Contents

Asynchronous request / response

Note: This section needs major work.

PeopleBooks:

  1. A source system generates and sends a request.
  2. The application receives and processes the request.
  3. Sometime later the application sends a response back to the source system. The response includes a unique identifier from the original request, which serves as a correlation ID.
  4. The source system processes the response using the correlation ID to map it back to the original request.

Valid Handler Types:

  • OnNotify
  • OnReceive
  • On Response (???? from pbooks)
  • OnRoute
  • OnRequestSend

The sending system invokes a service operation asynchronously and processes the response from the receiving system asynchronously. Unlike a synchronous operation type, the response is not processed on the same thread as the response, and it is processed sometime in the future.

Outbound:

  • The application generates and sends a request.
  • The target system receives and processes the request.
  • Sometime later the target system sends a response which contains the transaction ID from the original request. This ID serves as the correlation ID.
  • The application processes the response using the correlation ID to map it back to the original request. The message sent back is a response in the form of a request.

Inbound:

  • A source system generates and sends a request.
  • The application receives and processes the request.
  • Sometime later the application sends a response back to the source system. The response includes a unique identifier from the original request, which serves as a correlation ID.
  • The source system processes the response using the correlation ID to map it back to the original request.

Example Delivered Service: QAS_QRY_SERVICE QAS_EXECUTEQRYASYNC_OPER - This only has a “OnNotify” handlers

Author Info
Chris Malek

Chris Malek is a PeopleTools® Technical Consultant with over two decades of experience working on PeopleSoft enterprise software projects. He is available for consulting engagements.

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