MSAMM
Back to course

Oracle Visual Builder: Applications That Outlive Their First Release · Module 6 · Connecting to Fusion

Calling an OIC integration instead

Lesson 63 of 176 · 3 min

When the work belongs in AN INTEGRATION rather than in YOUR PAGE, and HOW THE TWO COURSES MEET AT THIS BOUNDARY. Some of what a page needs is not one call to one service, and that is the moment to ask whether it belongs in the page at all. THE TEST IS SIMPLE: HOW MANY SYSTEMS DOES THIS OPERATION TOUCH, AND WHAT HAPPENS IF IT FAILS HALFWAY? One call to one service belongs in your page. Three calls to two systems where the second failing leaves the first already done belongs in an integration, because that is a transaction problem and a browser is the worst place in the estate to have one. A BROWSER CANNOT RETRY WHAT IT DOES NOT REMEMBER. The user closes the tab, loses connectivity, or navigates away, and any half-completed sequence stops where it stopped — with no record, no retry, and nothing to reconcile…

The full lesson is part of the course

The video, the complete written lesson and the module quiz are included in Oracle Visual Builder: Applications That Outlive Their First Release, with a certificate on completion and a fourteen-day refund window.

See the course and enrol9 free lessons

Get the free lessons by email

We will email you a link to every free lesson in this course. No account needed, and one message only.

In this module: Module 6 · Connecting to Fusion

  1. 1What a service connection is
  2. 2Creating one against a Fusion REST APIFree preview
  3. 3Authentication, and whose identity is used
  4. 4Why a shared service account is usually wrong
  5. 5Query parameters, filtering and fields
  6. 6Pagination, properly
  7. 7Writing back to Fusion
  8. 8When the shape changes underneath you
  9. 9Calling an OIC integration instead
  10. 10Handling a service that is down
  11. 11CORS and the errors it produces
  12. 12What breaks: four connection failures
  13. 13Lab briefing · Connect, over-fetch, then fix it