How to add transformations as pipeline Stages ?

Hi, I need to add my transformations to pipeline as stages. Can you please provide me some sort of a guideline on how to do that in *java*? Thanks -- *Nethaji Chandrasiri* *Software Engineering* *Intern; WSO2, Inc.; http://wso2.com <http://wso2.com/>* Mobile : +94 (0) 779171059 <%2B94%

Define new stage in pipeline

Hi, Are there any samples to learn how to define a new stage in pipeline like HashingTF using java ? Thanks -- *Nethaji Chandrasiri* *Software Engineering* *Intern; WSO2, Inc.; http://wso2.com <http://wso2.com/>* Mobile : +94 (0) 779171059 <%2B94%20%280%29%20778%20800570> Email :