org.openrdf.query.resultio.sparqljson
Class SPARQLResultsJSONWriter

java.lang.Object
  org.openrdf.query.resultio.sparqljson.SPARQLResultsJSONWriter

All Implemented Interfaces:

TupleQueryResultWriter, TupleQueryResultHandler

public class SPARQLResultsJSONWriter
extends Object
implements TupleQueryResultWriter

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

Constructor Summary

SPARQLResultsJSONWriter(OutputStream out)

Method Summary

void	endQueryResult() Indicates the end of a sequence of solutions.
TupleQueryResultFormat	getTupleQueryResultFormat() Gets the query result format that this writer uses.
void	handleSolution(BindingSet bindingSet) Handles a solution.
void	startQueryResult(List<String> columnHeaders) Indicates the start of a sequence of Solutions.

Methods inherited from class java.lang.Object

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

Constructor Detail

SPARQLResultsJSONWriter

public SPARQLResultsJSONWriter(OutputStream out)

Method Detail

getTupleQueryResultFormat

public final TupleQueryResultFormat getTupleQueryResultFormat()

Description copied from interface: TupleQueryResultWriter

Gets the query result format that this writer uses.

Specified by:

getTupleQueryResultFormat in interface TupleQueryResultWriter

startQueryResult

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

Description copied from interface: TupleQueryResultHandler

Indicates the start of a sequence of Solutions. The supplied bindingNames are an indication of the values that are in the Solutions. For example, a SeRQL query like select X, Y from {X} P {Y} will have binding names X and Y.

Specified by:

startQueryResult in interface TupleQueryResultHandler

Parameters:

columnHeaders - An ordered set of binding names.

Throws:

TupleQueryResultHandlerException

endQueryResult

public void endQueryResult()
                    throws TupleQueryResultHandlerException

Description copied from interface: TupleQueryResultHandler

Indicates the end of a sequence of solutions.

Specified by:

endQueryResult in interface TupleQueryResultHandler

Throws:

TupleQueryResultHandlerException

handleSolution

public void handleSolution(BindingSet bindingSet)
                    throws TupleQueryResultHandlerException

Description copied from interface: TupleQueryResultHandler

Handles a solution.

Specified by:

handleSolution in interface TupleQueryResultHandler

Throws:

TupleQueryResultHandlerException