Uses of Interface
org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep
Package
Description
Implementations of
relevant to query evaluation.
invalid @link
Iteration
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Uses of QueryValueEvaluationStep in org.eclipse.rdf4j.federated.evaluation
Modifier and TypeMethodDescriptionFederationEvalStrategy.precompile
(ValueExpr expr, QueryEvaluationContext context) protected QueryValueEvaluationStep
FederationEvalStrategy.prepare
(ConjunctiveFilterExpr node, QueryEvaluationContext context) protected QueryValueEvaluationStep
FederationEvalStrategy.prepare
(FilterExpr node, QueryEvaluationContext context) -
Uses of QueryValueEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation
Modifier and TypeClassDescriptionstatic class
A QueryValueEvalationStep that will return the same constant value throughout the query execution.static final class
A minimal implementation that falls back to calling evaluate in the strategy.Modifier and TypeMethodDescriptiondefault QueryValueEvaluationStep
EvaluationStrategy.precompile
(ValueExpr arg, QueryEvaluationContext context) Modifier and TypeMethodDescriptionboolean
EvaluationStrategy.isTrue
(QueryValueEvaluationStep expr, BindingSet bindings) -
Uses of QueryValueEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.impl
Modifier and TypeMethodDescriptionStrictEvaluationStrategy.precompile
(ValueExpr expr, QueryEvaluationContext context) protected QueryValueEvaluationStep
ExtendedEvaluationStrategy.prepare
(Compare node, QueryEvaluationContext context) protected QueryValueEvaluationStep
ExtendedEvaluationStrategy.prepare
(MathExpr node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(Compare node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(Now node, QueryEvaluationContext context) During the execution of a single query NOW() should always return the same result and is in practical terms a constant during evaluation.StrictEvaluationStrategy.prepare
(FunctionCall node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(LangMatches node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(MathExpr node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(Not node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(Regex node, QueryEvaluationContext context) Determines whether the two operands match according to theregex
operator.protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(SameTerm node, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(ValueConstant valueConstant, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.prepare
(Var var, QueryEvaluationContext context) protected QueryValueEvaluationStep
StrictEvaluationStrategy.supplyBinaryValueEvaluation
(BinaryValueOperator node, BiFunction<Value, Value, Value> operation, QueryEvaluationContext context) Supply a QueryValueEvalationStep that will invoke the function (operator passed in).protected QueryValueEvaluationStep
StrictEvaluationStrategy.supplyUnaryValueEvaluation
(UnaryValueOperator node, Function<Value, Value> operation, QueryEvaluationContext context) Return a QueryEvaluationStep that applies constant propegation.Modifier and TypeMethodDescriptionboolean
StrictEvaluationStrategy.isTrue
(QueryValueEvaluationStep expr, BindingSet bindings) -
Uses of QueryValueEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps
Modifier and TypeMethodDescriptionstatic QueryValueEvaluationStep
RegexValueEvaluationStepSupplier.make
(EvaluationStrategy strategy, Regex node, QueryEvaluationContext context) ModifierConstructorDescriptionLeftJoinQueryEvaluationStep
(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, Set<String> optionalVars) LeftJoinQueryEvaluationStep
(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, VarNameCollector optionalVarCollector) Deprecated, for removal: This API element is subject to removal in a future version.ZeroLengthPathEvaluationStep
(Var subjectVar, Var objVar, Var contextVar, QueryValueEvaluationStep subPrep, QueryValueEvaluationStep objPrep, EvaluationStrategy strategy, QueryEvaluationContext context) -
Uses of QueryValueEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.iterator
ModifierConstructorDescriptionBadlyDesignedLeftJoinIterator
(QueryEvaluationStep left, QueryEvaluationStep right, QueryValueEvaluationStep joinCondition, BindingSet inputBindings, Set<String> problemVars) FilterIterator
(Filter filter, CloseableIteration<BindingSet, QueryEvaluationException> iter, QueryValueEvaluationStep condition, EvaluationStrategy strategy) Deprecated.LeftJoinIterator
(QueryEvaluationStep left, QueryEvaluationStep right, QueryValueEvaluationStep joinCondition, BindingSet bindings, Set<String> scopeBindingNamse)