/**
 * Process all discriminator-related metadata per rules for "single table" inheritance
 */
private static Ejb3DiscriminatorColumn processSingleTableDiscriminatorProperties(
		XClass clazzToProcess,
		MetadataBuildingContext context,
		InheritanceState inheritanceState,
		EntityBinder entityBinder) {
	final boolean isRoot = !inheritanceState.hasParents();

	Ejb3DiscriminatorColumn discriminatorColumn = null;
	javax.persistence.DiscriminatorColumn discAnn = clazzToProcess.getAnnotation(
			javax.persistence.DiscriminatorColumn.class
	);
	DiscriminatorType discriminatorType = discAnn != null
			? discAnn.discriminatorType()
			: DiscriminatorType.STRING;

	org.hibernate.annotations.DiscriminatorFormula discFormulaAnn = clazzToProcess.getAnnotation(
			org.hibernate.annotations.DiscriminatorFormula.class
	);
	if ( isRoot ) {
		discriminatorColumn = Ejb3DiscriminatorColumn.buildDiscriminatorColumn(
				discriminatorType,
				discAnn,
				discFormulaAnn,
				context
		);
	}
	if ( discAnn != null && !isRoot ) {
		LOG.invalidDiscriminatorAnnotation( clazzToProcess.getName() );
	}

	final String discriminatorValue = clazzToProcess.isAnnotationPresent( DiscriminatorValue.class )
			? clazzToProcess.getAnnotation( DiscriminatorValue.class ).value()
			: null;
	entityBinder.setDiscriminatorValue( discriminatorValue );

	DiscriminatorOptions discriminatorOptions = clazzToProcess.getAnnotation( DiscriminatorOptions.class );
	if ( discriminatorOptions != null) {
		entityBinder.setForceDiscriminator( discriminatorOptions.force() );
		entityBinder.setInsertableDiscriminator( discriminatorOptions.insert() );
	}

	return discriminatorColumn;
}