com.greenpepper.server.domain.AbstractUniqueEntity Maven / Gradle / Ivy

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package com.greenpepper.server.domain;

import java.util.UUID;

import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;

@MappedSuperclass
/**
 * Abstract AbstractUniqueEntity class.
 *
 * @author oaouattara
 * @version $Id: $Id
 */
public abstract class AbstractUniqueEntity extends AbstractVersionedEntity
{
    protected String uuid;
    
    /**
     * Constructor for AbstractUniqueEntity.
     */
    public AbstractUniqueEntity()
    {
        uuid = UUID.randomUUID().toString();
    }
    
    /**
     * getUUID.
     *
     * @return a {@link java.lang.String} object.
     */
    @Basic
    @Column(name="UUID", nullable = false)
    public String getUUID()
    {
        return this.uuid;
    }
    
    /**
     * setUUID.
     *
     * @param uuid a {@link java.lang.String} object.
     */
    public void setUUID(String uuid)
    {
        this.uuid = uuid;
    }
    
    /** {@inheritDoc} */
    public boolean equals(Object o)
    {
        return getUUID().equals(((AbstractUniqueEntity)o).getUUID());
    }
    
    /**
     * hashCode.
     *
     * @return a int.
     */
    public int hashCode()
    {
        return getUUID() == null ? 0 : getUUID().hashCode();
    }
}