Answer / lakshmi

invoke is used to invoke a service with in another flow service.Transformers are the services we used to accomplish value transformations in the pipeline tab.we can use any service as transformer.

Answer / varadharajulareddy

Invoke: invoke the service with in flow

Transformer:transformer the Service invoked pipeline

Answer / lakshmi

Invoke is used to invoke a service with in the flow service.



But transformers are nothing nothing but services used to accomplish value transfermations in the pipeline tab.We can use any service as transformer

Answer / sunil

Invoke: By using this we can invoke a single service at a time...

Tranformers: It is in MAP Step by using this we can invoke multiple services in single step ...
..>Here services in map step will execute Randomly..
..>move varibles i/p to o/p vice versa..
..>assign values to variable in the pipeline

Answer / deepikamurari

If we are having some common predefined services,we call call in another flow service using invoke

Transformers---we can place multiple transformers in 1 map step which is used for data conversion

ex:pub.length ,pub.concat

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