public void unrelateAcrossR1013From(MessageArgument_c target, boolean notifyChanges) {
if (target == null) return;
if (IsSupertypeMessageArgument == null) return; // already unrelated
if (target != IsSupertypeMessageArgument) {
Exception e = new Exception();
e.fillInStackTrace();
CorePlugin.logError("Tried to unrelate from non-related instance across R1013", e);
return;
}
if (target != null) {
target.clearBackPointerR1013To(this);
}
if (IsSupertypeMessageArgument != null) {
m_arg_id = IsSupertypeMessageArgument.getArg_id();
IsSupertypeMessageArgument = null;
target.removeRef();
if (notifyChanges) {
RelationshipChangeModelDelta change =
new RelationshipChangeModelDelta(
Modeleventnotification_c.DELTA_ELEMENT_UNRELATED, this, target, "1013", "");
Ooaofooa.getDefaultInstance().fireModelElementRelationChanged(change);
}
}
}
