Uses of Interface
org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep

Packages that use QueryEvaluationStep

Package	Description
org.eclipse.rdf4j.federated.evaluation
org.eclipse.rdf4j.federated.evaluation.join
org.eclipse.rdf4j.federated.evaluation.union
org.eclipse.rdf4j.query.algebra.evaluation
org.eclipse.rdf4j.query.algebra.evaluation.impl
org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps
org.eclipse.rdf4j.query.algebra.evaluation.iterator	Implementations of Iteration relevant to query evaluation.

Uses of QueryEvaluationStep in org.eclipse.rdf4j.federated.evaluation

Methods in org.eclipse.rdf4j.federated.evaluation that return QueryEvaluationStep

Modifier and Type	Method	Description
QueryEvaluationStep	FederationEvalStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
protected QueryEvaluationStep	FederationEvalStrategy.prepareExclusiveTupleExpr(ExclusiveTupleExpr expr, QueryEvaluationContext context)
protected QueryEvaluationStep	FederationEvalStrategy.prepareLeftJoin(FedXLeftJoin leftJoin, QueryEvaluationContext context)
QueryEvaluationStep	FederationEvalStrategy.prepareNaryUnion(NUnion union, QueryEvaluationContext context)
protected QueryEvaluationStep	FederationEvalStrategy.prepareNJoin(NJoin join, QueryEvaluationContext context)

Uses of QueryEvaluationStep in org.eclipse.rdf4j.federated.evaluation.join

Constructors in org.eclipse.rdf4j.federated.evaluation.join with parameters of type QueryEvaluationStep

Constructor	Description
HashJoin(FederationEvalStrategy strategy, CloseableIteration<BindingSet,QueryEvaluationException> leftIter, TupleExpr rightArg, QueryEvaluationStep rightPrepared, Set<String> joinVars, BindingSet bindings, QueryInfo queryInfo)

Uses of QueryEvaluationStep in org.eclipse.rdf4j.federated.evaluation.union

Fields in org.eclipse.rdf4j.federated.evaluation.union declared as QueryEvaluationStep

Modifier and Type	Field	Description
protected QueryEvaluationStep	ParallelUnionOperatorTask.expr

Constructors in org.eclipse.rdf4j.federated.evaluation.union with parameters of type QueryEvaluationStep

Constructor	Description
ParallelUnionOperatorTask(ParallelExecutor<BindingSet> unionControl, QueryEvaluationStep expr, BindingSet bindings)

Uses of QueryEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation

Fields in org.eclipse.rdf4j.query.algebra.evaluation declared as QueryEvaluationStep

Modifier and Type	Field	Description
static QueryEvaluationStep	QueryEvaluationStep.EMPTY

Methods in org.eclipse.rdf4j.query.algebra.evaluation that return QueryEvaluationStep

Modifier and Type	Method	Description
static QueryEvaluationStep	QueryEvaluationStep.empty()
static QueryEvaluationStep	QueryEvaluationStep.minimal(EvaluationStrategy strategy, TupleExpr expr)	A fall back implementation that wraps a pre-existing evaluate method on a strategy
default QueryEvaluationStep	EvaluationStrategy.precompile(TupleExpr expr)	Prepare a QueryEvaluationStep that tries to do as much work once per query avoiding repeated calls to the same code as much as possible.
default QueryEvaluationStep	EvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
static QueryEvaluationStep	QueryEvaluationStep.wrap(QueryEvaluationStep qes, Function<CloseableIteration<BindingSet,QueryEvaluationException>,CloseableIteration<BindingSet,QueryEvaluationException>> wrap)	Wrap an QueryEvalationStep: where we apply a function on every evaluation result of the wrapped EvaluationStep.

Methods in org.eclipse.rdf4j.query.algebra.evaluation with parameters of type QueryEvaluationStep

Modifier and Type	Method	Description
static QueryEvaluationStep	QueryEvaluationStep.wrap(QueryEvaluationStep qes, Function<CloseableIteration<BindingSet,QueryEvaluationException>,CloseableIteration<BindingSet,QueryEvaluationException>> wrap)	Wrap an QueryEvalationStep: where we apply a function on every evaluation result of the wrapped EvaluationStep.

Constructors in org.eclipse.rdf4j.query.algebra.evaluation with parameters of type QueryEvaluationStep

Constructor	Description
DelayedEvaluationIteration(QueryEvaluationStep arg, BindingSet bs)	Deprecated, for removal: This API element is subject to removal in a future version.

