Oracle Service Bus : Agility in Action

Yesterday I followed a session regarding OSB given by Jeff Davis, it was an interesting session with a lot of demo’s regarding using business services and proxy services.

Topics that we’re interesting to me during the session and I would like to share with the community:

  • Coherence ships with OSB/Weblogic which gives you the possiblity to cache service results to speed up performance. As Jeff mentioned a case could be that your users need to get the latest financial results each day which is a long running business process. This process can be launched asynchronously when the user is logged on in the background. The result of the process is then put in the service cache so when the user needs the information it’s shown to him without delay. The Service Result Caching functionality is integrated within OSB 11G, Release 1.
  • OSB 11g, Release 1 is also fully integrated with Enterprise Repository which gives you the possiblity to index all your existing services using your metadata such as XML, XSD, WSDL, … Using Enterprise Repository the impact of changes made to individual services is clear which makes your release management process a lot easier! Make sure to check out the features and functionality delivered by the Enterprise Repository to be able to govern your services throughout the enterprise.
  • OSB12C (C stands for Cloud) is the next upcoming release of OSB which holds a lot of new interesting functionality such as templating/prototyping services, development is integrated within Jdeveloper, … The fact that the development will be integrated within Jdeveloper gives your development team the possibility to use one and only one IDE to have E2E development from database to business components, to services such as bpel, osb, external services, business rules untill the end-user interface

During the demo Jeff showed how you can expose functionality of an EJB 3.0/2.1 module as a service using business services and proxy services. You can transform from an EJB 3.0 business service to an EJB 2.1 Proxy Service using XQuery and the JEJB protocol.

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