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

Packages that use SummationWritable

Package	Description
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

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<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

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

Modifier and Type	Method and Description
protected void	DistSum.ReduceSide.SummingReducer.reduce(IntWritable index, Iterable<SummationWritable> sums, org.apache.hadoop.mapreduce.Reducer.Context context)