Interface CloseableIteration<E,X extends Exception>
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- All Superinterfaces:
AutoCloseable
,Iteration<E,X>
- All Known Subinterfaces:
GraphQueryResult
,QueryResult<T>
,TupleQueryResult
- All Known Implementing Classes:
AbstractCloseableIteration
,AbstractParserQuery.QueryInterruptIteration
,AbstractParserQuery.QueryInterruptIteration
,AlternativeCursor
,BackgroundGraphResult
,BackgroundTupleResult
,BadlyDesignedLeftJoinIterator
,BottomUpJoinIterator
,BoundJoinConversionIteration
,BoundJoinVALUESConversionIteration
,CachedGraphQueryResult
,CachedTupleQueryResult
,CloseableIteratorIteration
,CloseablePeakableIteration
,CloseDependentConnectionIteration
,CollectionIteration
,CollectionIteration
,CompatibleBindingSetFilter
,ConsumingIteration
,ControlledWorkerBoundJoin
,ControlledWorkerJoin
,ControlledWorkerLeftJoin
,ControlledWorkerUnion
,ConvertingIteration
,CrossProductIteration
,DelayedIteration
,DescribeIteration
,DistinctIteration
,DistinctModelReducingUnionIteration
,EmptyIteration
,ExceptionConvertingIteration
,ExtensionIterator
,FedXQueueCursor
,FilterCursor
,FilteringInsertBindingsIteration
,FilteringIteration
,FilteringIteration
,FilterIteration
,FilterIterator
,GraphQueryResultImpl
,GraphToBindingSetConversionIteration
,GroupedCheckConversionIteration
,GroupIterator
,HashJoin
,HashJoinIteration
,IndependentJoingroupBindingsIteration
,IndependentJoingroupBindingsIteration2
,IndependentJoingroupBindingsIteration3
,InsertBindingSetCursor
,InsertBindingSetCursor
,InsertBindingsIteration
,IntersectIteration
,IteratingGraphQueryResult
,IteratingTupleQueryResult
,IterationWrapper
,JoinExecutorBase
,JoinExecutorBase
,JoinExecutorBase
,JoinIterator
,LazyMutableClosableIteration
,LeftJoinIterator
,LimitedSizeBottomUpJoinIterator
,LimitedSizeDistinctIteration
,LimitedSizeHashJoinIteration
,LimitedSizeIntersectIteration
,LimitedSizeOrderIteration
,LimitedSizePathIterator
,LimitedSizeSPARQLMinusIteration
,LimitedSizeZeroLengthPathIteration
,LimitIteration
,LockingIteration
,LoggingCloseableIteration
,LookAheadIteration
,MemStatementIterator
,MinusIteration
,MultiProjectionIterator
,MutableTupleQueryResult
,OffsetIteration
,OrderIterator
,ParallelExecutorBase
,ParallelJoinCursor
,ParallelLeftJoinCursor
,ParallelServiceExecutor
,PathIteration
,PrintingIteration
,ProjectionIterator
,QueryContextIteration
,QueryResultIteration
,QueueCursor
,QueueIteration
,ReducedIteration
,RepositoryExceptionConvertingIteration
,RepositoryResult
,ReusableGraphQueryResult
,ReusableTupleQueryResult
,ServiceCrossProductIteration
,ServiceJoinConversionIteration
,ServiceJoinConversionIteration
,ServiceJoinIterator
,SilentIteration
,SilentIteration
,SingleBindingSetIteration
,SingletonIteration
,SPARQLCrossProductIteration
,SPARQLMinusIteration
,StatementConversionIteration
,StopRemainingExecutionsOnCloseIteration
,SynchronousBoundJoin
,SynchronousJoin
,SynchronousWorkerUnion
,TimeLimitIteration
,TupleQueryResultImpl
,UnionExecutorBase
,UnionIteration
,WorkerUnionBase
,ZeroLengthPathIteration
public interface CloseableIteration<E,X extends Exception> extends Iteration<E,X>, AutoCloseable
AnIteration
that can be closed to free resources that it is holding. CloseableIterations automatically free their resources when exhausted. If not read until exhaustion or if you want to make sure the iteration is properly closed, any code using the iterator should be placed in a try-with-resources block, closing the iteration automatically, e.g.:try (CloseableIteration<Object, Exception> iter = ...) { // read objects from the iterator } catch(Exception e) { // process the exception that can be thrown while processing. }
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
close()
Closes this iteration, freeing any resources that it is holding.
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