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Java Source Code
/*
* TaskPriorityComparator.java/*www.java2s.com*/
*
* Copyright 2012 Jonathan Hasenzahl, James Celona, Dhimitraq Jorgji
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/package edu.worcester.cs499summer2012.comparator;
import java.util.Comparator;
import edu.worcester.cs499summer2012.task.Task;
/**
* Comparator for sorting tasks by priority.
* @author Jonathan Hasenzahl
*/publicclass TaskPriorityComparator implements Comparator<Task> {
/**
* Compares two tasks by their priorities. Tasks with a higher priority
* come before tasks with a lower priority.
* @param lhs the first task
* @param rhs the second task
* @return A negative number if the first task has a higher priority, a
* positive number if the second task has a higher priority, or 0
* if they have the same priority
*/publicint compare(Task lhs, Task rhs) {
// Ex: LHS -> priority 2 (urgent)
// RHS -> priority 1 (normal)
// RHS - LHS = 1 - 2 = -1 = LHS ordered first
return rhs.getPriority() - lhs.getPriority();
}
}