Class IndependentJoingroupBindingsIteration
- java.lang.Object
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- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X>
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- org.eclipse.rdf4j.common.iteration.LookAheadIteration<BindingSet,QueryEvaluationException>
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- org.eclipse.rdf4j.federated.evaluation.iterator.IndependentJoingroupBindingsIteration
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- All Implemented Interfaces:
AutoCloseable
,CloseableIteration<BindingSet,QueryEvaluationException>
,Iteration<BindingSet,QueryEvaluationException>
public class IndependentJoingroupBindingsIteration extends LookAheadIteration<BindingSet,QueryEvaluationException>
Inserts original bindings into the result.- Author:
- Andreas Schwarte
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Field Summary
Fields Modifier and Type Field Description protected BindingSet
bindings
protected int
currentIdx
protected CloseableIteration<BindingSet,QueryEvaluationException>
iter
protected ArrayList<BindingSet>
result
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Constructor Summary
Constructors Constructor Description IndependentJoingroupBindingsIteration(CloseableIteration<BindingSet,QueryEvaluationException> iter, BindingSet bindings)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected ArrayList<BindingSet>
computeResult()
protected BindingSet
getNextElement()
Gets the next element.-
Methods inherited from class org.eclipse.rdf4j.common.iteration.LookAheadIteration
handleClose, hasNext, next, remove
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Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosed
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Field Detail
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bindings
protected final BindingSet bindings
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iter
protected final CloseableIteration<BindingSet,QueryEvaluationException> iter
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result
protected ArrayList<BindingSet> result
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currentIdx
protected int currentIdx
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Constructor Detail
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IndependentJoingroupBindingsIteration
public IndependentJoingroupBindingsIteration(CloseableIteration<BindingSet,QueryEvaluationException> iter, BindingSet bindings)
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Method Detail
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getNextElement
protected BindingSet getNextElement() throws QueryEvaluationException
Description copied from class:LookAheadIteration
Gets the next element. Subclasses should implement this method so that it returns the next element.- Specified by:
getNextElement
in classLookAheadIteration<BindingSet,QueryEvaluationException>
- Returns:
- The next element, or null if no more elements are available.
- Throws:
QueryEvaluationException
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computeResult
protected ArrayList<BindingSet> computeResult() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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