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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.

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/*
 * Copyright 2014 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.domain;

import java.util.List;

import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.optaplanner.examples.common.domain.AbstractPersistable;

@XStreamAlias("CtTask")
public class Task extends AbstractPersistable {

    private long powerConsumptionMicros;
    private int duration;
    private int startPeriodRangeFrom; // Inclusive
    private int startPeriodRangeTo; // Exclusive

    // Order is equal to resourceList so Resource.getIndex() can be used for the index
    private List taskRequirementList;

    public long getPowerConsumptionMicros() {
        return powerConsumptionMicros;
    }

    public void setPowerConsumptionMicros(long powerConsumptionMicros) {
        this.powerConsumptionMicros = powerConsumptionMicros;
    }

    public int getDuration() {
        return duration;
    }

    public void setDuration(int duration) {
        this.duration = duration;
    }

    public int getStartPeriodRangeFrom() {
        return startPeriodRangeFrom;
    }

    public void setStartPeriodRangeFrom(int startPeriodRangeFrom) {
        this.startPeriodRangeFrom = startPeriodRangeFrom;
    }

    public int getStartPeriodRangeTo() {
        return startPeriodRangeTo;
    }

    public void setStartPeriodRangeTo(int startPeriodRangeTo) {
        this.startPeriodRangeTo = startPeriodRangeTo;
    }

    public List getTaskRequirementList() {
        return taskRequirementList;
    }

    public void setTaskRequirementList(List taskRequirementList) {
        this.taskRequirementList = taskRequirementList;
    }

    public int getUsage(Resource resource) {
        return taskRequirementList.get(resource.getIndex()).getResourceUsage();
    }

    // ************************************************************************
    // Complex methods
    // ************************************************************************

    public int getResourceUsageMultiplicand() {
        int multiplicand = 1;
        for (TaskRequirement taskRequirement : taskRequirementList) {
            multiplicand *= taskRequirement.getResourceUsage();
        }
        return multiplicand;
    }

    public String getLabel() {
        return "Task " + id;
    }

}