/*******************************************************************************
* Copyright (c) 2012, 2014 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:
* Patrick Tasse - Initial API and implementation
* Geneviève Bastien - Added the fValue parameter to avoid subclassing
*******************************************************************************/
package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model;
import java.util.Objects;
/**
* Generic TimeEvent implementation
*
* @version 1.0
* @author Patrick Tasse
*/
public class TimeEvent implements ITimeEvent {
/** TimeGraphEntry matching this time event */
protected ITimeGraphEntry fEntry;
/** Beginning timestamp of this time event */
protected long fTime;
/** Duration of this time event */
protected long fDuration;
private final int fValue;
/**
* Default value when no other value present
*/
private static final int NOVALUE = Integer.MIN_VALUE;
/**
* Standard constructor
*
* @param entry
* The entry matching this event
* @param time
* The timestamp of this event
* @param duration
* The duration of the event
*/
public TimeEvent(ITimeGraphEntry entry, long time, long duration) {
this(entry, time, duration, NOVALUE);
}
/**
* Constructor
*
* @param entry
* The entry to which this time event is assigned
* @param time
* The timestamp of this event
* @param duration
* The duration of this event
* @param value
* The status assigned to the event
*/
public TimeEvent(ITimeGraphEntry entry, long time, long duration,
int value) {
fEntry = entry;
fTime = time;
fDuration = duration;
fValue = value;
}
/**
* Get this event's status
*
* @return The integer matching this status
*/
public int getValue() {
return fValue;
}
/**
* Return whether an event has a value
*
* @return true if the event has a value
*/
public boolean hasValue() {
return (fValue != NOVALUE);
}
@Override
public ITimeGraphEntry getEntry() {
return fEntry;
}
@Override
public long getTime() {
return fTime;
}
@Override
public long getDuration() {
return fDuration;
}
@Override
public ITimeEvent splitBefore(long splitTime) {
return (splitTime > fTime ?
new TimeEvent(fEntry, fTime, Math.min(fDuration, splitTime - fTime), fValue) :
null);
}
@Override
public ITimeEvent splitAfter(long splitTime) {
return (splitTime < fTime + fDuration ?
new TimeEvent(fEntry, Math.max(fTime, splitTime), fDuration - Math.max(0, splitTime - fTime),
fValue) :
null);
}
@Override
public int hashCode() {
return Objects.hash(fEntry, fTime, fDuration, fValue);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
TimeEvent other = (TimeEvent) obj;
return Objects.equals(fEntry, other.fEntry) &&
Objects.equals(fTime, other.fTime) &&
Objects.equals(fDuration, other.fDuration) &&
Objects.equals(fValue, other.fValue);
}
@Override
public String toString() {
return getClass().getSimpleName() + " start=" + fTime + " end=" + (fTime + fDuration) + " duration=" + fDuration + (hasValue() ? (" value=" + fValue) : ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
}
}