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.impl.evaluationsteps.values
org.eclipse.rdf4j.query.algebra.evaluation.iterator	Implementations of invalid reference Iteration relevant to query evaluation.

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

Classes in org.eclipse.rdf4j.federated.evaluation that implement QueryEvaluationStep

Modifier and Type	Class	Description
final class	FedXZeroLengthPathEvaluationStep	An evaluation step used for FedXZeroLengthPath.

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.prepare(FedXArbitraryLengthPath alp, QueryEvaluationContext context)
protected QueryEvaluationStep	FederationEvalStrategy.prepare(FedXZeroLengthPath zlp, QueryEvaluationContext context)
protected QueryEvaluationStep	FederationEvalStrategy.prepare(DescribeOperator operator, 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

Modifier	Constructor	Description
	HashJoin(FederationEvalStrategy strategy, CloseableIteration<BindingSet> leftIter, TupleExpr rightArg, QueryEvaluationStep rightPrepared, Set<String> joinVars, BindingSet bindings, QueryInfo queryInfo)	Deprecated, for removal: This API element is subject to removal in a future version.

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 final QueryEvaluationStep	ParallelUnionOperatorTask.expr

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

Modifier	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 final 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
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.
QueryEvaluationStep	EvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
static QueryEvaluationStep	QueryEvaluationStep.wrap(QueryEvaluationStep qes, Function<CloseableIteration<BindingSet>,CloseableIteration<BindingSet>> 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>,CloseableIteration<BindingSet>> 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

Modifier	Constructor	Description
	DelayedEvaluationIteration(QueryEvaluationStep arg, BindingSet bs)

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
final class	ExtensionQueryEvaluationStep

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

Modifier and Type	Method	Description
QueryEvaluationStep	DefaultEvaluationStrategy.precompile(TupleExpr expr)
QueryEvaluationStep	DefaultEvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)
QueryEvaluationStep	ExtendedEvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)	Deprecated, for removal: This API element is subject to removal in a future version.
QueryEvaluationStep	TupleFunctionEvaluationStrategy.precompile(TupleExpr expr, QueryEvaluationContext context)	Deprecated, for removal: This API element is subject to removal in a future version.
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(ArbitraryLengthPath alp, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(BinaryTupleOperator expr, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(BindingSetAssignment node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(DescribeOperator node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Difference node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Distinct node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(EmptySet emptySet, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Extension node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Filter node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Group node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Intersection node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Join node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(LeftJoin node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(MultiProjection node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Order node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Projection node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(QueryRoot node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Reduced node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Service service, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(SingletonSet singletonSet, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Slice node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(StatementPattern node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(TripleRef ref, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(TupleFunctionCall expr, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(UnaryTupleOperator expr, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(Union node, QueryEvaluationContext context)
protected QueryEvaluationStep	DefaultEvaluationStrategy.prepare(ZeroLengthPath zlp, QueryEvaluationContext context)
protected QueryEvaluationStep	ExtendedEvaluationStrategy.prepare(TupleFunctionCall expr, QueryEvaluationContext context)	Deprecated, for removal: This API element is subject to removal in a future version.
protected QueryEvaluationStep	TupleFunctionEvaluationStrategy.prepare(TupleFunctionCall expr, QueryEvaluationContext context)	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.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
final class	LeftJoinQueryEvaluationStep
class	MinusQueryEvaluationStep
class	OrderQueryEvaluationStep
class	PostFilterQueryEvaluationStep
class	PreFilterQueryEvaluationStep
final class	ProjectionQueryEvaluationStep
class	RdfStarQueryEvaluationStep
class	ReificationRdfStarQueryEvaluationStep
final 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
final class	ZeroLengthPathEvaluationStep

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

Modifier and Type	Method	Description
static QueryEvaluationStep	LeftJoinQueryEvaluationStep.determineRightEvaluationStep(LeftJoin join, QueryEvaluationStep prepareRightArg, QueryValueEvaluationStep joinCondition, Set<String> scopeBindingNames)	This function determines the way the right-hand side is evaluated.
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	LeftJoinQueryEvaluationStep.determineRightEvaluationStep(LeftJoin join, QueryEvaluationStep prepareRightArg, QueryValueEvaluationStep joinCondition, Set<String> scopeBindingNames)	This function determines the way the right-hand side is evaluated.
static QueryEvaluationStep	SliceQueryEvaluationStep.supply(Slice slice, QueryEvaluationStep argument)

