Receive info for a process instance

Hello Shark team,

We have a process with (lets say) two steps:
  - Step A generates a document
  - Step B allows the user to retrieve the generated document (the real 
process is more complicated).

We implement a light user interface that instantiates and starts a 
document generation process and periodically checks if the document has 
been generated (i.e. activity A completed, activity B is ready to be 
executed). If the document has been generated, the interface retrieves 
the generated document (executes and completes activity B). In order to 
keep the interface quick and light we just check in the Workflow 
Relevant Data if a result document URL variable is set by activity A. We 
thought that this is a very light operation, whereas retrieval of the 
process instance and checking its activities, seemed to be a "tough" 
operation.

Our problem comes when the application tries to retrieve the value of
mentioned WRD - Shark waits for activity A to finish (if it is still
running) inside the application thread and it seems that within this 
"light" operation, Shark tries to run any automatic activities 
available. This makes the user interface slow and difficult to use.

We would like to know if there is any way to receive information about
process' (or activity) state and its results without letting Shark to
recalculate process(es) state inside the query thread.

Best Regards,
Monique

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