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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use Drools Planner.

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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.drools.planner.examples.examination.domain;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.apache.commons.lang.builder.CompareToBuilder;
import org.drools.planner.examples.common.domain.AbstractPersistable;

@XStreamAlias("PeriodHardConstraint")
public class PeriodHardConstraint extends AbstractPersistable implements Comparable {

    private PeriodHardConstraintType periodHardConstraintType;
    private Topic leftSideTopic;
    private Topic rightSideTopic;

    public PeriodHardConstraintType getPeriodHardConstraintType() {
        return periodHardConstraintType;
    }

    public void setPeriodHardConstraintType(PeriodHardConstraintType periodHardConstraintType) {
        this.periodHardConstraintType = periodHardConstraintType;
    }

    public Topic getLeftSideTopic() {
        return leftSideTopic;
    }

    public void setLeftSideTopic(Topic leftSideTopic) {
        this.leftSideTopic = leftSideTopic;
    }

    public Topic getRightSideTopic() {
        return rightSideTopic;
    }

    public void setRightSideTopic(Topic rightSideTopic) {
        this.rightSideTopic = rightSideTopic;
    }

    public int compareTo(PeriodHardConstraint other) {
        return new CompareToBuilder()
                .append(periodHardConstraintType, other.periodHardConstraintType)
                .append(leftSideTopic, other.leftSideTopic)
                .append(rightSideTopic, other.rightSideTopic)
                .append(id, other.id)
                .toComparison();
    }

    @Override
    public String toString() {
        return periodHardConstraintType + "@" + leftSideTopic.getId() + "&" + rightSideTopic.getId();
    }

}