public void relateAcrossR603To(Statement_c target, boolean notifyChanges) {
if (target == null) return;
if (target == IsSupertypeStatement) return; // already related
if (IsSupertypeStatement != target) {
Object oldKey = getInstanceKey();
if (IsSupertypeStatement != null) {
IsSupertypeStatement.clearBackPointerR603To(this);
if (Boolean.valueOf(System.getenv("PTC_MCC_ENABLED")) == true) { // $NON-NLS-1$
Ooaofooa.log.println(
ILogger.CONSISTENCY,
"AssignToMember_c.relateAcrossR603To(Statement_c target)",
"Relate performed across R603 from Assign to Member to Statement without unrelate of prior instance.");
}
}
IsSupertypeStatement = target;
m_statement_id = target.getStatement_id();
updateInstanceKey(oldKey, getInstanceKey());
target.setBackPointerR603To(this);
target.addRef();
}
}
public void unrelateAcrossR603From(Statement_c target, boolean notifyChanges) {
if (target == null) return;
if (IsSupertypeStatement == null) return; // already unrelated
if (target != IsSupertypeStatement) {
Exception e = new Exception();
e.fillInStackTrace();
CorePlugin.logError("Tried to unrelate from non-related instance across R603", e);
return;
}
if (target != null) {
target.clearBackPointerR603To(this);
}
if (IsSupertypeStatement != null) {
m_statement_id = IsSupertypeStatement.getStatement_id();
IsSupertypeStatement = null;
target.removeRef();
}
}