@Override
public RedisClient route(String key) {
if (this.ketamaClients == null || this.ketamaClients.size() == 0) {
return null;
}
long hash = HashAlgorithm.KETAMA_HASH.hash(key);
RedisClient client = this.getClientByHash(hash);
int tries = 0;
while ((client == null || client.isAvailable()) && tries++ < MAX_TRIES) {
hash = this.nextHash(hash, key, tries);
client = this.getClientByHash(hash);
}
return client;
}
@Override
public boolean isAvailable() {
return master.isAvailable();
}