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

Packages that use AbstractSimpleQueryModelVisitor

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

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

Subclasses of AbstractSimpleQueryModelVisitor 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 AbstractSimpleQueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.optimizer

Subclasses of AbstractSimpleQueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.optimizer

Modifier and Type	Class	Description
protected class	QueryJoinOptimizer.JoinVisitor	This can be extended by subclasses to allow for adjustments to the optimization process.
class	QueryModelNormalizerOptimizer	A query optimizer that (partially) normalizes query models to a canonical form.

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

Subclasses of AbstractSimpleQueryModelVisitor in org.eclipse.rdf4j.query.algebra.helpers.collectors

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.