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From "Isuru Udana Loku Narangoda (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SYNAPSE-975) Non blocking Callout Mediator (Call Mediator)
Date Tue, 10 Sep 2013 17:11:52 GMT

    [ https://issues.apache.org/jira/browse/SYNAPSE-975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13763232#comment-13763232
] 

Isuru Udana Loku Narangoda commented on SYNAPSE-975:
----------------------------------------------------

I am making some changes to the logic that decide whether to enable/disable stack operations.
I will submit a new patch next weekend with those modifications.
                
> Non blocking Callout Mediator (Call Mediator)
> ---------------------------------------------
>
>                 Key: SYNAPSE-975
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-975
>             Project: Synapse
>          Issue Type: New Feature
>            Reporter: Isuru Udana Loku Narangoda
>            Assignee: Hiranya Jayathilaka
>         Attachments: sample440.patch, SYNAPSE-975.patch, synapse-configs-for-integration-tests.zip
>
>
> One of the major drawbacks in Callout mediator is, it does not leverage the non-blocking
transports.
> Send mediator which leverages the non-blocking transports, does not provide a simple
way to implement service chaining scenarios.
> Idea of the the Call Mediator is to solve the above two concerns.
> Call Mediator invokes the backend service in an asynchronous manner and return without
waiting for the response.
> Mediation will be paused from that point.
> When response is received, mediation flow resumes from next mediator placed after the
Call Mediator.
> User will experience two major features with the Mediator.
> * Service chaining scenarios will be much easier to implement.
> * Since both request and response can be handled within a single sequence, can define
reusable sequences. 

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