org.eclipse.rdf4j.query.resultio.binary

Class BinaryQueryResultWriter

java.lang.Object

org.eclipse.rdf4j.query.resultio.AbstractQueryResultWriter

org.eclipse.rdf4j.query.resultio.binary.BinaryQueryResultWriter

All Implemented Interfaces:

org.eclipse.rdf4j.common.io.ByteSink, org.eclipse.rdf4j.common.io.Sink, QueryResultHandler, QueryResultWriter, TupleQueryResultWriter, TupleQueryResultHandler

public class BinaryQueryResultWriter
extends AbstractQueryResultWriter
implements TupleQueryResultWriter, org.eclipse.rdf4j.common.io.ByteSink

Writer for the binary tuple result format. The format is explained in BinaryQueryResultConstants.

Author:

Arjohn Kampman

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	tupleVariablesFound

Constructor Summary

Constructors

Constructor and Description
BinaryQueryResultWriter(OutputStream out)

Method Summary

Modifier and Type	Method and Description
void	endHeader()
void	endQueryResult()
void	error(QueryErrorType errType, String msg) Writes an error msg to the stream.
OutputStream	getOutputStream()
TupleQueryResultFormat	getQueryResultFormat()
Collection<org.eclipse.rdf4j.rio.RioSetting<?>>	getSupportedSettings()
TupleQueryResultFormat	getTupleQueryResultFormat()
void	handleBoolean(boolean value)
void	handleLinks(List<String> linkUrls)
void	handleNamespace(String prefix, String uri)
protected void	handleSolutionImpl(BindingSet bindingSet)
void	handleStylesheet(String stylesheetUrl)
void	startDocument()
void	startHeader()
void	startQueryResult(List<String> bindingNames)

Methods inherited from class org.eclipse.rdf4j.query.resultio.AbstractQueryResultWriter

getFileFormat, getWriterConfig, handleSolution, setWriterConfig, xsdStringToPlainLiteral

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.query.resultio.QueryResultWriter

getWriterConfig, setWriterConfig

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

handleSolution

Methods inherited from interface org.eclipse.rdf4j.common.io.Sink

acceptsFileFormat, getFileFormat

Field Detail

tupleVariablesFound

protected boolean tupleVariablesFound

Constructor Detail

BinaryQueryResultWriter

public BinaryQueryResultWriter(OutputStream out)

Method Detail

getOutputStream

public OutputStream getOutputStream()

Specified by:

getOutputStream in interface org.eclipse.rdf4j.common.io.ByteSink

getTupleQueryResultFormat

public final TupleQueryResultFormat getTupleQueryResultFormat()

Specified by:

getTupleQueryResultFormat in interface TupleQueryResultWriter

getQueryResultFormat

public final TupleQueryResultFormat getQueryResultFormat()

Specified by:

getQueryResultFormat in interface QueryResultWriter

getSupportedSettings

public Collection<org.eclipse.rdf4j.rio.RioSetting<?>> getSupportedSettings()

Specified by:

getSupportedSettings in interface QueryResultWriter

Overrides:

getSupportedSettings in class AbstractQueryResultWriter

startDocument

public void startDocument()
                   throws TupleQueryResultHandlerException

Specified by:

startDocument in interface QueryResultWriter

Throws:

TupleQueryResultHandlerException

startQueryResult

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

Specified by:

startQueryResult in interface QueryResultHandler

Overrides:

startQueryResult in class AbstractQueryResultWriter

Throws:

TupleQueryResultHandlerException

endQueryResult

public void endQueryResult()
                    throws TupleQueryResultHandlerException

Specified by:

endQueryResult in interface QueryResultHandler

Throws:

TupleQueryResultHandlerException

handleSolutionImpl

protected void handleSolutionImpl(BindingSet bindingSet)
                           throws TupleQueryResultHandlerException

Overrides:

handleSolutionImpl in class AbstractQueryResultWriter

Throws:

TupleQueryResultHandlerException

handleNamespace

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

Specified by:

handleNamespace in interface QueryResultWriter

Throws:

QueryResultHandlerException

error

public void error(QueryErrorType errType,
                  String msg)
           throws IOException

Writes an error msg to the stream.

Parameters:

errType - The error type.

msg - The error message.

Throws:

IOException - When the error could not be written to the stream.

handleStylesheet

public void handleStylesheet(String stylesheetUrl)
                      throws QueryResultHandlerException

Specified by:

handleStylesheet in interface QueryResultWriter

Throws:

QueryResultHandlerException

startHeader

public void startHeader()
                 throws QueryResultHandlerException

Specified by:

startHeader in interface QueryResultWriter

Throws:

QueryResultHandlerException

handleLinks

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

Specified by:

handleLinks in interface QueryResultHandler

Throws:

QueryResultHandlerException

endHeader

public void endHeader()
               throws QueryResultHandlerException

Specified by:

endHeader in interface QueryResultWriter

Throws:

QueryResultHandlerException

handleBoolean

public void handleBoolean(boolean value)
                   throws QueryResultHandlerException

Specified by:

handleBoolean in interface QueryResultHandler

Throws:

QueryResultHandlerException