Class DistinctIteration<E>
java.lang.Object
org.eclipse.rdf4j.common.iteration.FilterIteration<E>
org.eclipse.rdf4j.common.iteration.DistinctIteration<E>
- All Implemented Interfaces:
AutoCloseable,Iterator<E>,CloseableIteration<E>
An Iteration that filters any duplicate elements from an underlying iterator.
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Constructor Summary
ConstructorsConstructorDescriptionDistinctIteration(CloseableIteration<? extends E> iter) Deprecated.DistinctIteration(CloseableIteration<? extends E> iter, Supplier<Set<E>> setMaker) Creates a new DistinctIterator.DistinctIteration(CloseableIteration<? extends E> iter, Set<E> excludeSet) Creates a new DistinctIterator. -
Method Summary
Modifier and TypeMethodDescriptionprotected booleanReturns true if the specified object hasn't been seen before.protected booleanprotected voidCloses this Iteration and also closes the wrapped Iteration if it is aCloseableIteration.Methods inherited from class org.eclipse.rdf4j.common.iteration.FilterIteration
close, hasNext, next, removeMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
streamMethods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Details
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DistinctIteration
Deprecated.Creates a new DistinctIterator.- Parameters:
iter- The underlying iterator.
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DistinctIteration
Creates a new DistinctIterator.- Parameters:
Set-a hopefully optimized set iter- The underlying iterator.
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DistinctIteration
Creates a new DistinctIterator.- Parameters:
Supplier- <Set> a supplier of a hopefully optimized set iter- The underlying iterator.
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Method Details
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accept
Returns true if the specified object hasn't been seen before.- Specified by:
acceptin classFilterIteration<E>- Parameters:
object- The object to be tested.- Returns:
- true if the object should be returned, false otherwise.
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handleClose
protected void handleClose()Description copied from class:FilterIterationCloses this Iteration and also closes the wrapped Iteration if it is aCloseableIteration.- Specified by:
handleClosein classFilterIteration<E>
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add
- Parameters:
object- to put into the set
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