org.apache.hadoop.mapred

Interface InputSplitWithLocationInfo

All Superinterfaces:

InputSplit, org.apache.hadoop.io.Writable

All Known Implementing Classes:

FileSplit

@InterfaceAudience.Public
@InterfaceStability.Evolving
public interface InputSplitWithLocationInfo
extends InputSplit

Method Summary

Methods

Modifier and Type	Method and Description
SplitLocationInfo[]	getLocationInfo() Gets info about which nodes the input split is stored on and how it is stored at each location.

Methods inherited from interface org.apache.hadoop.mapred.InputSplit

getLength, getLocations

Methods inherited from interface org.apache.hadoop.io.Writable

readFields, write

Method Detail

getLocationInfo

SplitLocationInfo[] getLocationInfo()
                                    throws IOException

Gets info about which nodes the input split is stored on and how it is stored at each location.

Returns:

list of SplitLocationInfos describing how the split data is stored at each location. A null value indicates that all the locations have the data stored on disk.

Throws:

IOException