org.apache.giraph.bsp

Class BspInputSplit

java.lang.Object

org.apache.hadoop.mapreduce.InputSplit

org.apache.giraph.bsp.BspInputSplit

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class BspInputSplit
extends org.apache.hadoop.mapreduce.InputSplit
implements org.apache.hadoop.io.Writable

This InputSplit will not give any ordering or location data. It is used internally by BspInputFormat (which determines how many tasks to run the application on). Users should not use this directly.

Constructor Summary

Constructors

Constructor and Description
BspInputSplit() Reflection constructor.
BspInputSplit(int splitIndex, int numSplits) Constructor used by BspInputFormat.

Method Summary

Modifier and Type	Method and Description
long	getLength()
String[]	getLocations()
int	getNumSplits() Get the number of splits for this application.
int	getSplitIndex() Get the index of this split.
void	readFields(DataInput in)
String	toString()
void	write(DataOutput out)

Methods inherited from class org.apache.hadoop.mapreduce.InputSplit

getLocationInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

BspInputSplit

public BspInputSplit()

Reflection constructor.

BspInputSplit

public BspInputSplit(int splitIndex,
                     int numSplits)

Constructor used by BspInputFormat.

Parameters:

splitIndex - Index of this split.

numSplits - Total number of splits.

Method Detail

getLength

public long getLength()
               throws IOException,
                      InterruptedException

Specified by:

getLength in class org.apache.hadoop.mapreduce.InputSplit

Throws:

IOException

InterruptedException

getLocations

public String[] getLocations()
                      throws IOException,
                             InterruptedException

Specified by:

getLocations in class org.apache.hadoop.mapreduce.InputSplit

Throws:

IOException

InterruptedException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

getSplitIndex

public int getSplitIndex()

Get the index of this split.

Returns:

Index of this split.

getNumSplits

public int getNumSplits()

Get the number of splits for this application.

Returns:

Total number of splits.

toString

public String toString()

Overrides:

toString in class Object