TransformHierarchy.Node
Node is used by TransformHierarchy for tracking relationships of PTransforms.
Creating Instance
Node takes the following to be created:
Node is created for TransformHierarchy (for the root node and later requested to pushNode and replaceNode).
Root Node
A Node is a root node when has no PTransform associated.
A root node is a composite node.
Composite Node
A Node is a composite node when contains sub-nodes or returnsOthersOutput.
A root node is a composite node.
visit Internal Method
void visit(
PipelineVisitor visitor,
Set<PValue> visitedValues,
Set<Node> visitedNodes,
Set<Node> skippedComposites)
visit is used when is requested to visit.