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

Classes in org.eclipse.rdf4j.query.algebra.evaluation.impl that implement QueryEvaluationStep

Modifier and Type	Class	Description
class	ExtensionQueryEvaluationStep

Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl that return QueryEvaluationStep

Modifier and Type	Method	Description
QueryEvaluationStep	StrictEvaluationStrategy.precompile(TupleExpr expr)
QueryEvaluationStep	StrictEvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
QueryEvaluationStep	TupleFunctionEvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(ArbitraryLengthPath alp, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(BinaryTupleOperator expr, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(BindingSetAssignment node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(DescribeOperator node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Difference node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Distinct node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(EmptySet emptySet, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Extension node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Filter node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Group node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Intersection node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Join node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(LeftJoin node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(MultiProjection node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Order node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Projection node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(QueryRoot node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Reduced node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Service service, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(SingletonSet singletonSet, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Slice node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(StatementPattern node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(TripleRef ref, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(UnaryTupleOperator expr, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(Union node, QueryEvaluationContext context)
protected QueryEvaluationStep	StrictEvaluationStrategy.prepare(ZeroLengthPath zlp, QueryEvaluationContext context)
protected QueryEvaluationStep	TupleFunctionEvaluationStrategy.prepare(TupleFunctionCall expr, QueryEvaluationContext context)

Uses of QueryEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps

Subinterfaces of QueryEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps

Modifier and Type	Interface	Description
interface	SliceQueryEvaluationStep

Classes in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps that implement QueryEvaluationStep

Modifier and Type	Class	Description
class	BindingSetAssignmentQueryEvaluationStep
class	IntersectionQueryEvaluationStep	A step that prepares the arguments of an Intersection operator before execution.
class	JoinQueryEvaluationStep
class	LeftJoinQueryEvaluationStep
class	MinusQueryEvaluationStep
class	OrderQueryEvaluationStep
class	ProjectionQueryEvaluationStep
class	RdfStarQueryEvaluationStep
class	ReificationRdfStarQueryEvaluationStep
class	ServiceQueryEvaluationStep
static class	SliceQueryEvaluationStep.OffSetAndLimitQueryEvaluationStep
static class	SliceQueryEvaluationStep.OnlyLimitQueryEvaluationStep
static class	SliceQueryEvaluationStep.OnlyOffsetQueryEvaluationStep
class	StatementPatternQueryEvaluationStep	Evaluate the StatementPattern - taking care of graph/datasets - avoiding redoing work every call of evaluate if possible.
class	UnionQueryEvaluationStep
class	ZeroLengthPathEvaluationStep

Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps that return QueryEvaluationStep

Modifier and Type	Method	Description
static QueryEvaluationStep	LeftJoinQueryEvaluationStep.supply(EvaluationStrategy strategy, LeftJoin leftJoin, QueryEvaluationContext context)
static QueryEvaluationStep	SliceQueryEvaluationStep.supply(Slice slice, QueryEvaluationStep argument)

Methods in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps with parameters of type QueryEvaluationStep

Modifier and Type	Method	Description
static QueryEvaluationStep	SliceQueryEvaluationStep.supply(Slice slice, QueryEvaluationStep argument)

Constructors in org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps with parameters of type QueryEvaluationStep

Constructor	Description
IntersectionQueryEvaluationStep(QueryEvaluationStep leftArg, QueryEvaluationStep rightArg, Supplier<Set<BindingSet>> setMaker)
LeftJoinQueryEvaluationStep(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.
MinusQueryEvaluationStep(QueryEvaluationStep leftQes, QueryEvaluationStep rightQes)
OffSetAndLimitQueryEvaluationStep(long offset, long limit, QueryEvaluationStep argument)
OnlyLimitQueryEvaluationStep(long limit, QueryEvaluationStep argument)
OnlyOffsetQueryEvaluationStep(long offset, QueryEvaluationStep argument)
OrderQueryEvaluationStep(Comparator<BindingSet> cmp, long limit, boolean reduced, QueryEvaluationStep preparedArg, long iterationCacheSyncThreshold)
ProjectionQueryEvaluationStep(Projection projection, QueryEvaluationStep qes, QueryEvaluationContext context)
UnionQueryEvaluationStep(QueryEvaluationStep leftQes, QueryEvaluationStep rightQes)

Uses of QueryEvaluationStep in org.eclipse.rdf4j.query.algebra.evaluation.iterator

Constructors in org.eclipse.rdf4j.query.algebra.evaluation.iterator with parameters of type QueryEvaluationStep

Constructor	Description
BadlyDesignedLeftJoinIterator(QueryEvaluationStep left, QueryEvaluationStep right, QueryValueEvaluationStep joinCondition, BindingSet inputBindings, Set<String> problemVars)
DelayedEvaluationIteration(QueryEvaluationStep arg, BindingSet bs)
HashJoinIteration(QueryEvaluationStep left, QueryEvaluationStep right, BindingSet bindings, boolean leftJoin, String[] joinAttributes, QueryEvaluationContext context)
JoinIterator(EvaluationStrategy strategy, QueryEvaluationStep leftPrepared, QueryEvaluationStep rightPrepared, Join join, BindingSet bindings)
LeftJoinIterator(QueryEvaluationStep left, QueryEvaluationStep right, QueryValueEvaluationStep joinCondition, BindingSet bindings, Set<String> scopeBindingNamse)