Uses of Class
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
Package
Description
Package offering various locking scheme implementations.
The Repository API: the main API for accessing rdf databases and SPARQL endpoints.
Base functionality for Sail implementations that require multi-versioned concurrency control (MVCC).
Elasticsearch store for string triples
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Uses of AbstractCloseableIteration in org.eclipse.rdf4j.common.concurrent.locks
Modifier and TypeClassDescriptionclass
LockingIteration<E,
X extends Exception> An Iteration that holds on to a lock until the Iteration is closed. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.common.iteration
Modifier and TypeClassDescriptionclass
CloseableIteratorIteration<E,
X extends Exception> An Iteration that can convert anIterator
to aCloseableIteration
.class
ConvertingIteration<S,
T, X extends Exception> A CloseableIteration that converts an iteration over objects of type S (the source type) to an iteration over objects of type T (the target type).class
DelayedIteration<E,
X extends Exception> An iteration that delays the creation of the underlying iteration until it is being accessed.class
DistinctIteration<E,
X extends Exception> An Iteration that filters any duplicate elements from an underlying iterator.final class
EmptyIteration<E,
X extends Exception> An iterator that does not contain any elements.class
ExceptionConvertingIteration<E,
X extends Exception> A CloseableIteration that converts an arbitrary iteration to an iteration with exceptions of type X.class
FilterIteration<E,
X extends Exception> A CloseableIteration that wraps another Iteration, applying a filter on the objects that are returned.class
IntersectIteration<E,
X extends Exception> An Iteration that returns the intersection of the results of two Iterations.class
IterationWrapper<E,
X extends Exception> Abstract superclass for Iterations that wrap other Iterations.class
LimitIteration<E,
X extends Exception> An Iteration that limits the amount of elements that it returns from an underlying Iteration to a fixed amount.class
LookAheadIteration<E,
X extends Exception> An Iteration that looks one element ahead, if necessary, to handle calls toLookAheadIteration.hasNext()
.class
MinusIteration<E,
X extends Exception> An Iteration that returns the results of an Iteration (the left argument) minus the results of another Iteration (the right argument).class
OffsetIteration<E,
X extends Exception> An Iteration that skips the first offset elements from an underlying Iteration.class
QueueIteration<E,
T extends Exception> Makes working with a queue easier by adding the methodsQueueIteration.done()
andQueueIteration.toss(Exception)
and after converting the Exception to the required type usingQueueIteration.convert(Exception)
.class
ReducedIteration<E,
X extends Exception> Removes consecutive duplicates from the object stream.class
SilentIteration<T,
E extends Exception> AnIterationWrapper
that silently ignores any errors that occur during processing.class
SingletonIteration<E,
X extends Exception> An Iteration that contains exactly one element.class
TimeLimitIteration<E,
X extends Exception> class
UnionIteration<E,
X extends Exception> An Iteration that returns the bag union of the results of a number of Iterations. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.federated.evaluation.concurrent
Modifier and TypeClassDescriptionclass
Specialized variants ofQueueCursor
which avoids converting any exception if it is already of typeQueryEvaluationException
.class
Base class for common parallel executors such asJoinExecutorBase
andUnionExecutorBase
.class
Parallel executor forFedXService
nodes, which wrap SERVICE expressions. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.federated.evaluation.iterator
Modifier and TypeClassDescriptionclass
Inserts original bindings into the result.class
Inserts original bindings into the result.class
A wrapping iteration that attempts to close the dependentRepositoryConnection
after consumption.class
SpecializedDescribeIteration
for evaluation of DESCRIBE queries in the federation.class
Filters iteration according to specified filterExpr and inserts original bindings into filtered results.class
Filters iteration according to specified filterExpr.class
Converts graph results into a binding set iterationclass
Retrieves the original bindings for the particular resultclass
Inserts original bindings into the result.class
Inserts original bindings into the result.class
Inserts original bindings into the result.class
Inserts original bindings into the result.class
Print the bindings of the inner iteration to stdout, however maintain a copy, which is accessible through this iteration.class
An iteration which wraps the final result and in case of exceptions aborts query evaluation for the corresponding query in fedx (potentially subqueries are still running, and jobs are scheduled).class
Convenience iteration to convertRepositoryResult
exceptions toQueryEvaluationException
.class
Represents an iteration that contains only a single binding set.class
Converts Statement iteration (i.e.class
A wrapping iteration that attempts to close all running scheduledFuture
