Using external Java objects in data transformations

You can extend your data transformations using external Java™ objects.

Some of the things you can do include but are not limited to the following:

• Implement your own custom data validation
• Translate values using look-up tables
• Perform complex calculations

It is very easy to use your Java classes in your mapping project. The methods must be public but need not be static. Make sure that any external Java classes you want to use can be found in the CLASSPATH environment variable. The CDC Replication Engine for Event Server will use Java Reflection API to call your programs.

The CDC Replication Engine for Event Server provides three types of calling conventions that can manipulate the following objects: