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

Creating a lightweight taxonomy for dynamic service invocations

Now it is time to assemble a single practical taxonomy for all service entities that our expert teams have identified in the runtime lookup scenarios exercise. The ultimate goal is to present a complete, but a very compact, ESR DB schema.

Service as an entity model

We will start by putting together the basic artifacts, most of which we already identified when counting our lookup entities. It is obvious that everything begins with the Object and that it is the most abstract entity in a hierarchy. Furthermore, we will see that on an enterprise level, we are really dealing with quite a limited number of truly unique things, usually described in the earlier stages of a project's MDA exercises (in UML form). It is also obvious that the transportable (or serializable) form of an object is a message, which is a bit less abstract, but it can still exist as a message. A message is commonly described as an XSD. An Object does not exist...