Configuring the calling client application

To have Decision Warehouse use a new data source, you must first configure the calling client application to this effect.

About this task

Because Decision Warehouse can use multiple data sources, for Decision Warehouse to use a new data source that you select, you must first configure the calling client application in the default-dvs-dw.properties file. For more information about multiple data sources, see Overview: Multiple data sources in Decision Warehouse.

Procedure

To configure the client application:

In the <InstallDir>/executionserver/lib/jrules-res-session-java.jar archive, open the properties file named default-dvs-dw.properties.
Change the following line to specify a configured data source:
```
JNDI_NAME=jdbc/AnotherResDatasource
```
Note:
You can also change the default Decision Warehouse persistence mechanism in that file by specifying your own implementation of IlrTraceDAOFactory.

Access the execution traces and the rule execution result with the Decision Warehouse extension API. Use the IlrTraceDAO.saveTrace to write data to a specific database.
Add the resource reference to the following deployment descriptors:
- In the descriptor of your web application client if you use IlrJ2SESessionFactory, IlrPOJOSessionFactory,
- In the descriptor of the Enterprise JavaBeans (EJB) rule session
- ```
<resource-ref>
    <res-ref-name>jdbc/AnotherResDatasource</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>Container</res-auth>
    <res-sharing-scope>Unshareable</res-sharing-scope>
</resource-ref>
```
Save the file as dvs-dw.properties.
Reference the file dvs-dw.properties and the trace DAO classes in each application class path.