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java.lang.Objectorg.apache.hadoop.mapreduce.InputFormat<K,V>
org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K,V>
org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text>
org.apache.hadoop.examples.MultiFileWordCount.MyInputFormat
public static class MultiFileWordCount.MyInputFormat
To use CombineFileInputFormat
, one should extend it, to return a
(custom) RecordReader
. CombineFileInputFormat uses
CombineFileSplit
s.
Constructor Summary | |
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MultiFileWordCount.MyInputFormat()
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Method Summary | |
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RecordReader<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text> |
createRecordReader(InputSplit split,
TaskAttemptContext context)
This is not implemented yet. |
Methods inherited from class org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat |
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createPool, createPool, getFileBlockLocations, getSplits, isSplitable, setMaxSplitSize, setMinSplitSizeNode, setMinSplitSizeRack |
Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat |
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addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MultiFileWordCount.MyInputFormat()
Method Detail |
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public RecordReader<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text> createRecordReader(InputSplit split, TaskAttemptContext context) throws java.io.IOException
CombineFileInputFormat
createRecordReader
in class CombineFileInputFormat<MultiFileWordCount.WordOffset,org.apache.hadoop.io.Text>
split
- the split to be readcontext
- the information about the task
java.io.IOException
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