Examples with LogStreamService io.zeebe.broker.logstreams.LogStreamService used on opensource projects

Example 1 with LogStreamService

use of io.zeebe.broker.logstreams.LogStreamService in project zeebe by zeebe-io.

the class RaftService method onStateChange.

@Override
public void onStateChange(int partitionId, DirectBuffer topicName, SocketAddress socketAddress, RaftState raftState) {
    actor.call(() -> {
        currentRaftState = raftState;
        if (currentRaftState == RaftState.LEADER) {
            Loggers.CLUSTERING_LOGGER.debug("Start log stream...topic {}", BufferUtil.bufferAsString(raft.getLogStream().getTopicName()));
            final LogStream logStream = raft.getLogStream();
            final LogStreamService service = new LogStreamService(logStream);
            final ServiceName<LogStream> streamGroup = Protocol.SYSTEM_TOPIC_BUF.equals(logStream.getTopicName()) ? LogStreamServiceNames.SYSTEM_STREAM_GROUP : LogStreamServiceNames.WORKFLOW_STREAM_GROUP;
            final ActorFuture<Void> future = startContext.createService(logStreamServiceName, service).dependency(CLUSTER_MANAGER_SERVICE).dependency(raftServiceName).group(streamGroup).install();
            actor.runOnCompletion(future, (v, throwable) -> {
                if (throwable == null) {
                    actor.submit(() -> {
                        onOpenLogStreamListener.onOpenLogStreamService(raft.getLogStream());
                    });
                } else {
                    LOG.error("Failed to install log stream service '{}'", logStreamServiceName);
                }
            });
        } else if (currentRaftState == RaftState.FOLLOWER && startContext.hasService(logStreamServiceName)) {
            startContext.removeService(logStreamServiceName);
        }
    });
}