Set newAssetsCopy = new HashSet (myNewAssets); myNewAssets.clear (); return newAssetsCopy;
  protected Collection getAllAssets() {	Collection collection = getAssetCallback().getSubscription ().getCollection();	if (!incrementalScheduling)	  return collection;	else {	  Set newAssetsCopy = new HashSet (myNewAssets);	  myNewAssets.clear ();	  return newAssetsCopy;	}  }