Package org.apache.flink.runtime.jobgraph.forwardgroup

Class StreamNodeForwardGroup

java.lang.Object

org.apache.flink.runtime.jobgraph.forwardgroup.StreamNodeForwardGroup

All Implemented Interfaces:

ForwardGroup<Integer>

public class StreamNodeForwardGroup
extends Object
implements ForwardGroup<Integer>

Stream node level implement for ForwardGroup.

Constructor Summary

Constructors

Constructor	Description
StreamNodeForwardGroup(Set<StreamNode> streamNodes)

Method Summary

Modifier and Type	Method	Description
int	getMaxParallelism()	Returns the max parallelism for this forward group.
int	getParallelism()	Returns the parallelism for this forward group.
Set<Integer>	getVertexIds()	Returns the vertex ids in this forward group.
boolean	isMaxParallelismDecided()	Returns if max parallelism has been decided for this forward group.
boolean	isParallelismDecided()	Returns if parallelism has been decided for this forward group.
boolean	mergeForwardGroup(StreamNodeForwardGroup forwardGroupToMerge)	Merges forwardGroupToMerge into this and update the parallelism information for stream nodes in merged forward group.
void	setMaxParallelism(int maxParallelism)	Sets the max parallelism for this forward group.
void	setParallelism(int parallelism)	Sets the parallelism for this forward group.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamNodeForwardGroup

public StreamNodeForwardGroup(Set<StreamNode> streamNodes)

Method Detail

setParallelism

public void setParallelism(int parallelism)

Description copied from interface: ForwardGroup

Sets the parallelism for this forward group.

Specified by:

setParallelism in interface ForwardGroup<Integer>

Parameters:

parallelism - the parallelism to set.

isParallelismDecided

public boolean isParallelismDecided()

Description copied from interface: ForwardGroup

Returns if parallelism has been decided for this forward group.

Specified by:

isParallelismDecided in interface ForwardGroup<Integer>

Returns:

is parallelism decided for this forward group.

getParallelism

public int getParallelism()

Description copied from interface: ForwardGroup

Returns the parallelism for this forward group.

Specified by:

getParallelism in interface ForwardGroup<Integer>

Returns:

parallelism for this forward group.

setMaxParallelism

public void setMaxParallelism(int maxParallelism)

Description copied from interface: ForwardGroup

Sets the max parallelism for this forward group.

Specified by:

setMaxParallelism in interface ForwardGroup<Integer>

Parameters:

maxParallelism - the max parallelism to set.

isMaxParallelismDecided

public boolean isMaxParallelismDecided()

Description copied from interface: ForwardGroup

Returns if max parallelism has been decided for this forward group.

Specified by:

isMaxParallelismDecided in interface ForwardGroup<Integer>

Returns:

is max parallelism decided for this forward group.

getMaxParallelism

public int getMaxParallelism()

Description copied from interface: ForwardGroup

Returns the max parallelism for this forward group.

Specified by:

getMaxParallelism in interface ForwardGroup<Integer>

Returns:

max parallelism for this forward group.

getVertexIds

public Set<Integer> getVertexIds()

Description copied from interface: ForwardGroup

Returns the vertex ids in this forward group.

Specified by:

getVertexIds in interface ForwardGroup<Integer>

Returns:

vertex ids in this forward group.

mergeForwardGroup

public boolean mergeForwardGroup(StreamNodeForwardGroup forwardGroupToMerge)

Merges forwardGroupToMerge into this and update the parallelism information for stream nodes in merged forward group.

Parameters:

forwardGroupToMerge - The forward group to be merged.

Returns:

whether the merge was successful.

size

@VisibleForTesting
public int size()