| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2015 Ericsson and others |
| 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 | |
| 10 | package org.eclipse.tracecompass.lttng2.ust.core.trace; |
| 11 | |
| 12 | import org.eclipse.jdt.annotation.NonNull; |
| 13 | import org.eclipse.jdt.annotation.Nullable; |
| 14 | import org.eclipse.tracecompass.ctf.core.CTFStrings; |
| 15 | import org.eclipse.tracecompass.ctf.core.event.IEventDeclaration; |
| 16 | import org.eclipse.tracecompass.ctf.core.event.IEventDefinition; |
| 17 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
| 18 | import org.eclipse.tracecompass.tmf.core.trace.ITmfContext; |
| 19 | import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEvent; |
| 20 | import org.eclipse.tracecompass.tmf.ctf.core.event.CtfTmfEventFactory; |
| 21 | import org.eclipse.tracecompass.tmf.ctf.core.trace.CtfTmfTrace; |
| 22 | |
| 23 | /** |
| 24 | * Factory for {@link LttngUstEvent}. |
| 25 | * |
| 26 | * @author Matthew Khouzam |
| 27 | * @author Alexandre Montplaisir |
| 28 | * @since 2.0 |
| 29 | */ |
| 30 | public final class LttngUstEventFactory extends CtfTmfEventFactory { |
| 31 | |
| 32 | private static final @NonNull LttngUstEventFactory INSTANCE = new LttngUstEventFactory(); |
| 33 | |
| 34 | /** |
| 35 | * Private constructor. |
| 36 | */ |
| 37 | private LttngUstEventFactory() { |
| 38 | super(); |
| 39 | } |
| 40 | |
| 41 | public static @NonNull LttngUstEventFactory instance() { |
| 42 | return INSTANCE; |
| 43 | } |
| 44 | |
| 45 | @Override |
| 46 | public CtfTmfEvent createEvent(CtfTmfTrace trace, IEventDefinition eventDef, @Nullable String fileName) { |
| 47 | /* Prepare what to pass to CtfTmfEvent's constructor */ |
| 48 | final IEventDeclaration eventDecl = eventDef.getDeclaration(); |
| 49 | final long ts = eventDef.getTimestamp(); |
| 50 | final ITmfTimestamp timestamp = trace.createTimestamp(trace.timestampCyclesToNanos(ts)); |
| 51 | |
| 52 | int sourceCPU = eventDef.getCPU(); |
| 53 | |
| 54 | String reference = (fileName == null ? NO_STREAM : fileName); |
| 55 | |
| 56 | /* Handle the special case of lost events */ |
| 57 | if (eventDecl.getName().equals(CTFStrings.LOST_EVENT_NAME)) { |
| 58 | return createLostEvent(trace, eventDef, eventDecl, ts, timestamp, sourceCPU, reference); |
| 59 | } |
| 60 | |
| 61 | /* Handle standard event types */ |
| 62 | return new LttngUstEvent(trace, |
| 63 | ITmfContext.UNKNOWN_RANK, |
| 64 | timestamp, |
| 65 | reference, // filename |
| 66 | sourceCPU, |
| 67 | eventDecl, |
| 68 | eventDef); |
| 69 | } |
| 70 | } |