private boolean allowSelfReference( ConnectionFlavor flavor ) {
		if( flavor.equals( AssoziationConnection.ASSOZIATION ) ) {
			return true;
		}
		
		if( flavor.equals( CompositionConnection.COMPOSITION ) ) {
			return true;
		}
		if( flavor.equals( AggregationConnection.AGGREGATION ) ) {
			return true;
		}
		return false;
	}