.each(new Fields("content"), new OnlyHashtags())
.each(new Fields("user"), new OnlyEnglish())
.each(new Fields("content", "user"), new ExtractFollowerClassAndContentName(), new Fields("followerClass", "contentName"))
.parallelismHint(3)
.groupBy(new Fields("followerClass", "contentName"))
.persistentAggregate(new HazelCastStateFactory(), new Count(), new Fields("count"))
.parallelismHint(3)
;
topology