/**
* Overrides the version of DataType to recurse on all DataType child elements that may have been
* added.
*
* @param stk the stack of data types to use (recursively).
* @param p the project to use to dereference the references.
* @throws BuildException on error.
*/
protected synchronized void dieOnCircularReference(Stack<Object> stk, Project p)
throws BuildException {
if (isChecked()) {
return;
}
if (isReference()) {
super.dieOnCircularReference(stk, p);
} else {
if (union != null) {
pushAndInvokeCircularReferenceCheck(union, stk, p);
}
setChecked(true);
}
}
