7 | 110 | |
d18dd09b | 111 | } |