[jira] Created: (SM-1111) Endpoint operation information lost when routing through camel

["Kristian Koehler (JIRA)" <ji...@apache.org>]

Endpoint operation information lost when routing through camel
--------------------------------------------------------------

                 Key: SM-1111
                 URL: https://issues.apache.org/activemq/browse/SM-1111
             Project: ServiceMix
          Issue Type: Bug
          Components: servicemix-camel
            Reporter: Kristian Koehler
         Attachments: patches.zip

Hi

I encountered problems regarding message routing to the camel service engine and
back to the jbi NMR again. The information about the ("initial") called
operation on a endpoint is lost while communicating with camel.

see also
http://www.nabble.com/Possible-Solution-to-a-camel-serviceengine-problem-or-only-a-bad-workaround---tf4645158s12049.html

IMHO there are three different strategies to solve this problem:
(thanks Guillaume pointing me to them ;-) )

* (1) DSL - API call within the RouteBuilder 

  It's currently not possible to do this because the JbiEndpoint doesn't have
  methods to set the operation.

  Sample:

  --- 8< ---
  String toUri = "jbi:endpoint:xxx";

  Endpoint endpoint = getContext().getEndpoint(toUri);

  if (endpoint instanceof JbiEndpoint) {
    		
  	 JbiEndpoint jbiEndpoint = (JbiEndpoint) endpoint;
     //not possible
     jbiEndpoint.setOperation(operation);
    		
  } 
    	
  from(fromUri).to(toUri);
  --- 8< ---

* (2) URI - Setting the operation within the endpoint URI. 

  This option specifies the operation within the given endpoint URI. It's clear
  which operation should be called but you always have to define the operation
  for a routing.

  --- 8< ---
  String toUri = "jbi:endpoint:xxx?operation=process";    	
  from(fromUri).to(toUri);
  --- 8< ---  

* (3) Copying the information

  This option copies the operation information from the "from-"Endpoint to the
  "to-"Endpoint. This is a simple solution if you want to call the same
  operation on all endpoints involved.


I think option 2 and 3 should be applied. Option 2 overrides option 3. If you
specify a direct operation information within your URI this one is used.

Kristian

ps: option 2 and 3 are available as patches within the attached file

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