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/*******************************************************************************
* Copyright (c) 2013 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
*
* Contributors:
* Geneviève Bastien - Initial implementation and API
*******************************************************************************/
package org.eclipse.tracecompass.tmf.core.synchronization;
import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp;
/**
* A default simple, identity timestamp transform. It is a singleton class and
* returns the timestamp itself
*
* @author Geneviève Bastien
* @since 3.0
* @deprecated This class has been moved to internal. Use one of
* {@link TimestampTransformFactory} methods to create the timestamp
* transform. For the identity, use
* {@link TimestampTransformFactory#getDefaultTransform()}
*/
@Deprecated
public class TmfTimestampTransform implements ITmfTimestampTransform {
/**
* Generated serial UID
*/
private static final long serialVersionUID = -1480581417493073304L;
/**
* The unique instance of this transform, since it is always the same
*/
public static final TmfTimestampTransform IDENTITY = new TmfTimestampTransform();
/**
* Default constructor
*/
protected TmfTimestampTransform() {
}
@Override
public ITmfTimestamp transform(ITmfTimestamp timestamp) {
return timestamp;
}
@Override
public long transform(long timestamp) {
return timestamp;
}
@Override
public ITmfTimestampTransform composeWith(ITmfTimestampTransform composeWith) {
/* Since this transform will not modify anything, return the other */
return composeWith;
}
@Override
public boolean equals(Object other) {
return other.getClass().equals(TmfTimestampTransform.class);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = (prime * result) + TmfTimestampTransform.class.hashCode();
return result;
}
@Override
public String toString() {
return "TmfTimestampTransform [ IDENTITY ]"; //$NON-NLS-1$
}
}
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