final BackingStore<String, HAInstance> bs;
// Removes expired entrees from BackingStore
TimerTask expiredTask;
HAMap() {
StoreType type = haEnabled ? StoreType.IN_MEMORY : StoreType.NOOP;
bs = HighAvailabilityProvider.INSTANCE.createBackingStore(
HighAvailabilityProvider.INSTANCE.getBackingStoreFactory(type),
owner.getServiceName() + ":" + owner.getPortName() + ":STATEFUL_WEB_SERVICE",
String.class,
HAInstance.class);