Package com.stardog.stark.query.io.json

Class SPARQLJSONSelectResultWriter

java.lang.Object

com.stardog.stark.query.io.json.AbstractSPARQLJSONWriter<BindingSet>

com.stardog.stark.query.io.json.SPARQLJSONSelectResultWriter

All Implemented Interfaces:

QueryResultWriter<BindingSet>, SelectQueryResultWriter, QueryResultHandler<BindingSet>, SelectQueryResultHandler

public class SPARQLJSONSelectResultWriter
extends AbstractSPARQLJSONWriter<BindingSet>
implements SelectQueryResultWriter

SelectQueryResultWriter for select results as SPARQL/JSON

Since:

1.0

Version:

1.0

Author:

Michael Grove

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	SPARQLJSONSelectResultWriter.SPARQLJSONSelectResultWriterFactory

Field Summary

Fields inherited from class com.stardog.stark.query.io.json.AbstractSPARQLJSONWriter

documentOpen, firstTupleWritten, headerComplete, headerOpen, jg, linksFound, mOptions, tupleVariablesFound

Constructor Summary

Constructors

Constructor	Description
SPARQLJSONSelectResultWriter(OutputStream theOutputStream, Options theOptions)

Method Summary

Modifier and Type	Method	Description
void	end()	Signal that query processing has completed
QueryResultFormat	format()	The format this writer will serialize output in
void	handle(BindingSet theBindings)	Handle a result to a query
void	variables(List<String> theVars)	The variables in the projection of the query

Methods inherited from class com.stardog.stark.query.io.json.AbstractSPARQLJSONWriter

endHeader, links, namespace, start, startHeader, writeHeaderFields, writeValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.stardog.stark.query.io.QueryResultWriter

links, namespace, start

Constructor Details

SPARQLJSONSelectResultWriter

public SPARQLJSONSelectResultWriter(OutputStream theOutputStream,
 Options theOptions)

Method Details

variables

public void variables(@Nonnull
 List<String> theVars)

The variables in the projection of the query

Specified by:

variables in interface SelectQueryResultHandler

Parameters:

theVars - the variables

See Also:

• SelectQueryResult.variables()

handle

public void handle(@Nonnull
 BindingSet theBindings)
            throws ResultWritingFailed

Handle a result to a query

Specified by:

handle in interface QueryResultHandler<BindingSet>

Specified by:

handle in interface QueryResultWriter<BindingSet>

Parameters:

theBindings - the result

Throws:

ResultWritingFailed

end

public void end()

Signal that query processing has completed

Specified by:

end in interface QueryResultHandler<BindingSet>

Specified by:

end in interface QueryResultWriter<BindingSet>

Overrides:

end in class AbstractSPARQLJSONWriter<BindingSet>

format

@Nonnull
public QueryResultFormat format()

The format this writer will serialize output in

Specified by:

format in interface QueryResultWriter<BindingSet>

Overrides:

format in class AbstractSPARQLJSONWriter<BindingSet>

Returns:

the format