public void relateAcrossR805To(Variable_c target, boolean notifyChanges) {
if (target == null) return;
if (target == ReferencesVariable) return; // already related
if (ReferencesVariable != target) {
Object oldKey = getInstanceKey();
if (ReferencesVariable != null) {
ReferencesVariable.clearBackPointerR805To(this);
if (Boolean.valueOf(System.getenv("PTC_MCC_ENABLED")) == true) { // $NON-NLS-1$
Ooaofooa.log.println(
ILogger.CONSISTENCY,
"TransientValueReference_c.relateAcrossR805To(Variable_c target)",
"Relate performed across R805 from Transient Value Reference to Variable without unrelate of prior instance.");
}
}
ReferencesVariable = target;
m_var_id = target.getVar_id();
updateInstanceKey(oldKey, getInstanceKey());
target.setBackPointerR805To(this);
target.addRef();
}
}
public void unrelateAcrossR805From(Variable_c target, boolean notifyChanges) {
if (target == null) return;
if (ReferencesVariable == null) return; // already unrelated
if (target != ReferencesVariable) {
Exception e = new Exception();
e.fillInStackTrace();
CorePlugin.logError("Tried to unrelate from non-related instance across R805", e);
return;
}
if (target != null) {
target.clearBackPointerR805To(this);
}
if (ReferencesVariable != null) {
m_var_id = ReferencesVariable.getVar_id();
ReferencesVariable = null;
target.removeRef();
}
}