OIC Technical Accelerators – Re-sequencer by Niall Commiskey


Let’s try out the Re-sequencer – useful for my simple use case of requencing orders by orderNr, before processing them. The job of the re-sequencer is to process the input messages, in my case – orders, based on a sequence id – e.g. orderNr, as opposed to processing them based on time of arrival. In this scenario, each message will be "parked" in an ATP DB for a certain time period. This allows out of sequence orders to arrive and be processed in the correct order.
orderNr 3 for Lucia Inc.
orderNr 2 for Phillip Inc.
orderNr 1 for Lucia Inc.

need to be re-sequenced as –
orderNr 1 for Lucia Inc.
orderNr 2 for Lucia Inc.

orderNr 3 for Lucia Inc.

The Re-sequencer has the concept of groups – e.g. the Orders group, the HCM employee update group etc, i.e. the type of messages to be resequenced. There are other key parameters, which are discussed in the documentation, a link to which is provided below. There are also discussed in this post. Before I actually start using the Accelerator, let’s take a detailed look at it in the OIC Home Page – Read the complete article here.

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Technorati Tags: SOA Community,Oracle SOA,Oracle BPM,OPN,Jürgen Kress

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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