org.apache.hadoop.streaming
Class StreamInputFormat

java.lang.Object
  org.apache.hadoop.mapred.FileInputFormat
      org.apache.hadoop.mapred.TextInputFormat
          org.apache.hadoop.mapred.KeyValueTextInputFormat
              org.apache.hadoop.streaming.StreamInputFormat

All Implemented Interfaces:

InputFormat, JobConfigurable

public class StreamInputFormat
extends KeyValueTextInputFormat

An input format that selects a RecordReader based on a JobConf property. This should be used only for non-standard record reader such as StreamXmlRecordReader. For all other standard record readers, the appropriate input format classes should be used.

Field Summary

Fields inherited from class org.apache.hadoop.mapred.FileInputFormat

LOG

Constructor Summary

StreamInputFormat()

Method Summary

RecordReader

getRecordReader(InputSplit genericSplit, JobConf job, Reporter reporter) Construct a RecordReader for a FileSplit.

Methods inherited from class org.apache.hadoop.mapred.TextInputFormat

configure, isSplitable

Methods inherited from class org.apache.hadoop.mapred.FileInputFormat

getSplits, listPaths, setMinSplitSize, validateInput

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamInputFormat

public StreamInputFormat()

Method Detail

getRecordReader

public RecordReader getRecordReader(InputSplit genericSplit,
                                    JobConf job,
                                    Reporter reporter)
                             throws IOException

Description copied from interface: InputFormat

Construct a RecordReader for a FileSplit.

Specified by:

getRecordReader in interface InputFormat

Overrides:

getRecordReader in class KeyValueTextInputFormat

Parameters:

genericSplit - the InputSplit

job - the job that this split belongs to

Returns:

a RecordReader

Throws:

IOException