org.apache.nutch.mapReduce
Class MapOutputLocation

java.lang.Object
  org.apache.nutch.mapReduce.MapOutputLocation

All Implemented Interfaces:

Writable

public class MapOutputLocation

extends Object

implements Writable

The location of a map output file, as passed to a reduce task via the InterTrackerProtocol.

Constructor Summary

MapOutputLocation()
RPC constructor

MapOutputLocation(String mapTaskId, String host, int port)
Construct a location.

Method Summary

String	getHost() The host the task completed on.
String	getMapTaskId() The map task id.
int	getPort() The port listening for MapOutputProtocol connections.
void	readFields(DataInput in) Reads the fields of this object from in.
void	write(DataOutput out) Writes 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

MapOutputLocation

public MapOutputLocation()

RPC constructor

MapOutputLocation

public MapOutputLocation(String mapTaskId,
                         String host,
                         int port)

Construct a location.

Method Detail

getMapTaskId

public String getMapTaskId()

The map task id.

getHost

public String getHost()

The host the task completed on.

getPort

public int getPort()

The port listening for MapOutputProtocol connections.

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Writes the fields of this object to out.

Specified by:

write in interface Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Reads 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

Throws:

IOException