Package org.openrdf.query.algebra.evaluation.impl

Class Summary

BindingAssigner	Assigns values to variables based on a supplied set of bindings.
BindingAssigner.VarVisitor
CompareOptimizer	A query optimizer that replaces Compare operators with SameTerms, if possible.
CompareOptimizer.CompareVisitor
ConjunctiveConstraintSplitter	Splits conjunctive constraints into seperate constraints.
ConjunctiveConstraintSplitter.ConstraintVisitor
ConstantOptimizer	A query optimizer that optimizes constant value expressions.
DisjunctiveConstraintOptimizer	A query optimizer that optimize disjunctive constraints on tuple expressions.
DisjunctiveConstraintOptimizer.OrSameTermOptimizer
EvaluationStatistics	Supplies various query model statistics to the query engine/optimizer.
EvaluationStatistics.CardinalityCalculator
EvaluationStrategyImpl	Evaluates the TupleExpr and ValueExpr using Iterators and common tripleSource API.
ExternalSet
FilterOptimizer	Optimizes a query model by pushing Filters as far down in the model tree as possible.
FilterOptimizer.FilterFinder
FilterOptimizer.FilterRelocator
IterativeEvaluationOptimizer
IterativeEvaluationOptimizer.IEOVisitor
OrderLimitOptimizer	Moves the Order node above the Projection when variables are projected.
OrderLimitOptimizer.OrderOptimizer
QueryJoinOptimizer	A query optimizer that re-orders nested Joins.
QueryModelNormalizer	A query optimizer that (partially) normalizes query models to a canonical form.
QueryModelPruner	Deprecated. Replaced by QueryModelNormalizer.
QueryModelPruner.TreeSanitizer
SameTermFilterOptimizer	A query optimizer that embeds Filters with SameTerm operators in statement patterns as much as possible.
SameTermFilterOptimizer.SameTermFilterVisitor
SameTermFilterOptimizer.VarBinder
SameTermFilterOptimizer.VarRenamer