Designing jobs (Java Integration stage)

You can use the Java Integration stage to integrate Java code and develop jobs that read, write, and load data.

1. Add a Java Integration stage to a job.
   1. Optional: Migrate a legacy Java Pack job to Java Integration stage
2. To set up the Java Integration stage as a source to retrieve data from Java code:
   1. Configure Java Integration stage as a source.
   2. Set up column definitions.
   3. Map link index and link names.
3. To set up the Java Integration stage as a target to pass data to Java code:
   1. Configure the Java Integration stage as a target.
   2. Set up column definitions.
   3. Map link index and link names.
4. To set up the Java Integration stage as a transformer to transform data on input link, and write to output link:
   1. Configure the Java Integration stage as a transformer.
   2. Set up column definitions.
   3. Map link index and link names.
5. Look up data by using reference links.
6. Compile and run the job.