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WS-BPEL 2.0 Beginner's Guide

You're reading from   WS-BPEL 2.0 Beginner's Guide Design and develop WS-BPEL executable business processes using Oracle SOA Suite 12c

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Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781849688963
Length 388 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (14) Chapters Close

Preface 1. Hello BPEL FREE CHAPTER 2. Service Invocation 3. Variables, Data Manipulation, and Expressions 4. Conditions and Loops 5. Interaction Patterns in BPEL 6. Fault Handling and Signaling 7. Working with Scopes 8. Dynamic Parallel Invocations 9. Human Tasks 10. Events and Event Handlers 11. Compensations A. Pop Quiz Answers Index

Time for action – adding scopes


  1. Let's create two scopes and add those two <invoke> activities into those two scopes separately, so we can define local variables, partner links, and so on, which are only visible within a particular <scope> activity. So drag-and-drop the <scope> activities inside the sequences where the <invoke> activities are, as shown in the following screenshot:

  2. Now we can drag the existing <invoke> activities into the newly added <scope> activities:

  3. Now, the remaining task is to transfer the variables from the global phase to local phase. If you look at the variable hierarchy within the process definition, it looks like the following screenshot:

  4. There is not a straightforward transfer mechanism. So, to transfer what we can do is to clone the definition on the global variable within the <scope> activity and delete the global variable. So, the final variable hierarchy within the process definition will be as shown:

  5. Likewise we can further...

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