/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* 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:
******************************************************************************/
package org.eclipse.emf.emfstore.server.taskmanager;
import java.util.Comparator;
import java.util.Date;
/**
* Is needed for the {@link java.utilPriorityQueue} used in the {@link TaskManager}.
*
* @param <T> a task.
* @author wesendon
*/
public class TaskComparator<T extends Task> implements Comparator<T> {
/**
* {@inheritDoc}
*/
public int compare(T task1, T task2) {
Date nextRun1 = task1.getNextRun();
Date nextRun2 = task2.getNextRun();
if (nextRun1.equals(nextRun2)) {
return 0;
} else if (nextRun1.before(nextRun2)) {
return -1;
} else {
return 1;
}
}
}