org.apache.flink.optimizer.dag

Class OptimizerNode.UnclosedBranchDescriptor

java.lang.Object

org.apache.flink.optimizer.dag.OptimizerNode.UnclosedBranchDescriptor

Enclosing class:

OptimizerNode

public static final class OptimizerNode.UnclosedBranchDescriptor
extends Object

Description of an unclosed branch. An unclosed branch is when the data flow branched (one operator's result is consumed by multiple targets), but these different branches (targets) have not been joined together.

Field Summary

Fields

Modifier and Type	Field and Description
protected OptimizerNode	branchingNode
protected long	joinedPathsVector

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	UnclosedBranchDescriptor(OptimizerNode branchingNode, long joinedPathsVector) Creates a new branching descriptor.

Method Summary

Modifier and Type	Method and Description
OptimizerNode	getBranchingNode()
long	getJoinedPathsVector()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

branchingNode

protected OptimizerNode branchingNode

joinedPathsVector

protected long joinedPathsVector

Constructor Detail

UnclosedBranchDescriptor

protected UnclosedBranchDescriptor(OptimizerNode branchingNode,
                                   long joinedPathsVector)

Creates a new branching descriptor.

Parameters:

branchingNode - The node where the branch occurred (the node with multiple outputs).

joinedPathsVector - A bit vector describing which branches are tracked by this descriptor. The bit vector is one, where the branch is tracked, zero otherwise.

Method Detail

getBranchingNode

public OptimizerNode getBranchingNode()

getJoinedPathsVector

public long getJoinedPathsVector()

toString

public String toString()

Overrides:

toString in class Object