public void setUp() { mapReduceDriver = new MapReduceDriver< NullWritable, FaunusVertex, LongWritable, Holder, NullWritable, FaunusVertex>(); mapReduceDriver.setMapper(new BackFilterMapReduce.Map()); mapReduceDriver.setCombiner(new BackFilterMapReduce.Combiner()); mapReduceDriver.setReducer(new BackFilterMapReduce.Reduce()); }