Hi Isuru,

Can you also provide a patch for configuration language guide (mediators.xml)?

Thanks,
Hiranya

On Aug 20, 2013, at 6:25 AM, Isuru Udana <[email protected]> wrote:

> Hi Hiranya,
> 
> I have attach a patch to [1] with suggested modifications. A sample and an 
> integration test is also attached to [2].
> 
> [1] https://issues.apache.org/jira/browse/SYNAPSE-969
> [2] https://issues.apache.org/jira/browse/SYNAPSE-970
> 
> Thanks.
> 
> 
> 
> On Tue, Aug 20, 2013 at 8:14 AM, Isuru Udana <[email protected]> wrote:
> 
> 
> 
> On Tue, Aug 20, 2013 at 12:13 AM, Hiranya Jayathilaka <[email protected]> 
> wrote:
> And one more thing. 
> 
> I noticed that when the callout mediator is configured with an endpointKey, 
> the key is resolved only once (at the first message). Try to make it so that 
> the mediator will resolve the key on each message. That way the callout 
> mediator can take advantage of the underlying caching + dynamic endpoint 
> update system.
> I will do this modification along with the inline endpoint support.
> 
> Thanks. 
> 
> Thanks,
> Hiranya
>  
> On Aug 19, 2013, at 8:21 AM, Isuru Udana <[email protected]> wrote:
> 
>> Hi Udayanga,
>> 
>> On Mon, Aug 19, 2013 at 7:01 PM, Udayanga Wickramasinghe 
>> <[email protected]> wrote:
>> 
>> 
>> 
>> On Sun, Aug 18, 2013 at 9:58 AM, Isuru Udana <[email protected]> wrote:
>> Hi All,
>> 
>> Currently we have following two main places we use a blocking client to 
>> invoke services. 
>> 1. Callout Mediator 
>> 2. Forwarding Message Processor 
>> 
>> Both these components use the axis2 service client to invoke services in a 
>> blocking manner. 
>> Since the implementation is very simple, provided functionality is very 
>> limited. 
>> 
>> Currently we have following major limitations. 
>> 
>> * Supports only SOAP 
>> * Message format conversion is not supported 
>> * QOS functionality (WS-Security, etc.) are not supported 
>> * Cannot specify an endpoint as the service endpoint reference (In message 
>> processors we can specify an Address endpoint. But none of the other 
>> endpoint types and other endpoint functionality is supported) 
>> 
>> I have implemented a new blocking client which can be used as a common 
>> blocking sender for both above components. 
>> This new implementation will provide the following functionality. 
>> 
>> * Support all leaf endpoint types 
>> * Support for REST 
>> * Support Endpoint functionality. 
>>       - Endpoint format conversions (soap11,soap12,pox, etc.) 
>>       - WS-Security, WS-A 
>>       - Endpoint Timeout (nhttp transport specific functionality is not 
>> supported) 
>> * message format conversions (ability to use messageType/ContentType 
>> properties) 
>> 
>> I have attached this implementation as patch to SYNAPSE-966 [1].
>> I have also attached a patch[2] to migrate the Callout mediator to this 
>> implementation.
>> A sample with documentation and an integration test is also attached at [3].
>> 
>> +1 
>> This would be a great addition. I think synapse library support for a 
>> blocking client would also be a good idea. Specially because many users tend 
>> to create complex workflows with Synapse using either service chaining ,etc 
>> without any obvious high performance requirement (leveraging asynchronous 
>> non blocking capability of Synapse). I think a synapse library would provide 
>> a high level abstraction as well as portability for easily creating such 
>> workflows. 
>> 
>> I think those service chaining workflows can be simplified by introducing a 
>> Callout like behavior for the send mediator.
>> It will make the service chaining scenarios much simpler and we will able to 
>> leverage asynchronous non blocking transports as well.
>> I have already done significant amount of work on implementing this feature. 
>> If I get enough time to test the implementation completely before this 
>> release, I will provide a patch to review. 
>> 
>> Thanks.
>> 
>> If others interested, I can provide patches to migrate Message processor to 
>> this implementation and more samples.
>> 
>> [1] https://issues.apache.org/jira/browse/SYNAPSE-966
>> [2] https://issues.apache.org/jira/browse/SYNAPSE-967
>> [3] https://issues.apache.org/jira/browse/SYNAPSE-968
>> 
>> Thanks.               
>> Isuru
>> 
>> -- 
>> Isuru Udana
>> Senior  Software Engineer; WSO2 Inc.; http://wso2.com
>> 
>> email: [email protected] 
>> blog: http://mytecheye.blogspot.com/
>> twitter: http://twitter.com/isudana
>> 
>> 
>> 
>> 
>> 
>> 
>> -- 
>> http://www.udayangawiki.blogspot.com
>> 
>> 
>> 
>> -- 
>> Isuru Udana
>> Senior  Software Engineer; WSO2 Inc.; http://wso2.com
>> 
>> email: [email protected] 
>> blog: http://mytecheye.blogspot.com/
>> twitter: http://twitter.com/isudana
>> 
>> 
>> 
> 
> --
> Hiranya Jayathilaka
> Mayhem Lab/RACE Lab;
> Dept. of Computer Science, UCSB;  http://cs.ucsb.edu
> E-mail: [email protected];  Mobile: +1 (805) 895-7443
> Blog: http://techfeast-hiranya.blogspot.com
> 
> 
> 
> 
> -- 
> Isuru Udana
> Senior  Software Engineer; WSO2 Inc.; http://wso2.com
> 
> email: [email protected] 
> blog: http://mytecheye.blogspot.com/
> twitter: http://twitter.com/isudana
> 
> 
> 
> 
> 
> 
> -- 
> Isuru Udana
> Senior  Software Engineer; WSO2 Inc.; http://wso2.com
> 
> email: [email protected] 
> blog: http://mytecheye.blogspot.com/
> twitter: http://twitter.com/isudana
> 
> 
> 

--
Hiranya Jayathilaka
Mayhem Lab/RACE Lab;
Dept. of Computer Science, UCSB;  http://cs.ucsb.edu
E-mail: [email protected];  Mobile: +1 (805) 895-7443
Blog: http://techfeast-hiranya.blogspot.com

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