Examples of org.nebulaframework.grid.service.message.ServiceMessage

Package org.nebulaframework.grid.service.message

Examples of org.nebulaframework.grid.service.message.ServiceMessage

org.nebulaframework.grid.service.message.ServiceMessage
A {@code ServiceMessage} is a message sent by {@code ClusterManager} to {@code GridNode}s registered with it, using the {@code ServiceTopic}. Service messages may be sent to notify various types of information to the {@code GridNode}, specified by {@link ServiceMessageType}.
The main categories of ServiceMessages as of current implementation is
- Job Messages (Start, End, Cancel)
- Cluster Messages (Shutdown of {@code ClusterManager})
This class implements {@link Externalizable} interface, instead of {@link Serializable}to improve performance in communications, by reducing the data transfer amount and serialization time [Grosso, W. 2001. "Java RMI", Section 10.7.1]. @author Yohan Liyanage @version 1.0

    finished++;
    // Remove GridJob from Active GridJobs map
    removeJob(jobId);


    // Create ServiceMessage for Job Cancel Notification
    ServiceMessage message = new ServiceMessage(jobId,
        ServiceMessageType.JOB_CANCEL);


    // Send ServiceMessage to GridNodes
    cluster.getServiceMessageSender().sendServiceMessage(message);
    log.debug("[ClusterJobService] Notified Job Cancel {" + jobId + "}");

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   */
  public void disconnected() {
    instance = null;
    
    // Fire Service Event (as ClusterShutdown)
    ServiceMessage message = new ServiceMessage(this.clusterId.toString(),
                                                ServiceMessageType.NODE_DISCONNECTED);
    
    // Reset Grid State
    Grid.nodeDisconnected();

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          String msgBody = workerId + "#" + profile.getJobId();
          
          
          // Send banned message
          ServiceMessage message = new ServiceMessage(msgBody, 
                                                      ServiceMessageType.NODE_BANNED);
          
          try {
            ServiceMessageSender sender = ClusterManager.getInstance().getServiceMessageSender();
            sender.sendServiceMessage(message);

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      if (node.getId().toString().equals(message.getMessage().split("#")[0])) {
        
        try {
          // Create a Cancel Message and Send
          ServiceMessage msg = new ServiceMessage(message.getMessage().split("#")[1], ServiceMessageType.JOB_CANCEL);
          node.getJobExecutionService().onServiceMessage(msg);
          
        } catch (Exception e) {
          log.warn("[ServiceMessage] Exception while processing message", e);
        }

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org.nebulaframework.grid.cluster.manager.ClusterManager

org.nebulaframework.grid.cluster.manager.services.heartbeat.HeartBeatTracker

org.nebulaframework.grid.cluster.manager.services.jobs.ClusterJobServiceImpl

org.nebulaframework.grid.cluster.manager.services.jobs.ResultCollectionSupport

org.nebulaframework.grid.cluster.manager.services.peers.PeerClusterServiceImpl

org.nebulaframework.grid.cluster.manager.services.registration.ClusterRegistrationServiceImpl

org.nebulaframework.grid.cluster.node.GridNode

org.nebulaframework.grid.cluster.node.services.job.execution.TaskExecutor

org.nebulaframework.grid.cluster.node.services.message.NodeServiceMessageSupportImpl

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