public void reachableReference(Reference ref, boolean isVirtual) {
		String clName = ref.getClazz();
		if (clName.charAt(0) == '[')
			/* Can't represent arrays */
			return;
		ClassIdentifier ident = getClassIdentifier(clName.substring(1,
				clName.length() - 1).replace('/', '.'));
		if (ident != null)
			ident.reachableReference(ref, isVirtual);
	}