/* Counter */
List<Counter> counterSet = sourceDb.query(Counter.class);
Counter counter = counterSet.iterator().next();
sourceDb.activate(counter, Integer.MAX_VALUE);
destinationDb.ext().store(counter, Integer.MAX_VALUE);
monitor.worked(DEFRAG_SUB_WORK_COUNTERS);
/* User might have cancelled the operation */
if (isCanceled(monitor, sourceDb, destinationDb))