Uses of Interface
org.eclipse.rdf4j.query.algebra.QueryModelVisitor

Packages that use QueryModelVisitor

Package	Description
org.eclipse.rdf4j.query.algebra	Abstract Query Algebra model.
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps
org.eclipse.rdf4j.query.algebra.evaluation.iterator	Implementations of invalid reference Iteration relevant to query evaluation.
org.eclipse.rdf4j.query.algebra.evaluation.optimizer
org.eclipse.rdf4j.query.algebra.helpers
org.eclipse.rdf4j.query.algebra.helpers.collectors
org.eclipse.rdf4j.query.parser.sparql	The rdf4j SPARQL 1.1 parser.
org.eclipse.rdf4j.queryrender	This package contains classes for working with RDF4J query objects.
org.eclipse.rdf4j.queryrender.sparql
org.eclipse.rdf4j.queryrender.sparql.experimental	This package contains classes for rendering RDF4J query objects as SPARQL queries.
org.eclipse.rdf4j.sail.lucene	A Sail implementation that supports full-text indexing via the Lucene API.
org.eclipse.rdf4j.sail.memory	An implementation of the RDF SAIL API that uses main memory for storage.
org.eclipse.rdf4j.spin	See discussion at https://github.com/eclipse/rdf4j/issues/1262

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra

Methods in org.eclipse.rdf4j.query.algebra with parameters of type QueryModelVisitor

Modifier and Type	Method	Description
<X extends Exception> void	Add.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	AggregateFunctionCall.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	And.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ArbitraryLengthPath.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Avg.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	BindingSetAssignment.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	BNodeGenerator.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Bound.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Clear.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Coalesce.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Compare.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	CompareAll.visit(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.
<X extends Exception> void	CompareAny.visit(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.
<X extends Exception> void	Copy.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Count.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Create.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Datatype.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	DeleteData.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	DescribeOperator.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Difference.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Distinct.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	EmptySet.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Exists.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Extension.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ExtensionElem.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Filter.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	FunctionCall.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Group.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	GroupConcat.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	GroupElem.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	If.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	In.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	InsertData.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Intersection.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IRIFunction.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IsBNode.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IsLiteral.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IsNumeric.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IsResource.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	IsURI.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Join.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Label.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Lang.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	LangMatches.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	LeftJoin.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Like.visit(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.
<X extends Exception> void	ListMemberOperator.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Load.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	LocalName.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	MathExpr.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Max.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Min.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Modify.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Move.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	MultiProjection.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Namespace.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Not.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Or.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Order.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	OrderElem.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Projection.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ProjectionElem.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ProjectionElemList.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	QueryModelNode.visit(QueryModelVisitor<X> visitor)	Visits this node.
<X extends Exception> void	QueryRoot.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Reduced.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Regex.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	SameTerm.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Sample.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Service.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	SingletonSet.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Slice.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	StatementPattern.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Str.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Sum.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	TripleRef.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	TupleFunctionCall.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Union.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ValueConstant.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ValueExprTripleRef.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	Var.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	ZeroLengthPath.visit(QueryModelVisitor<X> visitor)
<X extends Exception> void	AbstractQueryModelNode.visitChildren(QueryModelVisitor<X> visitor)	Dummy implementation of QueryModelNode.visitChildren(QueryModelVisitor) that does nothing.
<X extends Exception> void	Add.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ArbitraryLengthPath.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	BinaryTupleOperator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	BinaryValueOperator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	BindingSetAssignment.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	BNodeGenerator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Bound.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Clear.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	CompareSubQueryValueOperator.visitChildren(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.
<X extends Exception> void	Copy.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Create.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	DeleteData.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	EmptySet.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Extension.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ExtensionElem.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Filter.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	FunctionCall.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Group.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	GroupElem.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	If.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	InsertData.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	LeftJoin.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Load.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Modify.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Move.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	MultiProjection.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	NAryValueOperator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Order.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	OrderElem.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Projection.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ProjectionElem.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ProjectionElemList.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	QueryModelNode.visitChildren(QueryModelVisitor<X> visitor)	Visits the children of this node.
<X extends Exception> void	Regex.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Service.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	SingletonSet.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	StatementPattern.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	SubQueryValueOperator.visitChildren(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.
<X extends Exception> void	TripleRef.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	TupleFunctionCall.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	UnaryTupleOperator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	UnaryValueOperator.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ValueConstant.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ValueExprTripleRef.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	Var.visitChildren(QueryModelVisitor<X> visitor)
<X extends Exception> void	ZeroLengthPath.visitChildren(QueryModelVisitor<X> visitor)

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.impl

Classes in org.eclipse.rdf4j.query.algebra.evaluation.impl that implement QueryModelVisitor

