/** {@inheritDoc} */
@Override
public ProviderUtil getProviderUtil() { // we suppose it is loaded later than createXXXEMF so we'll get the delegate
	if (delegate == null) {
		// delegate not yet loaded and perhaps will never be:
		// this method may be called, even without jpa impl to delegate,
		// for example, by hibernate validator via jpa api but without jpa impl
		// (issue 396, if loadOrGuessDelegate(null) was called here),
		// so return a dumb ProviderUtil in this case or if delegate not yet loaded
		return DUMMY_PROVIDER_UTIL;
	}
	return delegate.getProviderUtil();
}
 

/**
 * Test de JpaPersistence.
 */
@Test
public void testJpaPersistence() {
	final PersistenceProvider jpaPersistence = getJpaPersistence();

	final ProviderUtil providerUtil = jpaPersistence.getProviderUtil();
	assertNotNull("getProviderUtil", providerUtil);
	// providerUtil == JpaPersistence.DUMMY_PROVIDER_UTIL
	providerUtil.isLoadedWithoutReference(null, null);
	providerUtil.isLoadedWithReference(null, null);
	providerUtil.isLoaded(null);
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
	return providerUtil;
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
    return providerUtil;
}
 

@Override
public ProviderUtil getProviderUtil() {
    return delegate.getProviderUtil();
}
 

@Override
public ProviderUtil getProviderUtil() {
	return providerUtil;
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
	throw new UnsupportedOperationException();
}
 

@Override
public ProviderUtil getProviderUtil() {
    return null;
}
 

@Override
public ProviderUtil getProviderUtil()
{
    return null;  
}