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.
-
Constructor Summary
ConstructorDescriptionDistinctIteration
(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 boolean
Returns true if the specified object hasn't been seen before.protected boolean
protected void
Closes 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, remove
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
stream
Methods inherited from interface java.util.Iterator
forEachRemaining
-
Constructor Details
-
DistinctIteration
Deprecated.Creates a new DistinctIterator.- Parameters:
iter
- The underlying iterator.
-
DistinctIteration
Creates a new DistinctIterator.- Parameters:
iter
- The underlying iterator.Set
-a hopefully optimized set
-
DistinctIteration
Creates a new DistinctIterator.- Parameters:
iter
- The underlying iterator.Supplier
- invalid input: '<'Set> a supplier of a hopefully optimized set
-
-
Method Details
-
accept
Returns true if the specified object hasn't been seen before.- Specified by:
accept
in classFilterIteration<E>
- Parameters:
object
- The object to be tested.- Returns:
- true if the object should be returned, false otherwise.
-
handleClose
protected void handleClose()Description copied from class:FilterIteration
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.- Specified by:
handleClose
in classFilterIteration<E>
-
add
- Parameters:
object
- to put into the set
-