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

Modifier	Constructor	Description
	IntersectionQueryEvaluationStep(QueryEvaluationStep leftArg, QueryEvaluationStep rightArg, Supplier<CollectionFactory> cfs)
	LeftJoinQueryEvaluationStep(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, Set<String> optionalVars)
	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)	Deprecated. for binary compatibility with versions that did not pass the Order node.
	OrderQueryEvaluationStep(Order orderNode, Comparator<BindingSet> cmp, long limit, boolean reduced, QueryEvaluationStep preparedArg, long iterationCacheSyncThreshold)
	PostFilterQueryEvaluationStep(QueryEvaluationStep wrapped, QueryValueEvaluationStep condition)
	PostFilterQueryEvaluationStep(QueryEvaluationStep wrapped, QueryValueEvaluationStep condition, QueryModelNode metricTarget)
	PreFilterQueryEvaluationStep(QueryEvaluationStep wrapped, QueryValueEvaluationStep condition)
	PreFilterQueryEvaluationStep(QueryEvaluationStep wrapped, QueryValueEvaluationStep condition, QueryModelNode metricTarget)
	ProjectionQueryEvaluationStep(Projection projection, QueryEvaluationStep qes, QueryEvaluationContext context)
	UnionQueryEvaluationStep(QueryEvaluationStep leftQes, QueryEvaluationStep rightQes)

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

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

Modifier	Constructor	Description
	CompareAllQueryValueEvaluationStep(QueryValueEvaluationStep arg, CompareAll node, QueryEvaluationStep subquery, QueryEvaluationContext context)
	CompareAnyValueEvaluationStep(QueryValueEvaluationStep arg, CompareAny node, QueryEvaluationStep subquery, QueryEvaluationContext context)
	ExistsQueryValueEvaluationStep(QueryEvaluationStep subquery)
	InValueEvaluationStep(In node, QueryEvaluationStep subquery, QueryValueEvaluationStep left)

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

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

Modifier and Type	Method	Description
static QueryEvaluationStep	FilterIterator.supply(Filter filter, EvaluationStrategy strategy, QueryEvaluationContext context)

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

Modifier and Type	Method	Description
static CloseableIteration<BindingSet>	AsyncIteratorBuffer.getInstance(QueryEvaluationStep iterationPrepared, BindingSet bindings, QueryEvaluationContext context)
static CloseableIteration<BindingSet>	AsyncIteratorDirect.getInstance(QueryEvaluationStep iterationPrepared, BindingSet bindings, QueryEvaluationContext context)
static CloseableIteration<BindingSet>	AsyncIteratorReadAhead.getInstance(QueryEvaluationStep iterationPrepared, BindingSet bindings, QueryEvaluationContext context)
static CloseableIteration<BindingSet>	InnerMergeJoinIterator.getInstance(QueryEvaluationStep leftPrepared, QueryEvaluationStep preparedRight, BindingSet bindings, Comparator<Value> cmp, Function<BindingSet,Value> value, QueryEvaluationContext context)
static CloseableIteration<BindingSet>	JoinIterator.getInstance(QueryEvaluationStep leftPrepared, QueryEvaluationStep preparedRight, BindingSet bindings)
static CloseableIteration<BindingSet>	LeftJoinIterator.getInstance(QueryEvaluationStep left, BindingSet bindings, QueryEvaluationStep rightEvaluationStep)

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

Modifier	Constructor	Description
	BadlyDesignedLeftJoinIterator(EvaluationStrategy strategy, LeftJoin join, BindingSet inputBindings, Set<String> problemVars, QueryEvaluationStep rightEvaluationStep)
	BadlyDesignedLeftJoinIterator(QueryEvaluationStep left, BindingSet inputBindings, Set<String> problemVars, QueryEvaluationStep rightEvaluationStep)
	HashJoinIteration(QueryEvaluationStep left, QueryEvaluationStep right, BindingSet bindings, boolean leftJoin, String[] joinAttributes, QueryEvaluationContext context)
	JoinIterator(QueryEvaluationStep leftPrepared, QueryEvaluationStep preparedRight, BindingSet bindings)
	LeftJoinIterator(CloseableIteration<BindingSet> leftIter, QueryEvaluationStep rightEvaluationStep)
	LeftJoinIterator(EvaluationStrategy strategy, LeftJoin join, BindingSet bindings, QueryEvaluationStep rightEvaluationStep)
	LeftJoinIterator(QueryEvaluationStep left, BindingSet bindings, QueryEvaluationStep rightEvaluationStep)