Java tutorial
/** * 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; /** * @author Geoffrey De Smet */ @XStreamAlias("PeriodHardConstraint") public class PeriodHardConstraint extends AbstractPersistable implements Comparable<PeriodHardConstraint> { 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(); } }