JDeveloper: Task Flow with optional Parameters by Timo Hahn

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In one of my current projects, I came across a wired problem concerning a task flow which uses parameters to configure the flow. To make it simple to understand the problem I made up a fictive use case.

Use Case

This is not a real use case, but an abbreviation of it just to show the problem and how to resolve it. It might not make sense in real life, but it allows to show the problem.

We like to see a form to enter some data. One of the fields the user can enter should be used to select a specific layout of the following pages. Ony Layout should be horizontal and one should be vertical.

The layout should allow showing a title with a number, a text part, and a footer part. Each of the parts is optional, only the layout must be specified.

The flow can be used at different points in different flows in the application.

Implementation

The implementation is easy. We build a task flow, build with pages, and add 5 parameters to it. This task flow looks like this: Read the complete article here.

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Technorati Tags: PaaS,Cloud,Middleware Update,WebLogic, WebLogic Community,Oracle,OPN,Jürgen Kress

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