Sail baseSail = TweetStore.createSail();
NotifyingSail b;
if (baseSail instanceof NotifyingSail) {
b = (NotifyingSail) baseSail;
} else {
b = new NotifyingSailWrapper();
((NotifyingSailWrapper) b).setBaseSail(baseSail);
}
sail = new WrapperNotifyingSail(b, listener);
sail.initialize();