Uses of Class
org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor
Package
Description
The rdf4j SPARQL 1.1 parser.
This package contains classes for working with RDF4J query objects.
This package contains classes for rendering RDF4J query objects as SPARQL queries.
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Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.federated.optimizer
Modifier and TypeClassDescriptionclass
A specialized optimizer which identifies and marksExclusiveTupleExpr
.class
Filter optimizer to push down FILTER expressions as far as possible.protected static class
protected static class
protected static class
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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
An optimizer that attempts to push upper limits into BGPs of the query.class
Optimizer for SERVICE nodes.class
Optimizer with the following tasks: 1.class
Optimizer to flatten the UNION operations. -
Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.query.algebra.evaluation.impl
Modifier and TypeClassDescriptionprotected static class
protected static class
protected static class
protected class
protected class
protected static class
protected static class
protected static class
protected static class
protected static class
protected static class
protected static class
protected static class
protected class
Deprecated.This class is protected for historic reasons only, and will be made private in a future major release.class
A query optimizer that (partially) normalizes query models to a canonical form.protected static class
Deprecated.protected class
protected static class
protected static class
protected static class
protected static class
protected static class
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Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.query.algebra.helpers
Modifier and TypeClassDescriptionclass
BGPCollector<X extends Exception>
Basic graph pattern collector.class
Deprecated.class
QueryModelVisitor implementation that "prints" a tree representation of a query model.class
Convert TupleExpr (QueryModelNode) to GenericPlanNode for the Query.explain(...) feature.class
QueryModelVisitorBase<X extends Exception>
Deprecated.since 2.0.class
A QueryModelVisitor that collects StatementPattern's from a query model.class
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
Modifier and TypeClassDescriptionclass
protected class
protected class
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Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender
Modifier and TypeClassDescriptionclass
Base class for rendering RDF4J query API objects into strings. -
Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql
Modifier and TypeClassDescriptionclass
Visitor implementation for the query algebra which walks the tree and figures out the context for nodes in the algebra.final class
Extends the BaseTupleExprRenderer to provide support for rendering tuple expressions as SPARQL queries. -
Uses of AbstractQueryModelVisitor in org.eclipse.rdf4j.queryrender.sparql.experimental
Modifier and TypeClassDescriptionclass
An alternative implementation of the SPARQL query renderer (more complete than the defaultSPARQLQueryRenderer
)