Examples with StatefulRedisPubSubConnection io.lettuce.core.pubsub.StatefulRedisPubSubConnection used on opensource projects

Example 6 with StatefulRedisPubSubConnection

use of io.lettuce.core.pubsub.StatefulRedisPubSubConnection in project lettuce-core by lettuce-io.

the class SentinelTopologyRefresh method initializeSentinels.

/**
 * Initialize/extend connections to Sentinel servers.
 *
 * @return
 */
private CompletionStage<Void> initializeSentinels() {
    if (closed) {
        return closeFuture;
    }
    Duration timeout = getTimeout();
    List<ConnectionFuture<StatefulRedisPubSubConnection<String, String>>> connectionFutures = potentiallyConnectSentinels();
    if (connectionFutures.isEmpty()) {
        return CompletableFuture.completedFuture(null);
    }
    if (closed) {
        return closeAsync();
    }
    SentinelTopologyRefreshConnections collector = collectConnections(connectionFutures);
    CompletionStage<SentinelTopologyRefreshConnections> completionStage = collector.getOrTimeout(timeout, redisClient.getResources().eventExecutorGroup());
    return completionStage.whenComplete((aVoid, throwable) -> {
        if (throwable != null) {
            closeAsync();
        }
    }).thenApply(noop -> (Void) null);
}

Example 7 with StatefulRedisPubSubConnection

use of io.lettuce.core.pubsub.StatefulRedisPubSubConnection in project lettuce-core by lettuce-io.

the class SentinelTopologyRefresh method potentiallyConnectSentinels.

/**
 * Inspect whether additional Sentinel connections are required based on the which Sentinels are currently connected.
 *
 * @return list of futures that are notified with the connection progress.
 */
private List<ConnectionFuture<StatefulRedisPubSubConnection<String, String>>> potentiallyConnectSentinels() {
    List<ConnectionFuture<StatefulRedisPubSubConnection<String, String>>> connectionFutures = new ArrayList<>();
    for (RedisURI sentinel : sentinels) {
        if (pubSubConnections.containsKey(sentinel)) {
            continue;
        }
        ConnectionFuture<StatefulRedisPubSubConnection<String, String>> future = redisClient.connectPubSubAsync(CODEC, sentinel);
        pubSubConnections.put(sentinel, future);
        future.whenComplete((connection, throwable) -> {
            if (throwable != null || closed) {
                pubSubConnections.remove(sentinel);
            }
            if (closed) {
                connection.closeAsync();
            }
        });
        connectionFutures.add(future);
    }
    return connectionFutures;
}

Example 8 with StatefulRedisPubSubConnection

use of io.lettuce.core.pubsub.StatefulRedisPubSubConnection in project lettuce-core by lettuce-io.

the class SentinelTopologyRefreshUnitTests method bindWithSecondSentinelFails.

@Test
void bindWithSecondSentinelFails() {
    sut = new SentinelTopologyRefresh(redisClient, "mymaster", Arrays.asList(host1, host2));
    when(redisClient.connectPubSubAsync(any(StringCodec.class), eq(host2))).thenReturn(ConnectionFuture.from(null, Futures.failed(new RedisConnectionException("err"))));
    sut.bind(refreshRunnable);
    Map<RedisURI, StatefulRedisPubSubConnection<String, String>> connections = (Map) ReflectionTestUtils.getField(sut, "pubSubConnections");
    assertThat(connections).containsKey(host1).hasSize(1);
}