/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.examples.pas.solver.move;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.optaplanner.core.impl.heuristic.move.AbstractMove;
import org.optaplanner.core.impl.score.director.ScoreDirector;
import org.optaplanner.examples.pas.domain.Bed;
import org.optaplanner.examples.pas.domain.BedDesignation;
import org.optaplanner.examples.pas.domain.PatientAdmissionSchedule;
public class BedChangeMove extends AbstractMove<PatientAdmissionSchedule> {
private BedDesignation bedDesignation;
private Bed toBed;
public BedChangeMove(BedDesignation bedDesignation, Bed toBed) {
this.bedDesignation = bedDesignation;
this.toBed = toBed;
}
@Override
public boolean isMoveDoable(ScoreDirector<PatientAdmissionSchedule> scoreDirector) {
return !Objects.equals(bedDesignation.getBed(), toBed);
}
@Override
public BedChangeMove createUndoMove(ScoreDirector<PatientAdmissionSchedule> scoreDirector) {
return new BedChangeMove(bedDesignation, bedDesignation.getBed());
}
@Override
protected void doMoveOnGenuineVariables(ScoreDirector<PatientAdmissionSchedule> scoreDirector) {
PatientAdmissionMoveHelper.moveBed(scoreDirector, bedDesignation, toBed);
}
@Override
public Collection<? extends Object> getPlanningEntities() {
return Collections.singletonList(bedDesignation);
}
@Override
public Collection<? extends Object> getPlanningValues() {
return Collections.singletonList(toBed);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
} else if (o instanceof BedChangeMove) {
BedChangeMove other = (BedChangeMove) o;
return new EqualsBuilder()
.append(bedDesignation, other.bedDesignation)
.append(toBed, other.toBed)
.isEquals();
} else {
return false;
}
}
@Override
public int hashCode() {
return new HashCodeBuilder()
.append(bedDesignation)
.append(toBed)
.toHashCode();
}
@Override
public String toString() {
return bedDesignation + " {" + bedDesignation.getBed() + " -> " + toBed + "}";
}
}