Class MinusIteration<E,X extends java.lang.Exception>
- java.lang.Object
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- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X>
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- org.eclipse.rdf4j.common.iteration.IterationWrapper<E,X>
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- org.eclipse.rdf4j.common.iteration.FilterIteration<E,X>
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- org.eclipse.rdf4j.common.iteration.MinusIteration<E,X>
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- All Implemented Interfaces:
java.lang.AutoCloseable
,CloseableIteration<E,X>
,Iteration<E,X>
@Deprecated(since="4.1.0") public class MinusIteration<E,X extends java.lang.Exception> extends FilterIteration<E,X>
Deprecated.An Iteration that returns the results of an Iteration (the left argument) minus the results of another Iteration (the right argument). Optionally, the Iteration can be configured to filter duplicates from the returned elements.Note that duplicates can also be filtered by wrapping this Iteration in a
DistinctIteration
, but that has a bit more overhead as it adds a second hash table lookup.
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Field Summary
Fields Modifier and Type Field Description private boolean
distinct
Deprecated.private java.util.Set<E>
excludeSet
Deprecated.private boolean
initialized
Deprecated.private Iteration<? extends E,X>
rightArg
Deprecated.private java.util.function.Supplier<java.util.Set<E>>
setMaker
Deprecated.-
Fields inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper
wrappedIter
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Constructor Summary
Constructors Constructor Description MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument.MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg, boolean distinct)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument.MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg, boolean distinct, java.util.function.Supplier<java.util.Set<E>> setMaker)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description protected 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
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Methods inherited from class org.eclipse.rdf4j.common.iteration.FilterIteration
hasNext, next
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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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Constructor Detail
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MinusIteration
public MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument. By default, duplicates are not filtered from the results.- Parameters:
leftArg
- An Iteration containing the main set of elements.rightArg
- An Iteration containing the set of elements that should be filtered from the main set.
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MinusIteration
public MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg, boolean distinct)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument.- Parameters:
leftArg
- An Iteration containing the main set of elements.rightArg
- An Iteration containing the set of elements that should be filtered from the main set.distinct
- Flag indicating whether duplicate elements should be filtered from the result.
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MinusIteration
public MinusIteration(Iteration<? extends E,X> leftArg, Iteration<? extends E,X> rightArg, boolean distinct, java.util.function.Supplier<java.util.Set<E>> setMaker)
Deprecated.Creates a new MinusIteration that returns the results of the left argument minus the results of the right argument.- Parameters:
leftArg
- An Iteration containing the main set of elements.rightArg
- An Iteration containing the set of elements that should be filtered from the main set.distinct
- Flag indicating whether duplicate elements should be filtered from the result.
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Method Detail
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accept
protected boolean accept(E object) throws X extends java.lang.Exception
Deprecated.Description copied from class:FilterIteration
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.
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handleClose
protected void handleClose() throws X extends java.lang.Exception
Deprecated.Description copied from class:IterationWrapper
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.- Overrides:
handleClose
in classFilterIteration<E,X extends java.lang.Exception>
- Throws:
X
X extends java.lang.Exception
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