org.gridgain.grid.hadoop

Class GridHadoopDefaultJobInfo

java.lang.Object

org.gridgain.grid.hadoop.GridHadoopDefaultJobInfo

All Implemented Interfaces:

Externalizable, Serializable, org.gridgain.grid.hadoop.GridHadoopJobInfo

public class GridHadoopDefaultJobInfo
extends Object
implements org.gridgain.grid.hadoop.GridHadoopJobInfo, Externalizable

Hadoop job info based on default Hadoop configuration.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GridHadoopDefaultJobInfo() Default constructor required by Externalizable.
GridHadoopDefaultJobInfo(org.apache.hadoop.conf.Configuration cfg)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapred.JobConf	configuration()
org.gridgain.grid.hadoop.GridHadoopJob	createJob(org.gridgain.grid.hadoop.GridHadoopJobId jobId)
boolean	hasCombiner()
boolean	hasReducer()
String	property(String name)
void	readExternal(ObjectInput in)
int	reducers()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GridHadoopDefaultJobInfo

public GridHadoopDefaultJobInfo()

Default constructor required by Externalizable.

GridHadoopDefaultJobInfo

public GridHadoopDefaultJobInfo(org.apache.hadoop.conf.Configuration cfg)
                         throws org.gridgain.grid.GridException

Parameters:

cfg - Hadoop configuration.

Throws:

org.gridgain.grid.GridException

Method Detail

property

@Nullable
public String property(String name)

Specified by:

property in interface org.gridgain.grid.hadoop.GridHadoopJobInfo

createJob

public org.gridgain.grid.hadoop.GridHadoopJob createJob(org.gridgain.grid.hadoop.GridHadoopJobId jobId)

Specified by:

createJob in interface org.gridgain.grid.hadoop.GridHadoopJobInfo

hasCombiner

public boolean hasCombiner()

Specified by:

hasCombiner in interface org.gridgain.grid.hadoop.GridHadoopJobInfo

hasReducer

public boolean hasReducer()

Specified by:

hasReducer in interface org.gridgain.grid.hadoop.GridHadoopJobInfo

reducers

public int reducers()

Returns:

Number of reducers configured for job.

configuration

public org.apache.hadoop.mapred.JobConf configuration()

Returns:

Hadoop configuration.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException