org.apache.hadoop.examples
Class MultiFileWordCount.MyInputFormat
java.lang.Object
org.apache.hadoop.mapreduce.InputFormat<K,V>
org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>
org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<MultiFileWordCount.WordOffset,Text>
org.apache.hadoop.examples.MultiFileWordCount.MyInputFormat
- Enclosing class:
- MultiFileWordCount
public static class MultiFileWordCount.MyInputFormat
- extends CombineFileInputFormat<MultiFileWordCount.WordOffset,Text>
To use CombineFileInputFormat
, one should extend it, to return a
(custom) RecordReader
. CombineFileInputFormat uses
CombineFileSplit
s.
Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat |
addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, isSplitable, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MultiFileWordCount.MyInputFormat
public MultiFileWordCount.MyInputFormat()
createRecordReader
public RecordReader<MultiFileWordCount.WordOffset,Text> createRecordReader(InputSplit split,
TaskAttemptContext context)
throws IOException
- Description copied from class:
CombineFileInputFormat
- This is not implemented yet.
- Specified by:
createRecordReader
in class CombineFileInputFormat<MultiFileWordCount.WordOffset,Text>
- Parameters:
split
- the split to be readcontext
- the information about the task
- Returns:
- a new record reader
- Throws:
IOException
Copyright © 2009 The Apache Software Foundation