Examples with ProtocolVersion org.apache.pulsar.common.api.proto.PulsarApi.ProtocolVersion used on opensource projects

Example 1 with ProtocolVersion

use of org.apache.pulsar.common.api.proto.PulsarApi.ProtocolVersion in project incubator-pulsar by apache.

the class ConsumerImpl method internalGetLastMessageIdAsync.

private void internalGetLastMessageIdAsync(final Backoff backoff, final AtomicLong remainingTime, CompletableFuture<MessageId> future) {
    ClientCnx cnx = cnx();
    if (isConnected() && cnx != null) {
        if (!Commands.peerSupportsGetLastMessageId(cnx.getRemoteEndpointProtocolVersion())) {
            future.completeExceptionally(new PulsarClientException.NotSupportedException("GetLastMessageId Not supported for ProtocolVersion: " + cnx.getRemoteEndpointProtocolVersion()));
        }
        long requestId = client.newRequestId();
        ByteBuf getLastIdCmd = Commands.newGetLastMessageId(consumerId, requestId);
        log.info("[{}][{}] Get topic last message Id", topic, subscription);
        cnx.sendGetLastMessageId(getLastIdCmd, requestId).thenAccept((result) -> {
            log.info("[{}][{}] Successfully getLastMessageId {}:{}", topic, subscription, result.getLedgerId(), result.getEntryId());
            future.complete(new MessageIdImpl(result.getLedgerId(), result.getEntryId(), result.getPartition()));
        }).exceptionally(e -> {
            log.error("[{}][{}] Failed getLastMessageId command", topic, subscription);
            future.completeExceptionally(e.getCause());
            return null;
        });
    } else {
        long nextDelay = Math.min(backoff.next(), remainingTime.get());
        if (nextDelay <= 0) {
            future.completeExceptionally(new PulsarClientException.TimeoutException("Could not getLastMessageId within configured timeout."));
            return;
        }
        ((ScheduledExecutorService) listenerExecutor).schedule(() -> {
            log.warn("[{}] [{}] Could not get connection while getLastMessageId -- Will try again in {} ms", topic, getHandlerName(), nextDelay);
            remainingTime.addAndGet(-nextDelay);
            internalGetLastMessageIdAsync(backoff, remainingTime, future);
        }, nextDelay, TimeUnit.MILLISECONDS);
    }
}