| Modifier and Type | Class and Description |
|---|---|
class |
LockingIteration<E,X extends Exception>
An Iteration that holds on to a lock until the Iteration is closed.
|
| Modifier and Type | Class and Description |
|---|---|
class |
CloseableIterationBase<E,X extends Exception>
Deprecated.
since 2.0. Use
AbstractCloseableIteration instead. |
class |
CloseableIteratorIteration<E,X extends Exception>
An Iteration that can convert an
Iterator to a CloseableIteration. |
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.
|
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 to
LookAheadIteration.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 methods
QueueIteration.done() and QueueIteration.toss(Exception) and after
converting the Exception to the required type using QueueIteration.convert(Exception). |
class |
ReducedIteration<E,X extends Exception>
Removes consecutive duplicates from the object stream.
|
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.
|
| Modifier and Type | Class and Description |
|---|---|
class |
FedXQueueCursor<T>
Specialized variants of
QueueCursor which avoids converting any exception if it is already of
typeQueryEvaluationException. |
class |
ParallelExecutorBase<T>
Base class for common parallel executors such as
JoinExecutorBase and UnionExecutorBase. |
class |
ParallelServiceExecutor
Parallel executor for
FedXService nodes, which wrap SERVICE expressions. |
| Modifier and Type | Class and Description |
|---|---|
class |
BoundJoinConversionIteration
Inserts original bindings into the result.
|
class |
BoundJoinVALUESConversionIteration
Inserts original bindings into the result.
|
class |
CloseDependentConnectionIteration<T>
A wrapping iteration that attempts to close the dependent
RepositoryConnection after consumption. |
class |
FilteringInsertBindingsIteration
Filters iteration according to specified filterExpr and inserts original bindings into filtered results.
|
class |
FilteringIteration
Filters iteration according to specified filterExpr.
|
class |
GraphToBindingSetConversionIteration
Converts graph results into a binding set iteration
|
class |
GroupedCheckConversionIteration
Retrieves the original bindings for the particular result
|
class |
IndependentJoingroupBindingsIteration
Inserts original bindings into the result.
|
class |
IndependentJoingroupBindingsIteration2
Inserts original bindings into the result.
|
class |
IndependentJoingroupBindingsIteration3
Inserts original bindings into the result.
|
class |
InsertBindingsIteration
Inserts original bindings into the result.
|
class |
PrintingIteration
Print the bindings of the inner iteration to stdout, however maintain a copy, which is accessible through this
iteration.
|
class |
QueryResultIteration
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 |
RepositoryExceptionConvertingIteration<T>
Convenience iteration to convert
RepositoryResult exceptions to QueryEvaluationException. |
class |
SingleBindingSetIteration
Represents an iteration that contains only a single binding set.
|
class |
StatementConversionIteration
Converts Statement iteration (i.e.
|
class |
StopRemainingExecutionsOnCloseIteration
A wrapping iteration that attempts to close all running scheduled
Futures for the given query evaluation. |
| Modifier and Type | Class and Description |
|---|---|
class |
ControlledWorkerBoundJoin
Execute the nested loop join in an asynchronous fashion, using grouped requests, i.e.
|
class |
ControlledWorkerJoin
Execute the nested loop join in an asynchronous fashion, i.e.
|
class |
ControlledWorkerLeftJoin
Execute the nested loop join in an asynchronous fashion, i.e.
|
class |
HashJoin
Operator for a hash join of tuple expressions.
|
class |
SynchronousBoundJoin
Execute the nested loop join in a synchronous fashion, using grouped requests, i.e.
|
class |
SynchronousJoin
Execute the nested loop join in a synchronous fashion, i.e.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ControlledWorkerUnion<T>
Execution of union tasks with
ControlledWorkerScheduler. |
class |
SynchronousWorkerUnion<T>
Synchronous execution of union tasks, i.e.
|
class |
UnionExecutorBase<T>
Base class for any parallel union executor.
|
class |
WorkerUnionBase<T>
Base class for worker unions providing convenience functions to add tasks.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ServiceCrossProductIteration
Deprecated.
|
class |
ServiceJoinIterator
Iterator for efficient SERVICE evaluation (vectored).
|
| Modifier and Type | Class and Description |
|---|---|
class |
BadlyDesignedLeftJoinIterator |
class |
BottomUpJoinIterator
Deprecated.
replaced by HashJoinIteration
|
class |
CompatibleBindingSetFilter
Deprecated.
|
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 |
ExtensionIterator |
class |
FilterIterator |
class |
GroupIterator |
class |
HashJoinIteration
Generic hash join implementation suitable for use by Sail implementations.
|
class |
JoinIterator |
class |
LeftJoinIterator |
class |
MultiProjectionIterator |
class |
OrderIterator
Sorts the input and optionally applies limit and distinct.
|
class |
PathIteration |
class |
ProjectionIterator |
class |
QueryContextIteration
Makes a
QueryContext available during iteration. |
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 |
ZeroLengthPathIteration |
| Modifier and Type | Class and Description |
|---|---|
class |
LimitedSizeBottomUpJoinIterator
Deprecated.
replaced by LimitedSizeHashJoinIteration
|
class |
LimitedSizeDistinctIteration |
class |
LimitedSizeHashJoinIteration |
class |
LimitedSizeIntersectIteration |
class |
LimitedSizeOrderIteration |
class |
LimitedSizePathIterator |
class |
LimitedSizeSPARQLMinusIteration |
class |
LimitedSizeZeroLengthPathIteration |
| Modifier and Type | Class and Description |
|---|---|
protected class |
AbstractParserQuery.QueryInterruptIteration |
class |
BackgroundGraphResult
Provides concurrent access to statements as they are being parsed when instances of this class are run as Threads.
|
class |
GraphQueryResultImpl
Deprecated.
since 2.0. Use
IteratingGraphQueryResult instead. |
class |
IteratingGraphQueryResult
An iterating implementation of the
GraphQueryResult interface. |
class |
IteratingTupleQueryResult
An iterating implementation of the
TupleQueryResult interface. |
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. |
class |
TupleQueryResultImpl
Deprecated.
since 2.0. Use
IteratingTupleQueryResult instead. |
| Modifier and Type | Class and Description |
|---|---|
class |
BackgroundTupleResult
Provides concurrent access to tuple results as they are being parsed.
|
| Modifier and Type | Class and Description |
|---|---|
class |
RepositoryResult<T>
|
| Modifier and Type | Class and Description |
|---|---|
class |
CollectionIteration<E,X extends Exception>
An iteration to access a materialized
Collection of BindingSets. |
class |
JoinExecutorBase<T>
Base class for any join parallel join executor.
|
class |
ServiceJoinConversionIteration
Inserts original bindings into the result, uses ?__rowIdx to resolve original bindings.
|
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.
|
| Modifier and Type | Class and Description |
|---|---|
class |
InsertBindingSetCursor
Adds more bindings to each of the results.
|
| Modifier and Type | Class and Description |
|---|---|
class |
DistinctModelReducingUnionIteration
An Iteration that takes two source.
|
| Modifier and Type | Class and Description |
|---|---|
class |
AlternativeCursor<E>
If the primary cursor is empty, use the alternative cursor.
|
class |
FilterCursor
Provides a convenient constructor for
FilterIterator using the condition. |
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. |
| Modifier and Type | Class and Description |
|---|---|
class |
MemStatementIterator<X extends Exception>
A StatementIterator that can iterate over a list of Statement objects.
|
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