java - Grouping of data based on week using apache spark

Question

I am new bee to spark, I have around 15 TB data in mongo

ApplicationName  Name        IPCategory Success   Fail  CreatedDate
  abc            a.com        cd          3      1      25-12-2015 00:00:00
  def            d.com        ty          2      2      25-12-2015 01:20:00
  abc            b.com        cd          5      0      01-01-2015 06:40:40

I am looking for based on ApplicationName, groupby (Name,IpCategory) for one week data.I am able to fetch data from mongo and save output to mongo. I am working on it using java.

NOTE:- From one month data I need only last week. It should be groupby(Name,IPCategory).