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OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module contains the examples which demonstrate how to use it in a normal Java application.

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package org.optaplanner.examples.examination.domain;

import org.optaplanner.core.api.domain.entity.PlanningEntity;
import org.optaplanner.core.api.domain.variable.ShadowVariable;
import org.optaplanner.examples.examination.domain.solver.PeriodUpdatingVariableListener;

import com.thoughtworks.xstream.annotations.XStreamAlias;

@PlanningEntity
@XStreamAlias("FollowingExam")
public class FollowingExam extends Exam {

    protected LeadingExam leadingExam;

    // Shadow variables
    protected Period period;

    public LeadingExam getLeadingExam() {
        return leadingExam;
    }

    public void setLeadingExam(LeadingExam leadingExam) {
        this.leadingExam = leadingExam;
    }

    @Override
    @ShadowVariable(variableListenerClass = PeriodUpdatingVariableListener.class,
            sourceEntityClass = LeadingExam.class, sourceVariableName = "period")
    public Period getPeriod() {
        return period;
    }

    public void setPeriod(Period period) {
        this.period = period;
    }

    // ************************************************************************
    // With methods
    // ************************************************************************

    public FollowingExam withId(long id) {
        this.setId(id);
        return this;
    }

    public FollowingExam withTopic(Topic topic) {
        this.setTopic(topic);
        return this;
    }

    public FollowingExam withRoom(Room room) {
        this.setRoom(room);
        return this;
    }

    public FollowingExam withPeriod(Period period) {
        this.setPeriod(period);
        return this;
    }

    public FollowingExam withLeadingExam(LeadingExam leadingExam) {
        this.setLeadingExam(leadingExam);
        return this;
    }

    // ************************************************************************
    // Complex methods
    // ************************************************************************

}