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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 org.apache.commons.lang3.builder.CompareToBuilder;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.optaplanner.examples.nurserostering.domain.Employee;

public class EmployeeWeekendSequence implements Comparable, Serializable {

    private Employee employee;
    private int firstSundayIndex;
    private int lastSundayIndex;

    public EmployeeWeekendSequence(Employee employee, int firstSundayIndex, int lastSundayIndex) {
        this.employee = employee;
        this.firstSundayIndex = firstSundayIndex;
        this.lastSundayIndex = lastSundayIndex;
    }

    public Employee getEmployee() {
        return employee;
    }

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

    public int getFirstSundayIndex() {
        return firstSundayIndex;
    }

    public void setFirstSundayIndex(int firstSundayIndex) {
        this.firstSundayIndex = firstSundayIndex;
    }

    public int getLastSundayIndex() {
        return lastSundayIndex;
    }

    public void setLastSundayIndex(int lastSundayIndex) {
        this.lastSundayIndex = lastSundayIndex;
    }

    public boolean equals(Object o) {
        if (this == o) {
            return true;
        } else if (o instanceof EmployeeWeekendSequence) {
            EmployeeWeekendSequence other = (EmployeeWeekendSequence) o;
            return new EqualsBuilder()
                    .append(employee, other.employee)
                    .append(firstSundayIndex, other.firstSundayIndex)
                    .append(lastSundayIndex, other.lastSundayIndex)
                    .isEquals();
        } else {
            return false;
        }
    }

    public int hashCode() {
        return new HashCodeBuilder()
                .append(employee)
                .append(firstSundayIndex)
                .append(lastSundayIndex)
                .toHashCode();
    }

    public int compareTo(EmployeeWeekendSequence other) {
        return new CompareToBuilder()
                .append(employee, other.employee)
                .append(firstSundayIndex, other.firstSundayIndex)
                .append(lastSundayIndex, other.lastSundayIndex)
                .toComparison();
    }

    @Override
    public String toString() {
        return employee + " is working the weekend of " + firstSundayIndex + " - " + lastSundayIndex;
    }

    public int getWeekendLength() {
        return ((lastSundayIndex - firstSundayIndex) / 7) + 1;
    }

}