Class ProjectionIterator
java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<T>
org.eclipse.rdf4j.common.iteration.ConvertingIteration<BindingSet,BindingSet>
org.eclipse.rdf4j.query.algebra.evaluation.iterator.ProjectionIterator
- All Implemented Interfaces:
AutoCloseable,Iterator<BindingSet>,CloseableIteration<BindingSet>
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Constructor Summary
ConstructorsConstructorDescriptionProjectionIterator(Projection projection, CloseableIteration<BindingSet> iter, BindingSet parentBindings, QueryEvaluationContext context) -
Method Summary
Modifier and TypeMethodDescriptionprotected BindingSetconvert(BindingSet sourceBindings) Converts a source type object to a target type object.static BindingSetproject(ProjectionElemList projElemList, BindingSet sourceBindings, BindingSet parentBindings) static BindingSetproject(ProjectionElemList projElemList, BindingSet sourceBindings, BindingSet parentBindings, boolean includeAllParentBindings) Methods inherited from class org.eclipse.rdf4j.common.iteration.ConvertingIteration
handleClose, hasNext, next, removeMethods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosedMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
streamMethods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Details
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ProjectionIterator
public ProjectionIterator(Projection projection, CloseableIteration<BindingSet> iter, BindingSet parentBindings, QueryEvaluationContext context) throws QueryEvaluationException - Throws:
QueryEvaluationException
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Method Details
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convert
Description copied from class:ConvertingIterationConverts a source type object to a target type object.- Specified by:
convertin classConvertingIteration<BindingSet,BindingSet> - Throws:
QueryEvaluationException
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project
public static BindingSet project(ProjectionElemList projElemList, BindingSet sourceBindings, BindingSet parentBindings) -
project
public static BindingSet project(ProjectionElemList projElemList, BindingSet sourceBindings, BindingSet parentBindings, boolean includeAllParentBindings)
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