Class FederatedDescribeIteration
- 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.query.algebra.evaluation.iterator.DescribeIteration
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- org.eclipse.rdf4j.federated.evaluation.iterator.FederatedDescribeIteration
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- All Implemented Interfaces:
AutoCloseable
,CloseableIteration<BindingSet,QueryEvaluationException>
,Iteration<BindingSet,QueryEvaluationException>
public class FederatedDescribeIteration extends DescribeIteration
SpecializedDescribeIteration
for evaluation of DESCRIBE queries in the federation. ‚- Author:
- Andreas Schwarte
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Field Summary
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Fields inherited from class org.eclipse.rdf4j.query.algebra.evaluation.iterator.DescribeIteration
parentBindings, VARNAME_OBJECT, VARNAME_PREDICATE, VARNAME_SUBJECT
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Constructor Summary
Constructors Constructor Description FederatedDescribeIteration(Iteration<BindingSet,QueryEvaluationException> sourceIter, FederationEvalStrategy strategy, Set<String> describeExprNames, BindingSet parentBindings, QueryInfo queryInfo)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected CloseableIteration<BindingSet,QueryEvaluationException>
createNextIteration(Value subject, Value object)
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Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.iterator.DescribeIteration
getNextElement
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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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Constructor Detail
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FederatedDescribeIteration
public FederatedDescribeIteration(Iteration<BindingSet,QueryEvaluationException> sourceIter, FederationEvalStrategy strategy, Set<String> describeExprNames, BindingSet parentBindings, QueryInfo queryInfo)
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Method Detail
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createNextIteration
protected CloseableIteration<BindingSet,QueryEvaluationException> createNextIteration(Value subject, Value object) throws QueryEvaluationException
- Overrides:
createNextIteration
in classDescribeIteration
- Throws:
QueryEvaluationException
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