Modifier and Type	Class	Description
protected static class	BindingAssigner.VarVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	CompareOptimizer.CompareVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	ConjunctiveConstraintSplitter.ConstraintVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected class	ConstantOptimizer.ConstantVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected class	ConstantOptimizer.VarNameCollector	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	DisjunctiveConstraintOptimizer.OrSameTermOptimizer	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	EvaluationStatistics.CardinalityCalculator
private static class	EvaluationStatistics.ServiceNodeAnalyzer
protected static class	FilterOptimizer.DeMergeFilterFinder	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	FilterOptimizer.FilterFinder	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	FilterOptimizer.FilterRelocator	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	FilterOptimizer.MergeFilterFinder	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	IterativeEvaluationOptimizer.IEOVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	OrderLimitOptimizer.OrderOptimizer	Deprecated, for removal: This API element is subject to removal in a future version.
protected class	QueryJoinOptimizer.JoinVisitor	Deprecated. This class is protected for historic reasons only, and will be made private in a future major release.
class	QueryModelNormalizer	Deprecated, for removal: This API element is subject to removal in a future version. since 4.1.0.
private static class	QueryModelNormalizer.BindingCollector	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	QueryModelPruner.TreeSanitizer	Deprecated.
protected class	RegexAsStringFunctionOptimizer.RegexAsStringFunctionVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	SameTermFilterOptimizer.BindingSetAssignmentCollector	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	SameTermFilterOptimizer.SameTermFilterVisitor	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	SameTermFilterOptimizer.VarBinder	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	SameTermFilterOptimizer.VarRenamer	Deprecated, for removal: This API element is subject to removal in a future version.
protected static class	TupleFunctionEvaluationStatistics.TupleFunctionCardinalityCalculator

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps

Classes in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps that implement QueryModelVisitor

Modifier and Type	Class	Description
private static class	ServiceQueryEvaluationStep.BoundVarVisitor

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.iterator

Classes in org.eclipse.rdf4j.query.algebra.evaluation.iterator that implement QueryModelVisitor

Modifier and Type	Class	Description
(package private) class	PathIteration.VarReplacer

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.optimizer

Classes in org.eclipse.rdf4j.query.algebra.evaluation.optimizer that implement QueryModelVisitor

Modifier and Type	Class	Description
private static class	BindingAssignerOptimizer.VarVisitor
private static class	BindingSetAssignmentInlinerOptimizer.BindingSetAssignmentVisitor
private static class	CompareOptimizer.CompareVisitor
private static class	ConjunctiveConstraintSplitterOptimizer.ConstraintVisitor
private static class	ConstantOptimizer.ConstantVisitor
private static class	ConstantOptimizer.VarNameCollector
private static class	DisjunctiveConstraintOptimizer.OrSameTermOptimizer
private static class	FilterOptimizer.FilterMerger
private static class	FilterOptimizer.FilterOrganizer
private static class	FilterOptimizer.FilterRelocator
private static class	FilterOptimizer.FilterUnMerger
private static class	IterativeEvaluationOptimizer.IEOVisitor
private static class	OrderLimitOptimizer.OrderOptimizer
private class	ParentReferenceChecker.ParentCheckingVisitor
private static class	ParentReferenceCleaner.ParentFixingVisitor
private static class	ProjectionRemovalOptimizer.ProjectionFinder
private static class	ProjectionRemovalOptimizer.VariableFinder
private static class	QueryJoinOptimizer.JoinVisitor
private static class	QueryJoinOptimizer.JoinVisitor.StatementPatternVarCollector
class	QueryModelNormalizerOptimizer	A query optimizer that (partially) normalizes query models to a canonical form.
private static class	QueryModelNormalizerOptimizer.BindingCollector
private static class	RegexAsStringFunctionOptimizer.RegexAsStringFunctionVisitor
private static class	SameTermFilterOptimizer.BindingSetAssignmentCollector
private static class	SameTermFilterOptimizer.SameTermFilterVisitor
private static class	SameTermFilterOptimizer.StopAtScopeChange	If that variable is not in the same scope the optimization will be invalid.
private static class	SameTermFilterOptimizer.VarBinder
private static class	SameTermFilterOptimizer.VarRenamer
private static class	UnionScopeChangeOptimizer.UnionArgChecker
private static class	UnionScopeChangeOptimizer.UnionScopeChangeFixer

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.helpers

Classes in org.eclipse.rdf4j.query.algebra.helpers that implement QueryModelVisitor

Modifier and Type	Class	Description
class	AbstractQueryModelVisitor<X extends Exception>	Base class for QueryModelVisitors.
class	AbstractSimpleQueryModelVisitor<X extends Exception>	Base class for QueryModelVisitors.
class	BGPCollector<X extends Exception>	Deprecated, for removal: This API element is subject to removal in a future version.
class	QueryModelNodeReplacer	Deprecated.
class	QueryModelTreePrinter	QueryModelVisitor implementation that "prints" a tree representation of a query model.
class	QueryModelTreeToGenericPlanNode	Convert TupleExpr (QueryModelNode) to GenericPlanNode for the Query.explain(...) feature.
class	QueryModelVisitorBase<X extends Exception>	Deprecated. since 2.0.
class	StatementPatternCollector	Deprecated, for removal: This API element is subject to removal in a future version.
class	StatementPatternVisitor
private static class	TupleExprs.TupleExprChildrenVisitor<X extends Exception>
class	VarNameCollector	Deprecated, for removal: This API element is subject to removal in a future version.

