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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.pas.domain;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.drools.planner.api.domain.entity.PlanningEntity;
import org.drools.planner.api.domain.variable.PlanningVariable;
import org.drools.planner.api.domain.variable.ValueRange;
import org.drools.planner.api.domain.variable.ValueRangeType;
import org.drools.planner.examples.common.domain.AbstractPersistable;
import org.drools.planner.examples.pas.domain.solver.BedDesignationDifficultyWeightFactory;
import org.drools.planner.examples.pas.domain.solver.BedStrengthComparator;
@PlanningEntity(difficultyWeightFactoryClass = BedDesignationDifficultyWeightFactory.class)
@XStreamAlias("BedDesignation")
public class BedDesignation extends AbstractPersistable {
private AdmissionPart admissionPart;
private Bed bed;
public AdmissionPart getAdmissionPart() {
return admissionPart;
}
public void setAdmissionPart(AdmissionPart admissionPart) {
this.admissionPart = admissionPart;
}
@PlanningVariable(strengthComparatorClass = BedStrengthComparator.class)
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty = "bedList")
public Bed getBed() {
return bed;
}
public void setBed(Bed bed) {
this.bed = bed;
}
// ************************************************************************
// Complex methods
// ************************************************************************
public Patient getPatient() {
return admissionPart.getPatient();
}
public Gender getPatientGender() {
return admissionPart.getPatient().getGender();
}
public int getPatientAge() {
return admissionPart.getPatient().getAge();
}
public int getPatientPreferredMaximumRoomCapacity() {
return admissionPart.getPatient().getPreferredMaximumRoomCapacity();
}
public Specialism getAdmissionPartSpecialism() {
return admissionPart.getSpecialism();
}
public int getAdmissionPartNightCount() {
return admissionPart.getNightCount();
}
public Room getRoom() {
if (bed == null) {
return null;
}
return bed.getRoom();
}
public int getRoomCapacity() {
if (bed == null) {
return Integer.MIN_VALUE;
}
return bed.getRoom().getCapacity();
}
public Department getDepartment() {
if (bed == null) {
return null;
}
return bed.getRoom().getDepartment();
}
public GenderLimitation getRoomGenderLimitation() {
if (bed == null) {
return null;
}
return bed.getRoom().getGenderLimitation();
}
public BedDesignation clone() {
BedDesignation clone = new BedDesignation();
clone.id = id;
clone.admissionPart = admissionPart;
clone.bed = bed;
return clone;
}
/**
* The normal methods {@link #equals(Object)} and {@link #hashCode()} cannot be used because the rule engine already
* requires them (for performance in their original state).
* @see #solutionHashCode()
*/
public boolean solutionEquals(Object o) {
if (this == o) {
return true;
} else if (o instanceof BedDesignation) {
BedDesignation other = (BedDesignation) o;
return new EqualsBuilder()
.append(id, other.id)
.append(admissionPart, other.admissionPart)
.append(bed, other.bed)
.isEquals();
} else {
return false;
}
}
/**
* The normal methods {@link #equals(Object)} and {@link #hashCode()} cannot be used because the rule engine already
* requires them (for performance in their original state).
* @see #solutionEquals(Object)
*/
public int solutionHashCode() {
return new HashCodeBuilder()
.append(id)
.append(admissionPart)
.append(bed)
.toHashCode();
}
@Override
public String toString() {
return admissionPart + " @ " + bed;
}
}