public RedisPubSubConnection nextPubSubConnection() {
clientsEmpty.awaitUninterruptibly();
List<SubscribesConnectionEntry> clientsCopy =
new ArrayList<SubscribesConnectionEntry>(clients.values());
while (true) {
if (clientsCopy.isEmpty()) {
throw new RedisConnectionException("Slave subscribe-connection pool gets exhausted!");
}
int index = getIndex(clientsCopy);
SubscribesConnectionEntry entry = clientsCopy.get(index);
if (entry.isFreezed() || !entry.getSubscribeConnectionsSemaphore().tryAcquire()) {
clientsCopy.remove(index);
} else {
try {
RedisPubSubConnection conn = entry.pollFreeSubscribeConnection();
if (conn != null) {
return conn;
}
return entry.connectPubSub(config);
} catch (RedisConnectionException e) {
entry.getSubscribeConnectionsSemaphore().release();
// TODO connection scoring
log.warn("Can't connect to {}, trying next connection!", entry.getClient().getAddr());
clientsCopy.remove(index);
}
}
}
}
public RedisConnection nextConnection() {
clientsEmpty.awaitUninterruptibly();
List<SubscribesConnectionEntry> clientsCopy =
new ArrayList<SubscribesConnectionEntry>(clients.values());
while (true) {
if (clientsCopy.isEmpty()) {
throw new RedisConnectionException("Slave connection pool gets exhausted!");
}
int index = getIndex(clientsCopy);
SubscribesConnectionEntry entry = clientsCopy.get(index);
RedisConnection conn = retrieveConnection(entry);
if (conn == null) {
clientsCopy.remove(index);
} else {
return conn;
}
}
}
