org.apache.flink.runtime.jobmanager.splitassigner

Class DefaultInputSplitAssigner

java.lang.Object

org.apache.flink.runtime.jobmanager.splitassigner.DefaultInputSplitAssigner

All Implemented Interfaces:

InputSplitAssigner

public class DefaultInputSplitAssigner
extends Object
implements InputSplitAssigner

This is the default implementation of the InputSplitAssigner interface. The default input split assigner simply returns all input splits of an input vertex in the order they were originally computed. The default input split assigner is always used when a more specific InputSplitAssigned could not be found.

This class is thread-safe.

Constructor Summary

Constructors

Constructor and Description
DefaultInputSplitAssigner()

Method Summary

Methods

Modifier and Type	Method and Description
InputSplit	getNextInputSplit(ExecutionVertex vertex) Returns the next input split that shall be consumed by the given input vertex.
void	registerGroupVertex(ExecutionGroupVertex groupVertex) Registers an input vertex with the input split assigner.
void	unregisterGroupVertex(ExecutionGroupVertex groupVertex) Unregisters an input vertex from the input split assigner.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultInputSplitAssigner

public DefaultInputSplitAssigner()

Method Detail

registerGroupVertex

public void registerGroupVertex(ExecutionGroupVertex groupVertex)

Description copied from interface: InputSplitAssigner

Registers an input vertex with the input split assigner.

Specified by:

registerGroupVertex in interface InputSplitAssigner

Parameters:

groupVertex - the input vertex to register

unregisterGroupVertex

public void unregisterGroupVertex(ExecutionGroupVertex groupVertex)

Description copied from interface: InputSplitAssigner

Unregisters an input vertex from the input split assigner. All resources allocated to the input vertex are freed as part of this operation.

Specified by:

unregisterGroupVertex in interface InputSplitAssigner

Parameters:

groupVertex - the input vertex to unregister

getNextInputSplit

public InputSplit getNextInputSplit(ExecutionVertex vertex)

Description copied from interface: InputSplitAssigner

Returns the next input split that shall be consumed by the given input vertex.

Specified by:

getNextInputSplit in interface InputSplitAssigner

Parameters:

vertex - the vertex for which the next input split to be consumed shall be determined

Returns:

the next input split to be consumed or null if no more splits shall be consumed by the given vertex