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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 java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.drools.planner.api.domain.solution.PlanningEntityCollectionProperty;
import org.drools.planner.core.solution.Solution;
import org.drools.planner.core.score.HardAndSoftScore;
import org.drools.planner.examples.common.domain.AbstractPersistable;
import org.drools.planner.examples.examination.domain.solver.TopicConflict;

@XStreamAlias("Examination")
public class Examination extends AbstractPersistable implements Solution {

    private InstitutionalWeighting institutionalWeighting;

    private List studentList;
    private List topicList;
    private List periodList;
    private List roomList;

    private List periodHardConstraintList;
    private List roomHardConstraintList;

    private List examList;

    private HardAndSoftScore score;

    public InstitutionalWeighting getInstitutionalWeighting() {
        return institutionalWeighting;
    }

    public void setInstitutionalWeighting(InstitutionalWeighting institutionalWeighting) {
        this.institutionalWeighting = institutionalWeighting;
    }

    public List getStudentList() {
        return studentList;
    }

    public void setStudentList(List studentList) {
        this.studentList = studentList;
    }

    public List getTopicList() {
        return topicList;
    }

    public void setTopicList(List topicList) {
        this.topicList = topicList;
    }

    public List getPeriodList() {
        return periodList;
    }

    public void setPeriodList(List periodList) {
        this.periodList = periodList;
    }

    public List getRoomList() {
        return roomList;
    }

    public void setRoomList(List roomList) {
        this.roomList = roomList;
    }

    public List getPeriodHardConstraintList() {
        return periodHardConstraintList;
    }

    public void setPeriodHardConstraintList(List periodHardConstraintList) {
        this.periodHardConstraintList = periodHardConstraintList;
    }

    public List getRoomHardConstraintList() {
        return roomHardConstraintList;
    }

    public void setRoomHardConstraintList(List roomHardConstraintList) {
        this.roomHardConstraintList = roomHardConstraintList;
    }

    @PlanningEntityCollectionProperty
    public List getExamList() {
        return examList;
    }

    public void setExamList(List examList) {
        this.examList = examList;
    }

    public HardAndSoftScore getScore() {
        return score;
    }

    public void setScore(HardAndSoftScore score) {
        this.score = score;
    }

    public Collection getProblemFacts() {
        List