Hi Pulasthi,

based on what information will the Workflow Manager decide which Workflow
Executor to use?


Best regards,
Frank

2015-04-04 14:01 GMT+02:00 Pulasthi Mahawithana <[email protected]>:

> Hi,
>
> Following is the architecture of the workflow support framework. This was
> initially planned for IS, but can be used across the platform.
>
>
>
> ​
>
> *Workflow Request Handler*
> Build workflow requests and handle the callback requests. This interface
> can be implemented to be used for any event that need to trigger workflows.
> The request will have a uuid, and a set of parameters with their values.
> All these parameters are persisted and will be available at the callback
> handler by the time of response. However the requester can decide which of
> these parameters should be sent to the workflow executor and which should
> not.
>
> The callback handler will get the same request generated by the request
> builder, along with the status from the executor (approved, rejected or
> custom status). Based on the status the event can be completed or cancelled
> at the callback handler.
>
> *Workflow Executor*
> Execute the workflow engine and provide the response back along with the
> uuid. One implementation of this will be the BPEL/WS executor and will be
> available by default. However any other java implementation can also be
> used here.
>
> *WorkflowManager*
> Both RequestHandlers and Executors need to be registered here as OSGI
> services. In addition to that, WorkflowManager will
>
>    - Decide which executor should be invoked for each request.
>    - Persist the requests and maintain their state.
>    - Receive responses from the executors and forward them to their
>    respective callbackHandler.
>
>
> --
> *Pulasthi Mahawithana*
> Software Engineer
> WSO2 Inc., http://wso2.com/
> Mobile: +94-71-5179022
> Blog: http://blog.pulasthi.org
>
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