Class FilterIteration<E>
- java.lang.Object
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- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E>
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- org.eclipse.rdf4j.common.iteration.IterationWrapper<E>
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- org.eclipse.rdf4j.common.iteration.FilterIteration<E>
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- All Implemented Interfaces:
AutoCloseable
,Iterator<E>
,CloseableIteration<E>
- Direct Known Subclasses:
DistinctIteration
,FilteringIteration
,FilterIterator
,IntersectIteration
,MinusIteration
,OffsetIteration
,ReducedIteration
,SPARQLMinusIteration
@Deprecated(since="4.1.0") public abstract class FilterIteration<E> extends IterationWrapper<E>
Deprecated.A CloseableIteration that wraps another Iteration, applying a filter on the objects that are returned. Subclasses must implement the accept method to indicate which objects should be returned.
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Field Summary
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Fields inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper
wrappedIter
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Constructor Summary
Constructors Modifier Constructor Description protected
FilterIteration(CloseableIteration<? extends E> iter)
Deprecated.
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods Modifier and Type Method Description protected abstract boolean
accept(E object)
Deprecated.Tests whether or not the specified object should be returned by this Iteration.protected void
handleClose()
Deprecated.Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.boolean
hasNext()
Deprecated.Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.E
next()
Deprecated.Returns the next element from the wrapped Iteration.-
Methods inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper
remove
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Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosed
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
stream
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Methods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Detail
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FilterIteration
protected FilterIteration(CloseableIteration<? extends E> iter)
Deprecated.- Parameters:
iter
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Method Detail
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hasNext
public boolean hasNext()
Deprecated.Description copied from class:IterationWrapper
Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.
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next
public E next()
Deprecated.Description copied from class:IterationWrapper
Returns the next element from the wrapped Iteration.
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accept
protected abstract boolean accept(E object)
Deprecated.Tests whether or not the specified object should be returned by this Iteration. All objects from the wrapped Iteration pass through this method in the same order as they are coming from the wrapped Iteration.- Parameters:
object
- The object to be tested.- Returns:
- true if the object should be returned, false otherwise.
- Throws:
X
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handleClose
protected void handleClose()
Deprecated.Description copied from class:IterationWrapper
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.- Overrides:
handleClose
in classIterationWrapper<E>
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