Currently there's no way to mix Ruby and Java classes in a job. Sometimes you want to write the mapper in Ruby and use a built-in reducer, or a custom partitioner written in Java. This is not possible (except it you do a raw set, but that isn't very pretty).
Currently there's no way to mix Ruby and Java classes in a job. Sometimes you want to write the mapper in Ruby and use a built-in reducer, or a custom partitioner written in Java. This is not possible (except it you do a raw
set
, but that isn't very pretty).