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OptaPlanner solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
This module contains the examples which demonstrate how to use it in a normal Java application.
/*
* Copyright 2015 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.cheaptime.solver.drools;
import static java.util.Comparator.comparing;
import static java.util.Comparator.comparingLong;
import java.util.Comparator;
import java.util.Objects;
import org.optaplanner.examples.cheaptime.domain.Machine;
public class IdleCost implements Comparable {
private static final Comparator COMPARATOR = comparing(IdleCost::getMachine, comparingLong(Machine::getId))
.thenComparingInt(IdleCost::getActivePeriodAfterIdle)
.thenComparingLong(IdleCost::getCost);
private final Machine machine;
private final int activePeriodAfterIdle;
private final long cost;
public IdleCost(Machine machine, int activePeriodAfterIdle, long cost) {
this.machine = machine;
this.activePeriodAfterIdle = activePeriodAfterIdle;
this.cost = cost;
}
public Machine getMachine() {
return machine;
}
public int getActivePeriodAfterIdle() {
return activePeriodAfterIdle;
}
public long getCost() {
return cost;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final IdleCost other = (IdleCost) o;
return Objects.equals(machine, other.machine) &&
activePeriodAfterIdle == other.activePeriodAfterIdle &&
cost == other.cost;
}
@Override
public int hashCode() {
return Objects.hash(machine, activePeriodAfterIdle, cost);
}
@Override
public int compareTo(IdleCost other) {
return COMPARATOR.compare(this, other);
}
@Override
public String toString() {
return "machine = " + machine + ", activePeriodAfterIdle = " + activePeriodAfterIdle + ", cost = " + cost;
}
}