Fields in org.eclipse.rdf4j.query.algebra.helpers declared as QueryModelVisitor

Modifier and Type	Field	Description
private final QueryModelVisitor<X>	BGPCollector.visitor	Deprecated, for removal: This API element is subject to removal in a future version.

Constructors in org.eclipse.rdf4j.query.algebra.helpers with parameters of type QueryModelVisitor

Modifier	Constructor	Description
	BGPCollector(QueryModelVisitor<X> visitor)	Deprecated, for removal: This API element is subject to removal in a future version.

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.algebra.helpers.collectors

Classes in org.eclipse.rdf4j.query.algebra.helpers.collectors that implement QueryModelVisitor

Modifier and Type	Class	Description
class	StatementPatternCollector	An efficient QueryModelVisitor that collects StatementPattern's from a query model.
class	VarNameCollector	A QueryModelVisitor that collects the names of (non-constant) variables that are used in a query model.

Uses of QueryModelVisitor in org.eclipse.rdf4j.query.parser.sparql

Classes in org.eclipse.rdf4j.query.parser.sparql that implement QueryModelVisitor

Modifier and Type	Class	Description
private static class	ConstructorBuilder.BasicPatternVerifier
class	TripleRefCollector
(package private) static class	TupleExprBuilder.AggregateCollector
(package private) static class	TupleExprBuilder.AggregateOperatorReplacer
private static class	TupleExprBuilder.GroupFinder
protected class	TupleExprBuilder.SameTermCollector
protected class	TupleExprBuilder.VarCollector
private static class	TupleExprBuilder.VarReplacer

Uses of QueryModelVisitor in org.eclipse.rdf4j.queryrender

Classes in org.eclipse.rdf4j.queryrender that implement QueryModelVisitor

Modifier and Type	Class	Description
class	BaseTupleExprRenderer	Base class for rendering RDF4J query API objects into strings.

Uses of QueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql

Classes in org.eclipse.rdf4j.queryrender.sparql that implement QueryModelVisitor

Modifier and Type	Class	Description
class	ContextCollector	Visitor implementation for the query algebra which walks the tree and figures out the context for nodes in the algebra.
final class	SparqlTupleExprRenderer	Extends the BaseTupleExprRenderer to provide support for rendering tuple expressions as SPARQL queries.
(package private) final class	SparqlValueExprRenderer	Renders a ValueExpr into SPARQL syntax.

Uses of QueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql.experimental

Classes in org.eclipse.rdf4j.queryrender.sparql.experimental that implement QueryModelVisitor

Modifier and Type	Class	Description
(package private) class	ParsedQueryPreprocessor	A query visitor that parses the incoming query or TupleExpr and collects meta-level information that is later used by the SparqlQueryRenderer (e.g., information about the included subquery, all group, order, and slice operations etc.).
(package private) class	PreprocessedQuerySerializer	This class processes a SerializableParsedTupleQuery and renders it as a SPARQL string.
(package private) class	PropertyPathSerializer
class	SparqlQueryRenderer	An alternative implementation of the SPARQL query renderer (more complete than the default SPARQLQueryRenderer)

Uses of QueryModelVisitor in org.eclipse.rdf4j.sail.lucene

Classes in org.eclipse.rdf4j.sail.lucene that implement QueryModelVisitor

Modifier and Type	Class	Description
private static class	QuerySpecBuilder.PatternFilter

Uses of QueryModelVisitor in org.eclipse.rdf4j.sail.memory

Classes in org.eclipse.rdf4j.sail.memory that implement QueryModelVisitor

Modifier and Type	Class	Description
protected class	MemEvaluationStatistics.MemCardinalityCalculator

Uses of QueryModelVisitor in org.eclipse.rdf4j.spin

Classes in org.eclipse.rdf4j.spin that implement QueryModelVisitor

Modifier and Type	Class	Description
private static class	SpinParser.DataVisitor
private class	SpinRenderer.AskVisitor
private class	SpinRenderer.ConstructVisitor
private class	SpinRenderer.DescribeVisitor
private static final class	SpinRenderer.ExtensionContext
private class	SpinRenderer.SpinVisitor
private final class	SpinRenderer.SpinVisitor.ExtensionVisitor
private final class	SpinRenderer.SpinVisitor.GroupVisitor
private final class	SpinRenderer.SpinVisitor.OrderVisitor