Implement a Rule Execution Server MDB

Technote (FAQ)


Question

How to implement a custom Rule Execution Server (RES) MDB to address specific requirements regarding exception handling or processing of more than one request per message for example?

Cause

Operational Decision Manager comes with an out-of-the-box RES MDB implementation that may not cover all possible integration options.

Answer

It is not uncommon to implement a custom MDB using the Rule Execution Server API so that the integration of rule execution can be more finely tuned to the requirements of the application.

A sample RES MDB is attached below that can be used as a starting point for more specific implementations.

res-sample-mdb_20130702.zipres-sample-mdb_20130702.zip

Another example is that of an implementation that processes more than one request at a time in the interest of reducing the overhead of Networking, JMS and MDB processing of a single request per message.

res-batch-mdb_20130710.zipres-batch-mdb_20130710.zip

Instructions to deploy the samples

  • unzip the sample archive to a machine where ODM product is installed (and assuming a Sample Server installation of the product)
  • edit the build.xml file to set the value of the properties odm.home, was.home, was.login, was.password, and profile.name to reflect your environment
  • from the command line execute: ant build
  • deploy on the application server the ear file that was generated in the build folder. You may need to first create a new Activation Specification, for example for the res-batch-mdb sample with a destination jms/BRESQueueIn and a message selector ilog_rules_bres_mdb_status='batch_request'
  • to test the MDB with a sample client, from the command line execute: ant run

Cross reference information
Segment Product Component Platform Version Edition
Business Integration WebSphere ILOG JRules Platform Independent 7.1.1, 7.0.3, 7.0.2, 7.0.1, 7.0

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Document information


More support for:

IBM Operational Decision Manager
Modules:Execution Server

Software version:

7.5, 8.0, 8.0.1, 8.5

Operating system(s):

Platform Independent

Reference #:

1643521

Modified date:

2013-07-11

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