org.apache.hadoop.mapred
Class SequenceFileOutputFormat

java.lang.Object
  extended by org.apache.hadoop.mapred.OutputFormatBase
      extended by org.apache.hadoop.mapred.SequenceFileOutputFormat
All Implemented Interfaces:
OutputFormat

public class SequenceFileOutputFormat
extends OutputFormatBase

An OutputFormat that writes SequenceFiles.


Constructor Summary
SequenceFileOutputFormat()
           
 
Method Summary
static SequenceFile.Reader[] getReaders(Configuration conf, File dir)
          Open the output generated by this format.
 RecordWriter getRecordWriter(FileSystem fs, JobConf job, String name)
          Construct a RecordWriter.
 
Methods inherited from class org.apache.hadoop.mapred.OutputFormatBase
checkOutputSpecs
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SequenceFileOutputFormat

public SequenceFileOutputFormat()
Method Detail

getRecordWriter

public RecordWriter getRecordWriter(FileSystem fs,
                                    JobConf job,
                                    String name)
                             throws IOException
Description copied from interface: OutputFormat
Construct a RecordWriter.

Specified by:
getRecordWriter in interface OutputFormat
Specified by:
getRecordWriter in class OutputFormatBase
Parameters:
fs - the file system to write to
job - the job whose output is being written
name - the unique name for this part of the output
Returns:
a RecordWriter
Throws:
IOException

getReaders

public static SequenceFile.Reader[] getReaders(Configuration conf,
                                               File dir)
                                        throws IOException
Open the output generated by this format.

Throws:
IOException


Copyright © 2006 The Apache Software Foundation