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/*******************************************************************************
* Copyright (c) 2016 École Polytechnique de Montréal
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.tracecompass.tmf.core.event.aspect;
import java.util.List;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.core.event.ITmfEventField;
import org.eclipse.tracecompass.tmf.core.event.ITmfEventType;
import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
import com.google.common.collect.ImmutableList;
/**
* Some basic aspects that all trace types should be able to use, using methods
* found in {@link ITmfEvent}.
*
* @author Alexandre Montplaisir
* @author Geneviève Bastien
* @since 2.0
*/
public final class TmfBaseAspects {
private static final ITmfEventAspect<ITmfTimestamp> TIMESTAMP_ASPECT = new ITmfEventAspect<ITmfTimestamp>() {
@Override
public String getName() {
return Messages.getMessage(Messages.AspectName_Timestamp);
}
@Override
public String getHelpText() {
return ITmfEventAspect.EMPTY_STRING;
}
@Override
public @Nullable ITmfTimestamp resolve(ITmfEvent event) {
return event.getTimestamp();
}
};
private static final ITmfEventAspect<String> EVENT_TYPE_ASPECT = new ITmfEventAspect<String>() {
@Override
public String getName() {
return Messages.getMessage(Messages.AspectName_EventType);
}
@Override
public String getHelpText() {
return Messages.getMessage(Messages.AspectHelpText_EventType);
}
@Override
public @Nullable String resolve(ITmfEvent event) {
ITmfEventType type = event.getType();
if (type == null) {
return null;
}
return type.getName();
}
};
private static final TmfEventFieldAspect CONTENTS_ASPECT = new TmfEventFieldAspect(Messages.getMessage(Messages.AspectName_Contents), null, new TmfEventFieldAspect.IRootField() {
@Override
public @Nullable ITmfEventField getRootField(ITmfEvent event) {
return event.getContent();
}
}) {
@Override
public String getHelpText() {
return Messages.getMessage(Messages.AspectHelpText_Contents);
}
};
private static final ITmfEventAspect<String> TRACE_NAME_ASPECT = new ITmfEventAspect<String>() {
@Override
public String getName() {
return Messages.getMessage(Messages.AspectName_TraceName);
}
@Override
public String getHelpText() {
return Messages.getMessage(Messages.AspectHelpText_TraceName);
}
@Override
public @Nullable String resolve(ITmfEvent event) {
return event.getTrace().getName();
}
};
private static final List<ITmfEventAspect<?>> BASE_ASPECTS = ImmutableList.of(
getTimestampAspect(),
getEventTypeAspect(),
getContentsAspect(),
getTraceNameAspect());
private TmfBaseAspects() {
}
/**
* Get the aspect for the event timestamp
*
* @return The timestamp aspect
*/
public static ITmfEventAspect<ITmfTimestamp> getTimestampAspect() {
return TIMESTAMP_ASPECT;
}
/**
* Get the aspect for the event type
*
* @return The aspect for the event type
*/
public static ITmfEventAspect<String> getEventTypeAspect() {
return EVENT_TYPE_ASPECT;
}
/**
* Get the aspect for the aggregated event contents (fields)
*
* @return The aspect for the aggregate event contents
*/
public static TmfEventFieldAspect getContentsAspect() {
return CONTENTS_ASPECT;
}
/**
* Get the aspect for the trace's name (for experiments with many traces)
*
* @return The trace name aspect
*/
public static ITmfEventAspect<String> getTraceNameAspect() {
return TRACE_NAME_ASPECT;
}
/**
* Get the list of all common base aspects
*
* @return the list of base aspects
*/
public static List<ITmfEventAspect<?>> getBaseAspects() {
return BASE_ASPECTS;
}
}
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