Java 类javax.persistence.spi.PersistenceProviderResolver 实例源码

/**
 * fixes the warning (Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb
 * .HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.)
 *
 * must be called before getting the EntityManagerFactory
 */
private static void fixDeprecatedHibernateWarning() {
    PersistenceProviderResolverHolder.setPersistenceProviderResolver(new PersistenceProviderResolver() {
        private final List<PersistenceProvider> providers_ =
                Arrays.asList(new PersistenceProvider[]{new HibernatePersistenceProvider()});

        @Override
        public List<PersistenceProvider> getPersistenceProviders() {
            return providers_;
        }

        @Override
        public void clearCachedProviders() {

        }
    });
}