DoFns provide direct access to the __________ object that is

dofns-provide-direct-access-to-the-object-that-is

DoFns provide direct access to the __________ object that is used within a given Map or Reduce task via the getContext method.

A. TaskInputContext

B. TaskInputOutputContext

C. TaskOutputContext

D. All of the mentioned

The question was posed to me in quiz.

I’d like to ask this question from Crunch with Hadoop topic in chapter Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop

Right option is B. TaskInputOutputContext

Best explanation: There are also a number of helper methods for working with the objects associated with the TaskInputOutputConte