.synchronizedList(new ArrayList<AlignCalcWorkerI>());
updating = Collections
.synchronizedMap(new Hashtable<Class<? extends AlignCalcWorkerI>, List<AlignCalcWorkerI>>());
.synchronizedList(new ArrayList<AlignCalcWorkerI>());
updating = Collections
.synchronizedMap(new Hashtable<Class<? extends AlignCalcWorkerI>, List<AlignCalcWorkerI>>());