Uses of Class
org.eclipse.rdf4j.common.iteration.LookAheadIteration

Packages that use LookAheadIteration

Package	Description
org.eclipse.rdf4j.common.iteration
org.eclipse.rdf4j.query.algebra.evaluation.federation
org.eclipse.rdf4j.query.algebra.evaluation.iterator
org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator
org.eclipse.rdf4j.query.impl
org.eclipse.rdf4j.repository.sparql.federation
org.eclipse.rdf4j.sail.federation.evaluation
org.eclipse.rdf4j.sail.memory.model	Classes implementing the storage model of the MemoryStore.

Uses of LookAheadIteration in org.eclipse.rdf4j.common.iteration

Subclasses of LookAheadIteration in org.eclipse.rdf4j.common.iteration

Modifier and Type	Class and Description
class	QueueIteration<E,T extends Exception> Makes working with a queue easier by adding the methods QueueIteration.done() and QueueIteration.toss(Exception) and after converting the Exception to the required type using QueueIteration.convert(Exception).
class	UnionIteration<E,X extends Exception> An Iteration that returns the bag union of the results of a number of Iterations.

Uses of LookAheadIteration in org.eclipse.rdf4j.query.algebra.evaluation.federation

Subclasses of LookAheadIteration in org.eclipse.rdf4j.query.algebra.evaluation.federation

Modifier and Type	Class and Description
class	ServiceCrossProductIteration Deprecated.
class	ServiceJoinIterator Iterator for efficient SERVICE evaluation (vectored).

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

Subclasses of LookAheadIteration in org.eclipse.rdf4j.query.algebra.evaluation.iterator

Modifier and Type	Class and Description
class	BadlyDesignedLeftJoinIterator
class	BottomUpJoinIterator Deprecated. replaced by HashJoinIteration
class	CrossProductIteration Iteration which forms the cross product of a list of materialized input bindings with each result obtained from the inner iteration.
class	DescribeIteration Iteration that implements a simplified version of Symmetric Concise Bounded Description (omitting reified statements).
class	HashJoinIteration Generic hash join implementation suitable for use by Sail implementations.
class	JoinIterator
class	LeftJoinIterator
class	MultiProjectionIterator
class	PathIteration
class	ZeroLengthPathIteration

Uses of LookAheadIteration in org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator

Subclasses of LookAheadIteration in org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator

Modifier and Type	Class and Description
class	LimitedSizeBottomUpJoinIterator Deprecated. replaced by LimitedSizeHashJoinIteration
class	LimitedSizeHashJoinIteration
class	LimitedSizePathIterator
class	LimitedSizeZeroLengthPathIteration

Uses of LookAheadIteration in org.eclipse.rdf4j.query.impl

Subclasses of LookAheadIteration in org.eclipse.rdf4j.query.impl

Modifier and Type	Class and Description
class	QueueCursor<E> Makes working with a queue easier by adding the methods QueueIteration.done() and QueueIteration.toss(Exception) and automatically converting the exception into a QueryEvaluationException with an appropriate stack trace.

Uses of LookAheadIteration in org.eclipse.rdf4j.repository.sparql.federation

Subclasses of LookAheadIteration in org.eclipse.rdf4j.repository.sparql.federation

Modifier and Type	Class and Description
class	JoinExecutorBase<T> Base class for any join parallel join executor.
class	SilentIteration Wrap an inner iteration and suppress exceptions silently
class	SPARQLCrossProductIteration Iteration which forms the cross product of a list of materialized input bindings with each result obtained from the inner iteration.

Uses of LookAheadIteration in org.eclipse.rdf4j.sail.federation.evaluation

Subclasses of LookAheadIteration in org.eclipse.rdf4j.sail.federation.evaluation

Modifier and Type	Class and Description
class	AlternativeCursor<E> If the primary cursor is empty, use the alternative cursor.
class	ParallelJoinCursor Iterate the left side and evaluate the right side in separate thread, only iterate the right side in the controlling thread.
class	ParallelLeftJoinCursor Transform the condition into a filter and the right side into an AlternativeCursor, then evaluate as a ParallelJoinCursor.

Uses of LookAheadIteration in org.eclipse.rdf4j.sail.memory.model

Subclasses of LookAheadIteration in org.eclipse.rdf4j.sail.memory.model

Modifier and Type	Class and Description
class	MemStatementIterator<X extends Exception> A StatementIterator that can iterate over a list of Statement objects.