public void relateAcrossR801To(Value_c target, boolean notifyChanges) {
if (target == null) return;
if (target == IsSupertypeValue) return; // already related
if (IsSupertypeValue != target) {
Object oldKey = getInstanceKey();
if (IsSupertypeValue != null) {
IsSupertypeValue.clearBackPointerR801To(this);
if (Boolean.valueOf(System.getenv("PTC_MCC_ENABLED")) == true) { // $NON-NLS-1$
Ooaofooa.log.println(
ILogger.CONSISTENCY,
"TransientValueReference_c.relateAcrossR801To(Value_c target)",
"Relate performed across R801 from Transient Value Reference to Value without unrelate of prior instance.");
}
}
IsSupertypeValue = target;
m_value_id = target.getValue_id();
updateInstanceKey(oldKey, getInstanceKey());
target.setBackPointerR801To(this);
target.addRef();
}
}
public void unrelateAcrossR801From(Value_c target, boolean notifyChanges) {
if (target == null) return;
if (IsSupertypeValue == null) return; // already unrelated
if (target != IsSupertypeValue) {
Exception e = new Exception();
e.fillInStackTrace();
CorePlugin.logError("Tried to unrelate from non-related instance across R801", e);
return;
}
if (target != null) {
target.clearBackPointerR801To(this);
}
if (IsSupertypeValue != null) {
m_value_id = IsSupertypeValue.getValue_id();
IsSupertypeValue = null;
target.removeRef();
}
}