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Posted to dev@synapse.apache.org by "Isuru Udana Loku Narangoda (JIRA)" <ji...@apache.org> on 2013/09/10 19:11:52 UTC
[jira] [Commented] (SYNAPSE-975) Non blocking Callout Mediator
(Call Mediator)
[ 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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