Uses of Class
org.apache.hadoop.examples.pi.SummationWritable

Packages that use SummationWritable

org.apache.hadoop.examples.pi

This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π.

Uses of SummationWritable in org.apache.hadoop.examples.pi

Methods in org.apache.hadoop.examples.pi that return types with arguments of type SummationWritable

org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,SummationWritable>

DistSum.Machine.AbstractInputFormat.createRecordReader(org.apache.hadoop.mapreduce.InputSplit generic, org.apache.hadoop.mapreduce.TaskAttemptContext context) Specify how to read the records

Methods in org.apache.hadoop.examples.pi with parameters of type SummationWritable

int	SummationWritable.compareTo(SummationWritable that)
int	DistSum.ReduceSide.IndexPartitioner.getPartition(org.apache.hadoop.io.IntWritable index, SummationWritable value, int numPartitions) Return the index as the partition.
protected void	DistSum.ReduceSide.PartitionMapper.map(org.apache.hadoop.io.NullWritable nw, SummationWritable sigma, org.apache.hadoop.mapreduce.Mapper.Context context) Partitions sigma into parts
protected void	DistSum.MapSide.SummingMapper.map(org.apache.hadoop.io.NullWritable nw, SummationWritable sigma, org.apache.hadoop.mapreduce.Mapper.Context context)

Method parameters in org.apache.hadoop.examples.pi with type arguments of type SummationWritable

protected void

DistSum.ReduceSide.SummingReducer.reduce(org.apache.hadoop.io.IntWritable index, Iterable<SummationWritable> sums, org.apache.hadoop.mapreduce.Reducer.Context context)