@Override
public void startStateTransfer(String sendingSite) {
if (debug) {
log.debugf("Starting state transfer. Receiving from %s", sendingSite);
}
if (this.sendingSite.compareAndSet(null, sendingSite)) {
commitManager.startTrack(Flag.PUT_FOR_X_SITE_STATE_TRANSFER);
} else {
throw new CacheException("Already receiving state from " + this.sendingSite.get());
}
}
@Override
public void endStateTransfer(String sendingSite) {
if (debug) {
log.debugf("Ending state transfer from %s", sendingSite);
}
String currentSendingSite = this.sendingSite.get();
if (sendingSite == null || sendingSite.equals(currentSendingSite)) {
this.sendingSite.set(null);
commitManager.stopTrack(PUT_FOR_X_SITE_STATE_TRANSFER);
} else {
if (log.isDebugEnabled()) {
log.debugf(
"Received an end request from a non-sender site. Expects %s but got %s",
currentSendingSite, sendingSite);
}
}
}