Examples of com.caucho.bam.stream.MessageStream

com.caucho.bam.stream.MessageStream
Primary stream handling all message packets. {@link com.caucho.bam.actor.ActorHolder Actors} send packets to the {@link com.caucho.bam.broker.Broker} for delivery to other Actors.Messages are divided into two groups:
- message - unidirectional messages
- query - RPC call/reply packets

    if (log.isLoggable(Level.FINEST)) {
      log.finest(this + ": message " + payload
                 + "\n  {to: " + to + ", from:" + from + "}");
    }
    
    MessageStream toStream = getMailbox(to);
    
    if (toStream != null) {
      toStream.message(to, from, payload);
      return;
    }


    String msg;
    msg = (this + ": message to unknown actor"
           + "\n  to: " + to
           + "\n  from: " + from
           + "\n  payload: " + payload);
    
    if (log.isLoggable(Level.FINER)) {
      log.finer(msg);
    }


    BamError error = new BamError(BamError.TYPE_CANCEL,
                                      BamError.ITEM_NOT_FOUND,
                                      msg);


    MessageStream fromStream = getMailbox(from);


    if (fromStream != null)
      fromStream.messageError(from, to, payload, error);
  }

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      log.finest(this + ": messageError " + error
                 + "\n  " + payload
                 + "\n  {to: " + to + ", from:" + from + "}");
    }
    
    MessageStream toStream = getMailbox(to);
    
    if (toStream != null) {
      toStream.messageError(to, from, payload, error);
      return;
    }


    String msg;
    msg = (this + ": messageError to unknown actor to:" + to

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    if (log.isLoggable(Level.FINEST)) {
      log.finest(this + ": query(" + id + ") " + payload
                 + "\n  {to: " + to + ", from:" + from + "}");
    }
    
    MessageStream toStream = getMailbox(to);
    
    if (toStream != null) {
      toStream.query(id, to, from, payload);
      return;
    }


    String msg;
    msg = (this + ": query(" + id + ") to unknown actor to:" + to
           + "\n  from:" + from
           + "\n  payload:" + payload);
    
    if (log.isLoggable(Level.FINER)) {
      log.finer(msg);
    }


    BamError error = new BamError(BamError.TYPE_CANCEL,
                                      BamError.ITEM_NOT_FOUND,
                                      msg);


    MessageStream fromStream = getMailbox(from);


    if (fromStream != null)
      fromStream.queryError(id, from, to, payload, error);
  }

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    if (log.isLoggable(Level.FINEST)) {
      log.finest(this + ": queryResult(" + id + ") " + payload
                 + "\n  {to: " + to + ", from:" + from + "}");
    }
    
    MessageStream toStream = getMailbox(to);
    
    if (toStream != null) {
      toStream.queryResult(id, to, from, payload);
      return;
    }


    String msg;
    msg = (this + ": queryResult(qid=" + id + ") to unknown actor"

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      log.finest(this + ": queryError(" + id + ") " + error
                 + "\n  " + payload
                 + "\n  {to: " + to + ", from:" + from + "}");
    }
    
    MessageStream toStream = getMailbox(to);
    
    if (toStream != null) {
      toStream.queryError(id, to, from, payload, error);
      return;
    }


    String msg;
    msg = (this + ": queryError(" + id + ") to unknown actor to:" + to

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    Mailbox mailbox = new MultiworkerMailbox(next.getAddress(),
                                             _actor,
                                             broker, 
                                             1);


    MessageStream stream = broker.createClient(mailbox, uid, resource);
    _clientAddress = stream.getAddress();
  }

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    Mailbox mailbox = new MultiworkerMailbox(null,
                                             _actor,
                                             broker, 
                                             1);


    MessageStream stream = broker.createClient(mailbox, uid, resource);
    _clientAddress = stream.getAddress();
  }

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   * @param payload the message payload
   */
  @Override
  public void message(String to, Serializable payload)
  {
    MessageStream broker = getBroker();


    if (broker == null)
      throw new IllegalStateException(this + " can't send a message because the link is closed.");


    broker.message(to, getAddress(), payload);
  }

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  @Override
  public Serializable query(String to,
                            Serializable payload,
                            long timeout)
  {
    MessageStream linkStream = getBroker();


    if (linkStream == null)
      throw new IllegalStateException(this + " can't send a query because the link is closed.");


    long id = _queryManager.nextQueryId();
    
    QueryFuture future
      = _queryManager.addQueryFuture(id, to, getAddress(), payload, timeout);


    linkStream.query(id, to, getAddress(), payload);
    
    return future.get();
  }

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  public void query(String to,
                    Serializable payload,
                    QueryCallback callback,
                    long timeout)
  {
    MessageStream linkStream = getBroker();


    if (linkStream == null)
      throw new IllegalStateException(this + " can't send a query because the link is closed.");


    long id = _queryManager.nextQueryId();
    
    _queryManager.addQueryCallback(id, callback, timeout);
    
    linkStream.query(id, to, getAddress(), payload);
  }

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Related Classes of com.caucho.bam.stream.MessageStream

com.caucho.bam.actor.SimpleActorSender

com.caucho.bam.broker.AbstractBrokerStream

com.caucho.bam.client.LinkClient

com.caucho.hemp.broker.HempBroker

com.caucho.hmtp.HmtpLinkConnection

com.caucho.hmtp.HmtpLinkWorker

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