com.bigdata.rdf.rio.json

Class BigdataSPARQLResultsJSONWriter

java.lang.Object

org.openrdf.query.resultio.QueryResultWriterBase

com.bigdata.rdf.rio.json.BigdataSPARQLResultsJSONWriter

All Implemented Interfaces:

org.openrdf.query.QueryResultHandler, org.openrdf.query.resultio.QueryResultWriter, org.openrdf.query.resultio.TupleQueryResultWriter, org.openrdf.query.TupleQueryResultHandler

public class BigdataSPARQLResultsJSONWriter
extends org.openrdf.query.resultio.QueryResultWriterBase
implements org.openrdf.query.resultio.TupleQueryResultWriter

A TupleQueryResultWriter 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
BigdataSPARQLResultsJSONWriter(OutputStream out)
BigdataSPARQLResultsJSONWriter(Writer writer)

Method Summary

Methods

Modifier and Type	Method and Description
void	endDocument()
void	endHeader()
void	endQueryResult()
org.openrdf.query.resultio.TupleQueryResultFormat	getQueryResultFormat()
Collection<org.openrdf.rio.RioSetting<?>>	getSupportedSettings()
org.openrdf.query.resultio.TupleQueryResultFormat	getTupleQueryResultFormat()
void	handleBoolean(boolean value)
void	handleLinks(List<String> linkUrls)
void	handleNamespace(String prefix, String uri)
void	handleSolution(org.openrdf.query.BindingSet bindingSet)
void	handleStylesheet(String stylesheetUrl)
void	startDocument()
void	startHeader()
void	startQueryResult(List<String> columnHeaders)
protected void	writeSid(BigdataBNode sid)
protected void	writeValue(org.openrdf.model.Value value)

Methods inherited from class org.openrdf.query.resultio.QueryResultWriterBase

getWriterConfig, setWriterConfig

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.query.resultio.QueryResultWriter

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

Methods inherited from interface org.openrdf.query.QueryResultHandler

endQueryResult, handleBoolean, handleLinks, handleSolution, startQueryResult

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

BigdataSPARQLResultsJSONWriter

public BigdataSPARQLResultsJSONWriter(Writer writer)

BigdataSPARQLResultsJSONWriter

public BigdataSPARQLResultsJSONWriter(OutputStream out)

Method Detail

getTupleQueryResultFormat

public final org.openrdf.query.resultio.TupleQueryResultFormat getTupleQueryResultFormat()

Specified by:

getTupleQueryResultFormat in interface org.openrdf.query.resultio.TupleQueryResultWriter

getQueryResultFormat

public org.openrdf.query.resultio.TupleQueryResultFormat getQueryResultFormat()

Specified by:

getQueryResultFormat in interface org.openrdf.query.resultio.QueryResultWriter

writeValue

protected void writeValue(org.openrdf.model.Value value)
                   throws IOException,
                          org.openrdf.query.QueryResultHandlerException

Throws:

IOException

org.openrdf.query.QueryResultHandlerException

writeSid

protected void writeSid(BigdataBNode sid)
                 throws IOException,
                        org.openrdf.query.QueryResultHandlerException

Throws:

IOException

org.openrdf.query.QueryResultHandlerException

endHeader

public void endHeader()
               throws org.openrdf.query.QueryResultHandlerException

Specified by:

endHeader in interface org.openrdf.query.resultio.QueryResultWriter

Throws:

org.openrdf.query.QueryResultHandlerException

startQueryResult

public void startQueryResult(List<String> columnHeaders)
                      throws org.openrdf.query.TupleQueryResultHandlerException

Specified by:

startQueryResult in interface org.openrdf.query.QueryResultHandler

Throws:

org.openrdf.query.TupleQueryResultHandlerException

handleSolution

public void handleSolution(org.openrdf.query.BindingSet bindingSet)
                    throws org.openrdf.query.TupleQueryResultHandlerException

Specified by:

handleSolution in interface org.openrdf.query.QueryResultHandler

Throws:

org.openrdf.query.TupleQueryResultHandlerException

endQueryResult

public void endQueryResult()
                    throws org.openrdf.query.TupleQueryResultHandlerException

Specified by:

endQueryResult in interface org.openrdf.query.QueryResultHandler

Throws:

org.openrdf.query.TupleQueryResultHandlerException

startDocument

public void startDocument()
                   throws org.openrdf.query.QueryResultHandlerException

Specified by:

startDocument in interface org.openrdf.query.resultio.QueryResultWriter

Throws:

org.openrdf.query.QueryResultHandlerException

handleStylesheet

public void handleStylesheet(String stylesheetUrl)
                      throws org.openrdf.query.QueryResultHandlerException

Specified by:

handleStylesheet in interface org.openrdf.query.resultio.QueryResultWriter

Throws:

org.openrdf.query.QueryResultHandlerException

startHeader

public void startHeader()
                 throws org.openrdf.query.QueryResultHandlerException

Specified by:

startHeader in interface org.openrdf.query.resultio.QueryResultWriter

Throws:

org.openrdf.query.QueryResultHandlerException

handleLinks

public void handleLinks(List<String> linkUrls)
                 throws org.openrdf.query.QueryResultHandlerException

Specified by:

handleLinks in interface org.openrdf.query.QueryResultHandler

Throws:

org.openrdf.query.QueryResultHandlerException

handleBoolean

public void handleBoolean(boolean value)
                   throws org.openrdf.query.QueryResultHandlerException

Specified by:

handleBoolean in interface org.openrdf.query.QueryResultHandler

Throws:

org.openrdf.query.QueryResultHandlerException

getSupportedSettings

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

Specified by:

getSupportedSettings in interface org.openrdf.query.resultio.QueryResultWriter

Overrides:

getSupportedSettings in class org.openrdf.query.resultio.QueryResultWriterBase

handleNamespace

public void handleNamespace(String prefix,
                   String uri)
                     throws org.openrdf.query.QueryResultHandlerException

Specified by:

handleNamespace in interface org.openrdf.query.resultio.QueryResultWriter

Throws:

org.openrdf.query.QueryResultHandlerException

endDocument

public void endDocument()
                 throws IOException

Throws:

IOException