Uses of Class
org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor

Packages that use AbstractQueryModelVisitor

Package	Description
org.eclipse.rdf4j.federated.optimizer
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.helpers
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.

Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.federated.optimizer

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.federated.optimizer

Modifier and Type	Class	Description
class	ExclusiveTupleExprOptimizer	A specialized optimizer which identifies and marks ExclusiveTupleExpr.
class	FilterOptimizer	Filter optimizer to push down FILTER expressions as far as possible.
protected static class	FilterOptimizer.FilterBindingFinder
protected static class	FilterOptimizer.FilterExprInsertVisitor
protected static class	FilterOptimizer.VarFinder
class	GenericInfoOptimizer	Generic optimizer Tasks: - Collect information (hasUnion, hasFilter, hasService) - Collect all statements in a list (for source selection), do not collect SERVICE expressions - Collect all Join arguments and group them in the NJoin structure for easier optimization (flatten)
class	LimitOptimizer	An optimizer that attempts to push upper limits into BGPs of the query.
class	ServiceOptimizer	Optimizer for SERVICE nodes.
class	StatementGroupAndJoinOptimizer	Optimizer with the following tasks: 1.
class	UnionOptimizer	Optimizer to flatten the UNION operations.

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

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.impl

Modifier and Type	Class	Description
protected static class	BindingAssigner.VarVisitor
protected static class	CompareOptimizer.CompareVisitor
protected static class	ConjunctiveConstraintSplitter.ConstraintVisitor
protected class	ConstantOptimizer.ConstantVisitor
protected class	ConstantOptimizer.VarNameCollector
protected static class	DisjunctiveConstraintOptimizer.OrSameTermOptimizer
protected static class	EvaluationStatistics.CardinalityCalculator
protected static class	FilterOptimizer.DeMergeFilterFinder
protected static class	FilterOptimizer.FilterFinder
protected static class	FilterOptimizer.FilterRelocator
protected static class	FilterOptimizer.MergeFilterFinder
protected static class	IterativeEvaluationOptimizer.IEOVisitor
protected static class	OrderLimitOptimizer.OrderOptimizer
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	A query optimizer that (partially) normalizes query models to a canonical form.
protected static class	QueryModelPruner.TreeSanitizer	Deprecated.
protected class	RegexAsStringFunctionOptimizer.RegexAsStringFunctionVisitor
protected static class	SameTermFilterOptimizer.BindingSetAssignmentCollector
protected static class	SameTermFilterOptimizer.SameTermFilterVisitor
protected static class	SameTermFilterOptimizer.VarBinder
protected static class	SameTermFilterOptimizer.VarRenamer
protected static class	TupleFunctionEvaluationStatistics.TupleFunctionCardinalityCalculator

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

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.query.algebra.helpers

Modifier and Type	Class	Description
class	BGPCollector<X extends Exception>	Basic graph pattern collector.
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	A 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 AbstractQueryModelVisitor in org.eclipse.rdf4j.query.parser.sparql

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.query.parser.sparql

Modifier and Type	Class	Description
class	TripleRefCollector
protected class	TupleExprBuilder.SameTermCollector
protected class	TupleExprBuilder.VarCollector

Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender

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

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

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql

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.
class	SparqlTupleExprRenderer	Extends the BaseTupleExprRenderer to provide support for rendering tuple expressions as SPARQL queries.

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

Subclasses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql.experimental

Modifier and Type	Class	Description
class	SparqlQueryRenderer	An alternative implementation of the SPARQL query renderer (more complete than the default SPARQLQueryRenderer)