/** Record the current state of all the actors in this composite actor. */
public void markState() {
Set<Checkpoint> checkpoints = new HashSet<Checkpoint>();
Iterator objectsIter = containedObjectsIterator();
while (objectsIter.hasNext()) {
Object object = objectsIter.next();
if (object instanceof Rollbackable) {
Rollbackable rollbackObject = (Rollbackable) object;
Checkpoint checkpoint = rollbackObject.$GET$CHECKPOINT();
if (!checkpoints.contains(checkpoint)) {
// FIXME: older states should be discarded.
checkpoint.createCheckpoint();
checkpoints.add(checkpoint);
}
}
}
}
