org.drools.planner.examples.common.domain.AbstractPersistable.java Source code

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Here is the source code for org.drools.planner.examples.common.domain.AbstractPersistable.java

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/*
 * 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.drools.planner.examples.common.domain;

import java.io.Serializable;

import org.apache.commons.lang.builder.CompareToBuilder;

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

    protected Long 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 id.equals(other.id);
    //        }
    //    }
    //
    //    public int hashCode() {
    //        if (id == null) {
    //            return super.hashCode();
    //        } else {
    //            return id.hashCode();
    //        }
    //    }

    // Used by the GUI to sort the ConstraintOccurrence list by causes
    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 + "]";
    }

}