org.optaplanner.osgi.common.domain.AbstractPersistable.java Source code

Introduction

Here is the source code for org.optaplanner.osgi.common.domain.AbstractPersistable.java

Source

/*
 * Copyright 2010 JBoss Inc
 *
 * 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.osgi.common.domain;

import java.io.Serializable;

import org.apache.commons.lang3.builder.CompareToBuilder;
import org.optaplanner.core.api.score.constraint.ConstraintMatch;

public abstract class AbstractPersistable implements Serializable, Comparable<AbstractPersistable> {

    /**
     * 
     */
    private static final long serialVersionUID = -3636443971578758797L;
    protected Long id;

    protected AbstractPersistable() {
    }

    protected AbstractPersistable(long id) {
        this.id = id;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    // This part is currently commented out because it's probably a bad thing to
    // mix identification with equality

    // public boolean equals(Object o) {
    // if (this == o) {
    // return true;
    // }
    // if (id == null || !(o instanceof AbstractPersistable)) {
    // return false;
    // } else {
    // AbstractPersistable other = (AbstractPersistable) o;
    // return getClass().equals(other.getClass()) && id.equals(other.id);
    // }
    // }
    //
    // public int hashCode() {
    // if (id == null) {
    // return super.hashCode();
    // } else {
    // return id.hashCode();
    // }
    // }

    /**
     * Used by the GUI to sort the {@link ConstraintMatch} list by
     * {@link ConstraintMatch#getJustificationList()}.
     * 
     * @param other
     *            never null
     * @return comparison
     */
    public int compareTo(AbstractPersistable other) {
        return new CompareToBuilder().append(getClass().getName(), other.getClass().getName()).append(id, other.id)
                .toComparison();
    }

    public String toString() {
        return getClass().getName().replaceAll(".*\\.", "") + "-" + id;
    }

}