projects / deliverable / tracecompass.git / blame
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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 | ||
| 13 | package org.eclipse.linuxtools.tmf.component; | |
| 14 | ||
| 15 | import org.eclipse.linuxtools.tmf.event.TmfEvent; | |
| 16 | import org.eclipse.linuxtools.tmf.event.TmfSyntheticEventStub; | |
| 17 | import org.eclipse.linuxtools.tmf.event.TmfTimeRange; | |
| fc6ccf6f | 18 | import org.eclipse.linuxtools.tmf.request.TmfDataRequest; |
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19 | import org.eclipse.linuxtools.tmf.request.TmfEventRequest; |
| 20 | import org.eclipse.linuxtools.tmf.trace.ITmfContext; | |
| 21 | import org.eclipse.linuxtools.tmf.trace.TmfContext; | |
| 22 | ||
| 23 | /** | |
| 24 | * <b><u>TmfSyntheticEventProviderStub</u></b> | |
| 25 | * <p> | |
| 26 | * TODO: Implement me. Please. | |
| 27 | */ | |
| 28 | public class TmfSyntheticEventProviderStub extends TmfEventProvider<TmfSyntheticEventStub> { | |
| 29 | ||
| 30 | public static final int BLOCK_SIZE = 100; | |
| 31 | public static final int NB_EVENTS = 1000; | |
| 32 | ||
| 33 | public TmfSyntheticEventProviderStub() { | |
| fc6ccf6f | 34 | super(TmfSyntheticEventStub.class); |
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35 | } |
| 36 | ||
| cbd4ad82 FC |
37 | @Override |
| 38 | public void register() { | |
| 39 | super.register(); | |
| 40 | } | |
| 41 | ||
| 54d55ced FC |
42 | @Override |
| 43 | public void deregister() { | |
| 44 | super.deregister(); | |
| 45 | } | |
| 46 | ||
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47 | @SuppressWarnings("unchecked") |
| 48 | @Override | |
| fc6ccf6f | 49 | public ITmfContext armRequest(final TmfDataRequest<TmfSyntheticEventStub> request) { |
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50 | |
| 51 | // Get the TmfSyntheticEventStub provider | |
| 951d134a FC |
52 | ITmfDataProvider<TmfEvent>[] eventProviders = (ITmfDataProvider<TmfEvent>[]) TmfProviderManager.getProviders(TmfEvent.class, TmfEventProviderStub.class); |
| 53 | ITmfDataProvider<TmfEvent> provider = eventProviders[0]; | |
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54 | |
| 55 | // make sure we have the right type of request | |
| fc6ccf6f | 56 | if (!(request instanceof TmfEventRequest<?>)) { |
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57 | request.cancel(); |
| 58 | return null; | |
| 59 | } | |
| 60 | ||
| 61 | TmfEventRequest<TmfSyntheticEventStub> eventRequest = (TmfEventRequest<TmfSyntheticEventStub>) request; | |
| 62 | TmfTimeRange range = eventRequest.getRange(); | |
| 63 | final TmfEventRequest<TmfEvent> subRequest = | |
| 64 | new TmfEventRequest<TmfEvent>(TmfEvent.class, range, NB_EVENTS, BLOCK_SIZE) { | |
| 65 | @Override | |
| 66 | public void handleData() { | |
| 67 | TmfEvent[] events = getData(); | |
| 68 | if (events.length > 0) { | |
| 69 | for (TmfEvent e : events) { | |
| 70 | handleIncomingData(e); | |
| 71 | } | |
| 72 | } else { | |
| 73 | request.done(); | |
| 74 | } | |
| 75 | } | |
| 76 | }; | |
| 951d134a | 77 | provider.sendRequest(subRequest); // , false); |
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78 | |
| 79 | // Return a dummy context | |
| 80 | return new TmfContext(); | |
| 81 | } | |
| 82 | ||
| 83 | // Queue 2 synthetic events per base event | |
| 84 | private void handleIncomingData(TmfEvent e) { | |
| fc6ccf6f FC |
85 | queueResult(new TmfSyntheticEventStub(e)); |
| 86 | queueResult(new TmfSyntheticEventStub(e)); | |
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87 | } |
| 88 | ||
| 89 | } |