public StatefulBuffer readStatefulBufferById(Transaction trans, int id, boolean lastCommitted) {
if (id <= 0) {
throw new IllegalArgumentException("id=" + id);
}
Slot slot =
lastCommitted ? trans.idSystem().committedSlot(id) : trans.idSystem().currentSlot(id);
if (DTrace.enabled) {
DTrace.SLOT_READ.logLength(id, slot);
}
return readStatefulBufferBySlot(trans, id, slot);
}
public final boolean delete4(
Transaction transaction, ObjectReference ref, Object obj, int cascade, boolean userCall) {
int id = ref.getID();
StatefulBuffer reader = readStatefulBufferById(transaction, id);
if (reader != null) {
if (obj != null) {
if ((!showInternalClasses()) && Const4.CLASS_INTERNAL.isAssignableFrom(obj.getClass())) {
return false;
}
}
reader.setCascadeDeletes(cascade);
transaction.idSystem().notifySlotDeleted(id, SlotChangeFactory.USER_OBJECTS);
ClassMetadata classMetadata = ref.classMetadata();
classMetadata.delete(reader, obj);
return true;
}
return false;
}
@Override
public boolean isDeleted(Transaction trans, int id) {
return trans.idSystem().isDeleted(id);
}
public final Slot allocateSlotForNewUserObject(Transaction trans, int id, int length) {
Slot slot = allocateSlot(length);
trans.idSystem().notifySlotCreated(id, slot, SlotChangeFactory.USER_OBJECTS);
return slot;
}
public final int idForNewUserObject(Transaction trans) {
return trans.idSystem().newId(SlotChangeFactory.USER_OBJECTS);
}