Occurrence entity: reference to a child node (topology root or product). The parent product is determined from OccurrenceRef::ParentId (BaseRef). Placement lives on OccurrenceRef::LocalLocation (definitions never carry location). Path-based traversal (PathView::ForEachPathTo) resolves DAG paths without stored parent-occurrence pointers. More...

#include <BRepGraphInc_Definition.hxx>

Inheritance diagram for BRepGraphInc::OccurrenceDef:

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Public Types
using	TypeId = BRepGraph_OccurrenceId

Public Types inherited from BRepGraphInc::BaseDef
using	TypeId = BRepGraph_NodeId

Public Member Functions
void	InitVectors (const occ::handle< NCollection_BaseAllocator > &)
	No-op: OccurrenceDef has no inner vectors to reinitialize. Present for uniform DefStore<T>::Append() logic.

Data Fields
BRepGraph_NodeId	ChildDefId
	Referenced child node (topology root or product)

Data Fields inherited from BRepGraphInc::BaseDef
uint32_t	OwnGen = 0
	Own-data mutation counter, incremented ONLY when the entity's own definition fields change (tolerance, point, flags, etc.). NOT incremented by descendant changes. Used by VersionStamp for persistent identity staleness detection.

uint32_t	SubtreeGen = 0
	Subtree mutation counter, incremented when own data OR any descendant data changes. Propagated upward via markParentSubtreeGen(). Used by TransientCache and shape cache for hierarchical freshness.

uint32_t	LastPropWave = 0
	Wave counter from the last propagation that visited this node. Used as a re-visit guard in markParentSubtreeGen() to prevent exponential blowup on diamond topologies. Compared against BRepGraph_Data::myPropagationWave.

bool	IsRemoved = false
	Soft-removal flag.

Detailed Description

Occurrence entity: reference to a child node (topology root or product). The parent product is determined from OccurrenceRef::ParentId (BaseRef). Placement lives on OccurrenceRef::LocalLocation (definitions never carry location). Path-based traversal (PathView::ForEachPathTo) resolves DAG paths without stored parent-occurrence pointers.

Member Typedef Documentation

◆ TypeId

using BRepGraphInc::OccurrenceDef::TypeId = BRepGraph_OccurrenceId

Member Function Documentation

◆ InitVectors()

void BRepGraphInc::OccurrenceDef::InitVectors ( const occ::handle< NCollection_BaseAllocator > & )

inline

No-op: OccurrenceDef has no inner vectors to reinitialize. Present for uniform DefStore<T>::Append() logic.

Field Documentation

◆ ChildDefId

BRepGraph_NodeId BRepGraphInc::OccurrenceDef::ChildDefId

Referenced child node (topology root or product)

The documentation for this struct was generated from the following file:

BRepGraphInc_Definition.hxx

Public Types

Public Member Functions