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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.
/*
* 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.solver;
import java.io.Serializable;
import org.apache.commons.lang.builder.CompareToBuilder;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.drools.planner.examples.examination.domain.Topic;
/**
* Calculated during initialization, not modified during score calculation.
*/
public class TopicConflict implements Serializable, Comparable {
private Topic leftTopic;
private Topic rightTopic;
private int studentSize;
public TopicConflict(Topic leftTopic, Topic rightTopic, int studentSize) {
this.leftTopic = leftTopic;
this.rightTopic = rightTopic;
this.studentSize = studentSize;
}
public Topic getLeftTopic() {
return leftTopic;
}
public void setLeftTopic(Topic leftTopic) {
this.leftTopic = leftTopic;
}
public Topic getRightTopic() {
return rightTopic;
}
public void setRightTopic(Topic rightTopic) {
this.rightTopic = rightTopic;
}
public int getStudentSize() {
return studentSize;
}
public void setStudentSize(int studentSize) {
this.studentSize = studentSize;
}
public boolean equals(Object o) {
if (this == o) {
return true;
} else if (o instanceof TopicConflict) {
TopicConflict other = (TopicConflict) o;
return new EqualsBuilder()
.append(leftTopic, other.leftTopic)
.append(rightTopic, other.rightTopic)
.isEquals();
} else {
return false;
}
}
public int hashCode() {
return new HashCodeBuilder()
.append(leftTopic)
.append(rightTopic)
.toHashCode();
}
public int compareTo(TopicConflict other) {
return new CompareToBuilder()
.append(leftTopic, other.leftTopic)
.append(rightTopic, other.rightTopic)
.toComparison();
}
@Override
public String toString() {
return leftTopic + " & " + rightTopic + " = " + studentSize;
}
}