org.openrdf.query.resultio.text.tsv
Class SPARQLResultsTSVWriter

java.lang.Object
  org.openrdf.query.resultio.text.tsv.SPARQLResultsTSVWriter

All Implemented Interfaces:

TupleQueryResultWriter, TupleQueryResultHandler

public class SPARQLResultsTSVWriter
extends Object
implements TupleQueryResultWriter

TupleQueryResultWriter for the SPARQL TSV (Tab-Separated Values) format.

Author:

Jeen Broekstra

See Also:

http://www.w3.org/TR/sparql11-results-csv-tsv/#tsv

Constructor Summary

SPARQLResultsTSVWriter(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> bindingNames) Indicates the start of a sequence of Solutions.
protected void	writeBNode(BNode bNode)
protected void	writeResource(Resource res)
protected void	writeURI(URI uri)
protected void	writeValue(Value val)

Methods inherited from class java.lang.Object

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

Constructor Detail

SPARQLResultsTSVWriter

public SPARQLResultsTSVWriter(OutputStream out)

Parameters:

out -

Method Detail

startQueryResult

public void startQueryResult(List<String> bindingNames)
                      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:

bindingNames - 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

getTupleQueryResultFormat

public TupleQueryResultFormat getTupleQueryResultFormat()

Description copied from interface: TupleQueryResultWriter

Gets the query result format that this writer uses.

Specified by:

getTupleQueryResultFormat in interface TupleQueryResultWriter

writeValue

protected void writeValue(Value val)
                   throws IOException

Throws:

IOException

writeResource

protected void writeResource(Resource res)
                      throws IOException

Throws:

IOException

writeURI

protected void writeURI(URI uri)
                 throws IOException

Throws:

IOException

writeBNode

protected void writeBNode(BNode bNode)
                   throws IOException

Throws:

IOException