/*
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.optaplanner.examples.nurserostering.domain.solver;
import java.io.Serializable;
import java.util.Comparator;
import org.apache.commons.lang.builder.CompareToBuilder;
import org.optaplanner.examples.nurserostering.domain.Employee;
public class EmployeeStrengthComparator implements Comparator<Employee>, Serializable {
public int compare(Employee a, Employee b) {
// TODO refactor to DifficultyWeightFactory and use getContract().getContractLineList()
// to sum maximumValue and minimumValue etc
return new CompareToBuilder()
.append(b.getWeekendLength(), a.getWeekendLength()) // Descending
.append(a.getId(), b.getId())
.toComparison();
}
}