org.apache.flink.runtime.jobgraph

Class OutputFormatVertex

java.lang.Object

org.apache.flink.runtime.jobgraph.AbstractJobVertex

org.apache.flink.runtime.jobgraph.OutputFormatVertex

All Implemented Interfaces:

Serializable

public class OutputFormatVertex
extends AbstractJobVertex

A task vertex that run an initialization on the master, trying to deserialize an output format and initializing it on master, if necessary.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
OutputFormatVertex(String name) Creates a new task vertex with the specified name.

Method Summary

Modifier and Type	Method and Description
void	finalizeOnMaster(ClassLoader loader) A hook that can be overwritten by sub classes to implement logic that is called by the master after the job completed.
String	getFormatDescription()
void	initializeOnMaster(ClassLoader loader) A hook that can be overwritten by sub classes to implement logic that is called by the master when the job starts.
void	setFormatDescription(String formatDescription)

Methods inherited from class org.apache.flink.runtime.jobgraph.AbstractJobVertex

connectDataSetAsInput, connectIdInput, connectNewDataSetAsInput, createAndAddResultDataSet, createAndAddResultDataSet, getCoLocationGroup, getConfiguration, getID, getInputs, getInputSplitSource, getInvokableClass, getInvokableClassName, getName, getNumberOfInputs, getNumberOfProducedIntermediateDataSets, getParallelism, getProducedDataSets, getSlotSharingGroup, hasNoConnectedInputs, isInputVertex, isOutputVertex, setInputSplitSource, setInvokableClass, setName, setParallelism, setSlotSharingGroup, setStrictlyCoLocatedWith, toString, updateCoLocationGroup

Methods inherited from class java.lang.Object

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

Constructor Detail

OutputFormatVertex

public OutputFormatVertex(String name)

Creates a new task vertex with the specified name.

Parameters:

name - The name of the task vertex.

Method Detail

setFormatDescription

public void setFormatDescription(String formatDescription)

getFormatDescription

public String getFormatDescription()

initializeOnMaster

public void initializeOnMaster(ClassLoader loader)
                        throws Exception

Description copied from class: AbstractJobVertex

A hook that can be overwritten by sub classes to implement logic that is called by the master when the job starts.

Overrides:

initializeOnMaster in class AbstractJobVertex

Parameters:

loader - The class loader for user defined code.

Throws:

Exception - The method may throw exceptions which cause the job to fail immediately.

finalizeOnMaster

public void finalizeOnMaster(ClassLoader loader)
                      throws Exception

Description copied from class: AbstractJobVertex

A hook that can be overwritten by sub classes to implement logic that is called by the master after the job completed.

Overrides:

finalizeOnMaster in class AbstractJobVertex

Parameters:

loader - The class loader for user defined code.

Throws:

Exception - The method may throw exceptions which cause the job to fail immediately.