Managing Idempotence in SOA Suite by Waslley Souza

clip_image002According to the SOA Suite 12c documentation, an idempotent activity is an activity that can be safely retried. It means if your BPEL Process fails, a rollback operation will be executed and all data won’t be persisted in the database. OK, but sometimes you want to persist some data even your BPEL Process fails. How can you achieve it? Set the operation as nonidempotent and the Dehydration will occur after this operation.

In this post, you will learn how to set an operation as nonidempotent.
As a starting point, let’s use the application created here: Using DB Adapter in SOA Suite 12c.
We will add a new Database Adapter to manage the jobs table, and when we try to add a new employee with a new job, the job will be persisted even if the BPEL Process fails.

Download the sample application: SOAIdempotentApp.zip.

Open the EmployeeProject file.
To create the Database Adapter, right-click External References section, and choose Insert > Database.
In Step 1, set the name as JOBSDbReference and click Next.

hIn Step 2, choose the Database Connection, set the JNDI Name and click Next.
In Step 3, choose Insert Only and Select By Primary Key options, and click Next. Read the complete article here.

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About Jürgen Kress
As a middleware expert Jürgen works at Oracle EMEA Alliances and Channels, responsible for Oracle’s EMEA Fusion Middleware partner business. He is the founder of the Oracle SOA & BPM and the WebLogic Partner Communities and the global Oracle Partner Advisory Councils. With more than 5000 members from all over the world the Middleware Partner Community is the most successful and active community at Oracle. Jürgen manages the community with monthly newsletters, webcasts and conferences. He hosts his annual Fusion Middleware Partner Community Forums and the Fusion Middleware Summer Camps, where more than 200 partners get product updates, roadmap insights and hands-on trainings. Supplemented by many web 2.0 tools like twitter, discussion forums, online communities, blogs and wikis. For the SOA & Cloud Symposium by Thomas Erl, Jürgen is a member of the steering board. He is also a frequent speaker at conferences like the SOA & BPM Integration Days, JAX, UKOUG, OUGN, or OOP.

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