org.optaplanner.examples.nurserostering.domain.solver.EmployeeStrengthComparator.java Source code

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Here is the source code for org.optaplanner.examples.nurserostering.domain.solver.EmployeeStrengthComparator.java

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/*
 * 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();
    }

}