ml.shifu.guagua.yarn.example.sum

Class SumMaster

java.lang.Object

ml.shifu.guagua.yarn.example.sum.SumMaster

All Implemented Interfaces:

ml.shifu.guagua.master.MasterComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>>

public class SumMaster
extends Object
implements ml.shifu.guagua.master.MasterComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>>

Sum all workers' results together.

If sum value is larger than 1000000L, use HaltBytable to stop iteration.

Constructor Summary

Constructors

Constructor and Description
SumMaster()

Method Summary

Methods

Modifier and Type	Method and Description
GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>	compute(ml.shifu.guagua.master.MasterContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SumMaster

public SumMaster()

Method Detail

compute

public GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable> compute(ml.shifu.guagua.master.MasterContext<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>> context)

Specified by:

compute in interface ml.shifu.guagua.master.MasterComputable<GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>,GuaguaWritableAdapter<org.apache.hadoop.io.LongWritable>>