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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 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.nurserostering.solver.drools;

import java.io.Serializable;
import java.util.Comparator;
import java.util.Objects;

import org.optaplanner.examples.nurserostering.domain.Employee;

public class EmployeeWorkSequence implements Comparable, Serializable {

    private static final Comparator COMPARATOR = Comparator.comparing(EmployeeWorkSequence::getEmployee)
            .thenComparingInt(EmployeeWorkSequence::getFirstDayIndex)
            .thenComparingInt(EmployeeWorkSequence::getLastDayIndex);

    private Employee employee;
    private int firstDayIndex;
    private int lastDayIndex;

    public EmployeeWorkSequence(Employee employee, int firstDayIndex, int lastDayIndex) {
        this.employee = employee;
        this.firstDayIndex = firstDayIndex;
        this.lastDayIndex = lastDayIndex;
    }

    public Employee getEmployee() {
        return employee;
    }

    public void setEmployee(Employee employee) {
        this.employee = employee;
    }

    public int getFirstDayIndex() {
        return firstDayIndex;
    }

    public void setFirstDayIndex(int firstDayIndex) {
        this.firstDayIndex = firstDayIndex;
    }

    public int getLastDayIndex() {
        return lastDayIndex;
    }

    public void setLastDayIndex(int lastDayIndex) {
        this.lastDayIndex = lastDayIndex;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final EmployeeWorkSequence other = (EmployeeWorkSequence) o;
        return Objects.equals(employee, other.employee) &&
                firstDayIndex == other.firstDayIndex &&
                lastDayIndex == other.lastDayIndex;
    }

    @Override
    public int hashCode() {
        return Objects.hash(employee, firstDayIndex, lastDayIndex);
    }

    @Override
    public int compareTo(EmployeeWorkSequence other) {
        return COMPARATOR.compare(this, other);
    }

    @Override
    public String toString() {
        return employee + " is working between " + firstDayIndex + " - " + lastDayIndex;
    }

    public int getDayLength() {
        return lastDayIndex - firstDayIndex + 1;
    }

}