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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.manners2009.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;
@PlanningEntity
@XStreamAlias("SeatDesignation")
public class SeatDesignation extends AbstractPersistable {
private Guest guest;
private Seat seat;
public Guest getGuest() {
return guest;
}
public void setGuest(Guest guest) {
this.guest = guest;
}
@PlanningVariable
@ValueRange(type = ValueRangeType.FROM_SOLUTION_PROPERTY, solutionProperty = "seatList")
public Seat getSeat() {
return seat;
}
public void setSeat(Seat seat) {
this.seat = seat;
}
// ************************************************************************
// Complex methods
// ************************************************************************
public Job getGuestJob() {
return getGuest().getJob();
}
public JobType getGuestJobType() {
return getGuest().getJob().getJobType();
}
public Table getSeatTable() {
if (seat == null) {
return null;
}
return seat.getTable();
}
public SeatDesignation clone() {
SeatDesignation clone = new SeatDesignation();
clone.id = id;
clone.guest = guest;
clone.seat = seat;
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 SeatDesignation) {
SeatDesignation other = (SeatDesignation) o;
return new EqualsBuilder()
.append(id, other.id)
.append(guest, other.guest)
.append(seat, other.seat)
.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(guest)
.append(seat)
.toHashCode();
}
@Override
public String toString() {
return guest + " @ " + seat;
}
}