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/**
 * Copyright (c) 2009 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package org.fedoraproject.candlepin.model;

import java.util.UUID;

import javax.persistence.Column;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * @author mmccune
 *
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.PROPERTY)
public class BaseModel {

    private String uuid;
    private String name;

    /**
     * Construct new with UUID
     * @param uuid unique idea for the model object
     */
    public BaseModel(String uuid) {
        this.uuid = uuid;
    }
    
    /**
     * Default constructor
     */
    public BaseModel() {
        
    }
   
    /**
     * Returns the unique id of the model object.
     * @return the unique id of the model object.
     */
    public String getUuid() {
        return uuid;
    }

    /**
     * Sets the unique id of the model object.
     * @param uuid unique id of the model.
     */
    public void setUuid(String uuid) {
        this.uuid = uuid;
    }

    /**
     * Returns the name of the object.
     * @return the name of the object.
     */
    public String getName() {
        return name;
    }

    /**
     * Set the name of the model object.
     * @param name name of the object
     */
    public void setName(String name) {
        this.name = name;
    }

    /**
     * Generate a UUID for an object.
     * @return String UUID.
     */
    public static String generateUUID() {
        return UUID.randomUUID().toString(); 
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((uuid == null) ? 0 : uuid.hashCode());
        return result;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (getClass() != obj.getClass()) {
            return false;
        }

        BaseModel other = (BaseModel) obj;

        if (this.getUuid() == null) {
            if (other.getUuid() != null) {
                return false;
            }
        }
        else if (!this.getUuid().equals(other.getUuid())) {
            return false;
        }

        return true;
    }
}