/**
	 * Flag to report only one usage of deprecated implementation
	 */
	private boolean deprecationFirstReport = true;

	protected void logDeprecation() {
		if (deprecationFirstReport) {
			// First usage, report it
			deprecationFirstReport  = false;
			log.deprecatedPersistenceProvider(
					HibernatePersistence.class.getName(),
					HibernatePersistenceProvider.class.getName()
			);
		}
	}