Adding Java EE 7 Batch Addon to JBoss Forge ? – Part 3 (Tech Tip #26)

This is the third part (part 1, part 2) of a multi-part video series where Lincoln Baxter (@lincolnthree) and I are interactively building a Forge addon to add Java EE 7 Batch functionality.

Part 1 showed how to get started with creating an addon, add relevant POM dependencies, build and install the addon using Forge shell, add a new command batch-new-jobxml, and add --reader--processor--writer parameters to the newly added command. Part 2 showed how to identify classes for each CLI parameter that already honor the contract required by the Batch specification. This part shows how:

  • Parameters can be made required
  • Add an attribute to accept jobXML name
  • Check that the reader, processor, and writer are annotated with @Named
  • Create templates for reader, processor, writer, and jobXML
  • Use templating language to replace the name of chosen reader, processor, writer

Enjoy!

As earlier, the evolving source code is available at github.com/javaee-samples/forge-addons. The source code is compiling fine but not serving the intended purpose yet. It will be further debugged in the next episode, coming later this week.

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