org.eclipse.rdf4j.query.resultio.sparqljson

Class SPARQLBooleanJSONWriter

java.lang.Object

org.eclipse.rdf4j.query.resultio.AbstractQueryResultWriter

org.eclipse.rdf4j.query.resultio.sparqljson.SPARQLBooleanJSONWriter

All Implemented Interfaces:

CharSink, Sink, BooleanQueryResultHandler, QueryResultHandler, BooleanQueryResultWriter, QueryResultWriter

public class SPARQLBooleanJSONWriter
extends AbstractQueryResultWriter
implements BooleanQueryResultWriter

A BooleanQueryResultWriter that writes query results in the SPARQL Query Results JSON Format.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	documentOpen
protected boolean	firstTupleWritten
protected boolean	headerComplete
protected boolean	headerOpen
protected com.fasterxml.jackson.core.JsonGenerator	jg
protected boolean	linksFound
protected boolean	tupleVariablesFound

Constructor Summary

Constructors

Constructor and Description
SPARQLBooleanJSONWriter(OutputStream out)
SPARQLBooleanJSONWriter(Writer writer)

Method Summary

Modifier and Type	Method and Description
protected void	endDocument()
void	endHeader()
void	endQueryResult()
BooleanQueryResultFormat	getBooleanQueryResultFormat()
BooleanQueryResultFormat	getQueryResultFormat()
Collection<org.eclipse.rdf4j.rio.RioSetting<?>>	getSupportedSettings()
Writer	getWriter()
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> columnHeaders)
void	write(boolean value)
protected void	writeValue(org.eclipse.rdf4j.model.Value value)

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

endHeader, getSupportedSettings, getWriterConfig, handleNamespace, handleStylesheet, setWriterConfig, startDocument, startHeader

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

endQueryResult, handleBoolean, handleLinks, handleSolution, startQueryResult

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

acceptsFileFormat, getFileFormat

Field Detail

firstTupleWritten

protected boolean firstTupleWritten

documentOpen

protected boolean documentOpen

headerOpen

protected boolean headerOpen

headerComplete

protected boolean headerComplete

tupleVariablesFound

protected boolean tupleVariablesFound

linksFound

protected boolean linksFound

jg

protected final com.fasterxml.jackson.core.JsonGenerator jg

Constructor Detail

SPARQLBooleanJSONWriter

public SPARQLBooleanJSONWriter(OutputStream out)

SPARQLBooleanJSONWriter

public SPARQLBooleanJSONWriter(Writer writer)

Method Detail

getBooleanQueryResultFormat

public final BooleanQueryResultFormat getBooleanQueryResultFormat()

Specified by:

getBooleanQueryResultFormat in interface BooleanQueryResultWriter

getQueryResultFormat

public final BooleanQueryResultFormat getQueryResultFormat()

Specified by:

getQueryResultFormat in interface QueryResultWriter

write

public void write(boolean value)
           throws IOException

Specified by:

write in interface BooleanQueryResultWriter

Throws:

IOException

getWriter

public final Writer getWriter()

Specified by:

getWriter in interface CharSink

endHeader

public void endHeader()
               throws QueryResultHandlerException

Specified by:

endHeader in interface QueryResultWriter

Throws:

QueryResultHandlerException

startQueryResult

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

Specified by:

startQueryResult in interface QueryResultHandler

Overrides:

startQueryResult in class AbstractQueryResultWriter

Throws:

TupleQueryResultHandlerException

handleSolutionImpl

protected void handleSolutionImpl(BindingSet bindingSet)
                           throws TupleQueryResultHandlerException

Overrides:

handleSolutionImpl in class AbstractQueryResultWriter

Throws:

TupleQueryResultHandlerException

endQueryResult

public void endQueryResult()
                    throws TupleQueryResultHandlerException

Specified by:

endQueryResult in interface QueryResultHandler

Throws:

TupleQueryResultHandlerException

startDocument

public void startDocument()
                   throws QueryResultHandlerException

Specified by:

startDocument in interface QueryResultWriter

Throws:

QueryResultHandlerException

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

writeValue

protected void writeValue(org.eclipse.rdf4j.model.Value value)
                   throws IOException,
                          QueryResultHandlerException

Throws:

IOException

QueryResultHandlerException

handleBoolean

public void handleBoolean(boolean value)
                   throws QueryResultHandlerException

Specified by:

handleBoolean in interface QueryResultHandler

Throws:

QueryResultHandlerException

getSupportedSettings

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

Specified by:

getSupportedSettings in interface QueryResultWriter

Overrides:

getSupportedSettings in class AbstractQueryResultWriter

handleNamespace

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

Specified by:

handleNamespace in interface QueryResultWriter

Throws:

QueryResultHandlerException

endDocument

protected void endDocument()
                    throws IOException

Throws:

IOException