Pulasthi, Sorry for the late reply. But check how API Manager and App Manager has implemented workflow support.
It has been implemented in a generic way that can be used by other products. API Manager's workflow support was added about 1.5 years ago. On Sat, Apr 4, 2015 at 5:31 PM, Pulasthi Mahawithana <[email protected]> wrote: > 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 > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- /sumedha m: +94 773017743 b : bit.ly/sumedha
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