Book Image

Applied SOA Patterns on the Oracle Platform

By : Sergey Popov
Book Image

Applied SOA Patterns on the Oracle Platform

By: Sergey Popov

Overview of this book

Table of Contents (16 chapters)
Applied SOA Patterns on the Oracle Platform
About the Author
About the Reviewers
An Introduction to Oracle Fusion – a Solid Foundation for Service Inventory
Gotcha! Implementing Security Layers

Processing complex events

We are glad to see that the number of publications that oppose EDA and SOA have considerably reduced in recent years, but still there are some who believe that these technologies differ.

Even the word extending is a bit too exuberant to describe the relations between SOA and EDA in general (again, being practical and factual, we do not participate in any discussions of that kind). Why is there, then, such a statement seen so often in publications related to OFM? Well, because in the case of OFM, it is quite true. The following concepts in Oracle SCA are not exactly new but were not established from the very beginning:

  • Establishing sensors in BPEL to detect events

  • Emitting (signaling) events using BPEL (via Invoke | Interaction Type | Event) or Mediator by subscribing to them (Mediator)

  • Consuming emitted events

As you may have noticed, we have been discussing the implementation of SOA patterns on a wide range of Oracle products and sometimes even avoiding using particular...