org.openrdf.http.client

Class BackgroundGraphResult

java.lang.Object

info.aduna.iteration.CloseableIterationBase<E,X>

info.aduna.iteration.IterationWrapper<Statement,QueryEvaluationException>

org.openrdf.http.client.BackgroundGraphResult

All Implemented Interfaces:

CloseableIteration<Statement,QueryEvaluationException>, Iteration<Statement,QueryEvaluationException>, Runnable, GraphQueryResult, QueryResult<Statement>, RDFHandler

public class BackgroundGraphResult
extends IterationWrapper<Statement,QueryEvaluationException>
implements GraphQueryResult, Runnable, RDFHandler

Provides concurrent access to statements as they are being parsed.

Author:

James Leigh

Field Summary

Fields inherited from class info.aduna.iteration.IterationWrapper

wrappedIter

Constructor Summary

Constructors

Constructor and Description
BackgroundGraphResult(QueueCursor<Statement> queue, RDFParser parser, InputStream in, Charset charset, String baseURI)
BackgroundGraphResult(RDFParser parser, InputStream in, Charset charset, String baseURI)

Method Summary

Modifier and Type	Method and Description
void	endRDF()
Map<String,String>	getNamespaces()
protected void	handleClose()
void	handleComment(String comment)
void	handleNamespace(String prefix, String uri)
void	handleStatement(Statement st)
boolean	hasNext()
Statement	next()
void	remove()
void	run()
void	startRDF()

Methods inherited from class info.aduna.iteration.CloseableIterationBase

close, isClosed

Methods inherited from class java.lang.Object

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

Methods inherited from interface info.aduna.iteration.CloseableIteration

close

Constructor Detail

BackgroundGraphResult

public BackgroundGraphResult(RDFParser parser,
                             InputStream in,
                             Charset charset,
                             String baseURI)

BackgroundGraphResult

public BackgroundGraphResult(QueueCursor<Statement> queue,
                             RDFParser parser,
                             InputStream in,
                             Charset charset,
                             String baseURI)

Method Detail

hasNext

public boolean hasNext()
                throws QueryEvaluationException

Specified by:

hasNext in interface Iteration<Statement,QueryEvaluationException>

Overrides:

hasNext in class IterationWrapper<Statement,QueryEvaluationException>

Throws:

QueryEvaluationException

next

public Statement next()
               throws QueryEvaluationException

Specified by:

next in interface Iteration<Statement,QueryEvaluationException>

Overrides:

next in class IterationWrapper<Statement,QueryEvaluationException>

Throws:

QueryEvaluationException

remove

public void remove()
            throws QueryEvaluationException

Specified by:

remove in interface Iteration<Statement,QueryEvaluationException>

Overrides:

remove in class IterationWrapper<Statement,QueryEvaluationException>

Throws:

QueryEvaluationException

handleClose

protected void handleClose()
                    throws QueryEvaluationException

Overrides:

handleClose in class IterationWrapper<Statement,QueryEvaluationException>

Throws:

QueryEvaluationException

run

public void run()

Specified by:

run in interface Runnable

startRDF

public void startRDF()
              throws RDFHandlerException

Specified by:

startRDF in interface RDFHandler

Throws:

RDFHandlerException

getNamespaces

public Map<String,String> getNamespaces()

Specified by:

getNamespaces in interface GraphQueryResult

handleComment

public void handleComment(String comment)
                   throws RDFHandlerException

Specified by:

handleComment in interface RDFHandler

Throws:

RDFHandlerException

handleNamespace

public void handleNamespace(String prefix,
                            String uri)
                     throws RDFHandlerException

Specified by:

handleNamespace in interface RDFHandler

Throws:

RDFHandlerException

handleStatement

public void handleStatement(Statement st)
                     throws RDFHandlerException

Specified by:

handleStatement in interface RDFHandler

Throws:

RDFHandlerException

endRDF

public void endRDF()
            throws RDFHandlerException

Specified by:

endRDF in interface RDFHandler

Throws:

RDFHandlerException