/**
 * This method executes the persist invocation. A merge is included if the
 * entity is an update.
 * 
 * @param entity
 * @param entityManager
 */
protected <ENTITY extends SjcBaseDE> void persistEntity(ENTITY entity,
		final EntityManager entityManager) {

	final String Method_Name = "persistEntity";
	this.logger.entering(this.Class_Name, Method_Name);
	final boolean isUpdate = false;

	// How does one determine if this is a create or update?
	// Is there anything in session to help with this?
	final Session session = ((EntityManagerImpl) entityManager) 
			.getActiveSession();
	try {
		if (isUpdate) {
			entity = mergeIfRequired(entityManager, entity);
			}
	} catch (final Exception e) {
		throw new SjpPersistenceEPC(new SjcExceptionPathPO(this.Class_Name,
				Method_Name), "The entity ["
				+ entity.getClass().getSimpleName()
				+ "] is not a valid persistence audit entity.");
	}
	try {
		entityManager.persist(entity);
		logPersist(Method_Name, entity, isUpdate);
	} catch (final Exception e) {
		throw new SjpPersistenceEPC(new SjcExceptionPathPO(this.Class_Name,
				Method_Name), "Unable to persist ["
				+ entity.getClass().getSimpleName() + "] instance.", );
	}
		this.logger.exiting(this.Class_Name, Method_Name);
	return;
}