org.apache.hadoop.mapred
Class SequenceFileAsBinaryInputFormat

java.lang.Object
  extended by org.apache.hadoop.mapred.FileInputFormat<K,V>
      extended by org.apache.hadoop.mapred.SequenceFileInputFormat<BytesWritable,BytesWritable>
          extended by org.apache.hadoop.mapred.SequenceFileAsBinaryInputFormat
All Implemented Interfaces:
InputFormat<BytesWritable,BytesWritable>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class SequenceFileAsBinaryInputFormat
extends SequenceFileInputFormat<BytesWritable,BytesWritable>

InputFormat reading keys, values from SequenceFiles in binary (raw) format.


Field Summary
 
Fields inherited from class org.apache.hadoop.mapred.FileInputFormat
INPUT_DIR_RECURSIVE, LOG, NUM_INPUT_FILES
 
Constructor Summary
SequenceFileAsBinaryInputFormat()
           
 
Method Summary
 RecordReader<BytesWritable,BytesWritable> getRecordReader(InputSplit split, JobConf job, Reporter reporter)
          Get the RecordReader for the given InputSplit.
 
Methods inherited from class org.apache.hadoop.mapred.SequenceFileInputFormat
listStatus
 
Methods inherited from class org.apache.hadoop.mapred.FileInputFormat
addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, makeSplit, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SequenceFileAsBinaryInputFormat

public SequenceFileAsBinaryInputFormat()
Method Detail

getRecordReader

public RecordReader<BytesWritable,BytesWritable> getRecordReader(InputSplit split,
                                                                 JobConf job,
                                                                 Reporter reporter)
                                                          throws IOException
Description copied from interface: InputFormat
Get the 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.

Specified by:
getRecordReader in interface InputFormat<BytesWritable,BytesWritable>
Overrides:
getRecordReader in class SequenceFileInputFormat<BytesWritable,BytesWritable>
Parameters:
split - the InputSplit
job - the job that this split belongs to
Returns:
a RecordReader
Throws:
IOException


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