Answer / hemakumar

Transformers are the services you use to accomplish value
transformations on the Pipeline
tab.
You can only insert a transformer into a MAP step.
You can use any service as a transformer.
This includes any Java, C or flow service that you create
and any built-in
services in WmPublic, such as the
pub.date.getCurrentDateString and the pub.string.concat
services. By using transformers, you can invoke multiple
services (and perform multiple
value transformations) in a single flow step.

Answer / shiva

Services are called as Transformers, this will insert
through map step.Multiple transformations done through the
single flow.

Answer / vijayakumar b

Still there are some drawbacks in using the transformer.

Because all the service under transformer are running as a
seperate thread. But in the flowservice it will be
executing all the steps in a single thread.

So if we are going to use only one or two service in the
transformer it wont be a big deal.

Otherwise the performance will be a issue

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