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java.lang.Objectorg.apache.hadoop.mapred.FileInputFormat<K,V>
org.apache.hadoop.mapred.SequenceFileInputFormat<Text,Text>
org.apache.hadoop.mapred.SequenceFileAsTextInputFormat
public class SequenceFileAsTextInputFormat
This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader which converts the input keys and values to their String forms by calling toString() method.
Field Summary |
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Fields inherited from class org.apache.hadoop.mapred.FileInputFormat |
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LOG |
Constructor Summary | |
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SequenceFileAsTextInputFormat()
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Method Summary | |
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RecordReader<Text,Text> |
getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Get the RecordReader for the given InputSplit . |
Methods inherited from class org.apache.hadoop.mapred.SequenceFileInputFormat |
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listStatus |
Methods inherited from class org.apache.hadoop.mapred.FileInputFormat |
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addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize |
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 SequenceFileAsTextInputFormat()
Method Detail |
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public RecordReader<Text,Text> getRecordReader(InputSplit split, JobConf job, Reporter reporter) throws java.io.IOException
InputFormat
RecordReader
for the given InputSplit
.
It is the responsibility of the RecordReader
to respect
record boundaries while processing the logical split to present a
record-oriented view to the individual task.
getRecordReader
in interface InputFormat<Text,Text>
getRecordReader
in class SequenceFileInputFormat<Text,Text>
split
- the InputSplit
job
- the job that this split belongs to
RecordReader
java.io.IOException
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