Package org.eclipse.rdf4j.query.resultio.helpers

Class BackgroundTupleResult

java.lang.Object

org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X>

org.eclipse.rdf4j.common.iteration.IterationWrapper<BindingSet,QueryEvaluationException>

org.eclipse.rdf4j.query.impl.IteratingTupleQueryResult

org.eclipse.rdf4j.query.resultio.helpers.BackgroundTupleResult

All Implemented Interfaces:

AutoCloseable, Iterable<BindingSet>, Runnable, org.eclipse.rdf4j.common.iteration.CloseableIteration<BindingSet,QueryEvaluationException>, org.eclipse.rdf4j.common.iteration.Iteration<BindingSet,QueryEvaluationException>, QueryResult<BindingSet>, QueryResultHandler, TupleQueryResult, TupleQueryResultHandler

public class BackgroundTupleResult
extends IteratingTupleQueryResult
implements Runnable, TupleQueryResultHandler

Provides concurrent access to tuple results as they are being parsed.

Author:

James Leigh

Field Summary

Fields inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper

wrappedIter

Constructor Summary

Constructors

Constructor	Description
BackgroundTupleResult(QueueCursor<BindingSet> queue, TupleQueryResultParser parser, InputStream in)
BackgroundTupleResult(TupleQueryResultParser parser, InputStream in, WeakReference<?> callerRef)

Method Summary

Modifier and Type	Method	Description
void	endQueryResult()
List<String>	getBindingNames()
void	handleBoolean(boolean value)
protected void	handleClose()
void	handleLinks(List<String> linkUrls)
void	handleSolution(BindingSet bindingSet)
void	run()
void	startQueryResult(List<String> bindingNames)

Methods inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper

hasNext, next, remove

Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration

close, isClosed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration

close

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.eclipse.rdf4j.common.iteration.Iteration

hasNext, next, remove, stream

Methods inherited from interface org.eclipse.rdf4j.query.QueryResult

iterator

Constructor Detail

BackgroundTupleResult

public BackgroundTupleResult(TupleQueryResultParser parser,
                             InputStream in,
                             WeakReference<?> callerRef)

BackgroundTupleResult

public BackgroundTupleResult(QueueCursor<BindingSet> queue,
                             TupleQueryResultParser parser,
                             InputStream in)

Method Detail

handleClose

protected void handleClose()
                    throws QueryEvaluationException

Overrides:

handleClose in class org.eclipse.rdf4j.common.iteration.IterationWrapper<BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException

getBindingNames

public List<String> getBindingNames()

Specified by:

getBindingNames in interface TupleQueryResult

Overrides:

getBindingNames in class IteratingTupleQueryResult

run

public void run()

Specified by:

run in interface Runnable

startQueryResult

public void startQueryResult(List<String> bindingNames)
                      throws TupleQueryResultHandlerException

Specified by:

startQueryResult in interface QueryResultHandler

Throws:

TupleQueryResultHandlerException

handleSolution

public void handleSolution(BindingSet bindingSet)
                    throws TupleQueryResultHandlerException

Specified by:

handleSolution in interface QueryResultHandler

Throws:

TupleQueryResultHandlerException

endQueryResult

public void endQueryResult()
                    throws TupleQueryResultHandlerException

Specified by:

endQueryResult in interface QueryResultHandler

Throws:

TupleQueryResultHandlerException

handleBoolean

public void handleBoolean(boolean value)
                   throws QueryResultHandlerException

Specified by:

handleBoolean in interface QueryResultHandler

Throws:

QueryResultHandlerException

handleLinks

public void handleLinks(List<String> linkUrls)
                 throws QueryResultHandlerException

Specified by:

handleLinks in interface QueryResultHandler

Throws:

QueryResultHandlerException