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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.List;
import java.util.Set;

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

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

    private int duration; // in minutes
    private List studentList;

    // Calculated during initialization, not modified during score calculation.
    private boolean frontLoadLarge;
    private Set coincidenceTopicSet = null;

    public int getDuration() {
        return duration;
    }

    public void setDuration(int duration) {
        this.duration = duration;
    }

    public List getStudentList() {
        return studentList;
    }

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

    public int getStudentSize() {
        return studentList.size();
    }

    public boolean isFrontLoadLarge() {
        return frontLoadLarge;
    }

    public void setFrontLoadLarge(boolean frontLoadLarge) {
        this.frontLoadLarge = frontLoadLarge;
    }

    public Set getCoincidenceTopicSet() {
        return coincidenceTopicSet;
    }

    public void setCoincidenceTopicSet(Set coincidenceTopicSet) {
        this.coincidenceTopicSet = coincidenceTopicSet;
    }

    public boolean hasCoincidenceTopic() {
        return coincidenceTopicSet != null;
    }

    public int compareTo(Topic other) {
        return new CompareToBuilder()
                .append(id, other.id)
                .toComparison();
    }

    public String toString() {
        return id + " {D" + duration + "|S" + getStudentSize() + "}";
    }

}




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