org.apache.hadoop.examples
Class SleepJob.EmptySplit

java.lang.Object
  extended by org.apache.hadoop.examples.SleepJob.EmptySplit
All Implemented Interfaces:
Writable, InputSplit
Enclosing class:
SleepJob

public static class SleepJob.EmptySplit
extends Object
implements InputSplit


Constructor Summary
SleepJob.EmptySplit()
           
 
Method Summary
 long getLength()
          Get the total number of bytes in the data of the InputSplit.
 String[] getLocations()
          Get the list of hostnames where the input split is located.
 void readFields(DataInput in)
          Deserialize the fields of this object from in.
 void write(DataOutput out)
          Serialize the fields of this object to out.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SleepJob.EmptySplit

public SleepJob.EmptySplit()
Method Detail

write

public void write(DataOutput out)
           throws IOException
Description copied from interface: Writable
Serialize the fields of this object to out.

Specified by:
write in interface Writable
Parameters:
out - DataOuput to serialize this object into.
Throws:
IOException

readFields

public void readFields(DataInput in)
                throws IOException
Description copied from interface: Writable
Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:
readFields in interface Writable
Parameters:
in - DataInput to deseriablize this object from.
Throws:
IOException

getLength

public long getLength()
Description copied from interface: InputSplit
Get the total number of bytes in the data of the InputSplit.

Specified by:
getLength in interface InputSplit
Returns:
the number of bytes in the input split.

getLocations

public String[] getLocations()
Description copied from interface: InputSplit
Get the list of hostnames where the input split is located.

Specified by:
getLocations in interface InputSplit
Returns:
list of hostnames where data of the InputSplit is located as an array of Strings.


Copyright © 2009 The Apache Software Foundation