Extending an ABCS

Posted by jamie.phelps on Oracle Blogs See other posts from Oracle Blogs or by jamie.phelps
Published on Fri, 14 May 2010 16:08:53 -0800 Indexed on 2010/05/14 23:15 UTC
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All AIA Application Business Connector Services (ABCS) are extension enabled out of the box. The number and location of extension points in each ABCS is dependent upon whether the ABCS is a request-response or fire-and-forget service. Below is an example of a request-reply ABCS with 4 extension call-out points:


  1. Pre-transformation
  2. Post-transformation, Pre-invoke
  3. Post-invoke, Pre-transformation
  4. Post-transformation, Pre-reply

ABCSExtensions.jpg

You can also see in the diagram that each XSL Transformation has it's own extension call-out. However for now we are only discussing the ABCS extension call-outs.

To extend an ABCS, you'll first need to identify the specific extension points that are available in your ABCS and choose the one or more that you want to implement. You can an get an idea of the extension points available in your ABCS by looking into the AIAConfigurationProperties.xml file found under the AIA_HOME/config directory. Find the for your ABCS and look for properties similar to the following:

false
false
false
false
Each extension point in the ABCS will have a corresponding configuration property to control whether or not the extension call-out is active at runtime. So these properties can give you some idea of what extension points are available in your ABCS. However, you'll probably also want to look into the ABCS BPEL code itself to confirm the exact location of the call-out.

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