PersistenceConfiguration.java

package org.needle4j.db.configuration;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

/**
 * Abstraction for bootstrapping {@link EntityManagerFactory} and
 * {@link EntityManager}.
 */
interface PersistenceConfiguration {

    /**
     * Returns an {@link EntityManager} instance.
     * 
     * @return entityManager
     */
    EntityManager getEntityManager();

    /**
     * Returns the EntityManagerFactory.
     * 
     * @return EntityManagerFactory
     */
    EntityManagerFactory getEntityManagerFactory();

}