@VisibleForTesting
protected void internalRegisterService(ServiceInstance<T> service) throws Exception {
byte[] bytes = serializer.serialize(service);
String path = pathForInstance(service.getName(), service.getId());
final int MAX_TRIES = 2;
boolean isDone = false;
for (int i = 0; !isDone && (i < MAX_TRIES); ++i) {
try {
CreateMode mode =
(service.getServiceType() == ServiceType.DYNAMIC)
? CreateMode.EPHEMERAL
: CreateMode.PERSISTENT;
client.create().creatingParentsIfNeeded().withMode(mode).forPath(path, bytes);
isDone = true;
} catch (KeeperException.NodeExistsException e) {
client.delete().forPath(path); // must delete then re-create so that watchers fire
}
}
}
