/*******************************************************************************
* Copyright (c) 2014, 2015 Ericsson
*
* 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
*
* Contributors:
* Alexandre Montplaisir - Initial API and implementation
*******************************************************************************/
package org.eclipse.tracecompass.tmf.core.event.aspect;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
/**
* Event aspect representing the CPU of a trace event. Trace types that do have
* the notion of CPU can use this to expose it in their traces.
*
* TODO Move to an eventualy kernel-trace-specific plugin.
*
* @author Alexandre Montplaisir
*/
public abstract class TmfCpuAspect implements ITmfEventAspect<Integer> {
@Override
public final String getName() {
return Messages.getMessage(Messages.AspectName_CPU);
}
@Override
public final String getHelpText() {
return Messages.getMessage(Messages.AspectHelpText_CPU);
}
/**
* Returns the CPU number of the CPU on which this event was executed or
* {@code null} if the CPU is not available for an event.
*/
@Override
public abstract @Nullable Integer resolve(ITmfEvent event);
@Override
public boolean equals(@Nullable Object other) {
/*
* Consider all sub-instance of this type "equal", so that they get
* merged in a single CPU column/aspect.
*/
if (other instanceof TmfCpuAspect) {
return true;
}
return false;
}
@Override
public int hashCode() {
return getName().hashCode();
}
}