private Instance getChanges(
Instance in, Function<Instance, Instance> oldFunction, boolean isInput) {
if (in._isNew()) {
return in.cloneInstance();
}
Instance old = oldFunction.apply(in);
return prepareChanges(in, old, oldFunction, isInput);
}
/**
* Allocates duplicate IDs to newly inserted instances in this organization to reference it from
* other instance.
*
* @param in
* @param entityId
*/
private void allocateDuplicateId(Instance in, MutableLong entityId) {
if (in == null) {
return;
}
if (in._isNew()) {
long nextId = IdProvider.prepareID(entityId.longValue(), 0, in._type(), true);
in._setId(nextId);
entityId.increment();
}
in._visit(
(inst, isChild) -> {
if (isChild) {
allocateDuplicateId((Instance) inst, entityId);
}
});
}