Class StatementConversionIteration
- java.lang.Object
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- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet>
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- org.eclipse.rdf4j.federated.evaluation.iterator.StatementConversionIteration
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- All Implemented Interfaces:
AutoCloseable
,Iterator<BindingSet>
,CloseableIteration<BindingSet>
public class StatementConversionIteration extends AbstractCloseableIteration<BindingSet>
Converts Statement iteration (i.e. RepositoryResult) into the corresponding binding set. Note that exceptions are converted appropriately as well.- Author:
- Andreas Schwarte
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Field Summary
Fields Modifier and Type Field Description protected BindingSet
bindings
protected RepositoryResult<Statement>
repoResult
protected StatementPattern
stmt
protected boolean
updateContext
protected boolean
updateObj
protected boolean
updatePred
protected boolean
updateSubj
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Constructor Summary
Constructors Constructor Description StatementConversionIteration(RepositoryResult<Statement> repoResult, BindingSet bindings, StatementPattern stmt)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected BindingSet
convert(Statement st)
protected QueryEvaluationException
convertException(Exception e)
protected void
handleClose()
Called byAbstractCloseableIteration.close()
when it is called for the first time.boolean
hasNext()
protected void
init()
BindingSet
next()
void
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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Field Detail
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repoResult
protected final RepositoryResult<Statement> repoResult
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bindings
protected final BindingSet bindings
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stmt
protected final StatementPattern stmt
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updateSubj
protected boolean updateSubj
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updatePred
protected boolean updatePred
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updateObj
protected boolean updateObj
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updateContext
protected boolean updateContext
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Constructor Detail
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StatementConversionIteration
public StatementConversionIteration(RepositoryResult<Statement> repoResult, BindingSet bindings, StatementPattern stmt)
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Method Detail
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init
protected void init()
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hasNext
public boolean hasNext() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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next
public BindingSet next() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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remove
public void remove() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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handleClose
protected void handleClose() throws QueryEvaluationException
Description copied from class:AbstractCloseableIteration
Called byAbstractCloseableIteration.close()
when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.- Specified by:
handleClose
in classAbstractCloseableIteration<BindingSet>
- Throws:
QueryEvaluationException
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convert
protected BindingSet convert(Statement st)
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convertException
protected QueryEvaluationException convertException(Exception e)
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