s for the given query evaluation. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.federated.evaluation.join
Modifier and TypeClassDescriptionclass
Execute the nested loop join in an asynchronous fashion, using grouped requests, i.e.class
Execute the nested loop join in an asynchronous fashion, i.e.class
Execute the nested loop join in an asynchronous fashion, i.e.class
Operator for a hash join of tuple expressions.class
Base class for any join parallel join executor.class
Execute the nested loop join in a synchronous fashion, using grouped requests, i.e.class
Execute the nested loop join in a synchronous fashion, i.e. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.federated.evaluation.union
Modifier and TypeClassDescriptionclass
Execution of union tasks withControlledWorkerScheduler
.class
Synchronous execution of union tasks, i.e.class
Base class for any parallel union executor.class
Base class for worker unions providing convenience functions to add tasks. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.algebra.evaluation
Modifier and TypeClassDescriptionstatic class
Utility class that removes code duplication and makes a precompiled QueryEvaluationStep available as an iteration that may be created and used later. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.algebra.evaluation.federation
Modifier and TypeClassDescriptionclass
Deprecated.class
Deprecated.class
Deprecated.since 2.3 useServiceJoinConversionIteration
class
Iterator for efficient SERVICE evaluation (vectored). -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.algebra.evaluation.iterator
Modifier and TypeClassDescriptionclass
class
Deprecated.replaced by HashJoinIterationclass
CollectionIteration<E,
X extends Exception> Deprecated.since 2.3 useCollectionIteration
class
Deprecated.class
Iteration which forms the cross product of a list of materialized input bindings with each result obtained from the inner iteration.class
Iteration that implements a simplified version of Symmetric Concise Bounded Description (omitting reified statements).class
class
class
class
Generic hash join implementation suitable for use by Sail implementations.class
Interleaved join iterator.class
class
class
Sorts the input and optionally applies limit and distinct.class
class
class
Makes aQueryContext
available during iteration.class
Deprecated.since 3.1.2.class
SPARQLMinusIteration<X extends Exception>
An Iteration that returns the results of an Iteration (the left argument) MINUS any results that are compatible with results of another Iteration (the right argument) or that have no shared variables.class
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Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.algebra.evaluation.limited.iterator
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Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.impl
Modifier and TypeClassDescriptionprotected class
class
Provides concurrent access to statements as they are being parsed when instances of this class are run as Threads.class
Deprecated.since 2.0.class
An iterating implementation of theGraphQueryResult
interface.class
An iterating implementation of theTupleQueryResult
interface.class
QueueCursor<E>
Makes working with a queue easier by adding the methodsQueueIteration.done()
andQueueIteration.toss(Exception)
and automatically converting the exception into a QueryEvaluationException with an appropriate stack trace.class
Deprecated.since 2.0. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.parser.impl
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Uses of AbstractCloseableIteration in org.eclipse.rdf4j.query.resultio.helpers
Modifier and TypeClassDescriptionclass
Provides concurrent access to tuple results as they are being parsed. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.repository
Modifier and TypeClassDescriptionclass
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Uses of AbstractCloseableIteration in org.eclipse.rdf4j.repository.sparql.federation
Modifier and TypeClassDescriptionclass
CollectionIteration<E,
X extends Exception> An iteration to access a materializedCollection
of BindingSets.class
Base class for any join parallel join executor.class
Inserts original bindings into the result, uses ?__rowIdx to resolve original bindings.class
Iteration which forms the cross product of a list of materialized input bindings with each result obtained from the inner iteration. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.repository.sparql.query
Modifier and TypeClassDescriptionclass
Adds more bindings to each of the results. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.sail.base
Modifier and TypeClassDescriptionclass
An Iteration that takes two source. -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.sail.extensiblestore
Modifier and TypeClassDescriptionclass
FilteringIteration<E extends ExtensibleStatement,
X extends Exception> A wrapper for an Iteration that filters the statements against a pattern similar to getStatements(Resource subject, IRI predicate, Value object, Resource... -
Uses of AbstractCloseableIteration in org.eclipse.rdf4j.sail.memory.model
Modifier and TypeClassDescriptionclass
MemStatementIterator<X extends Exception>
A StatementIterator that can iterate over a list of Statement objects.
JoinExecutorBase