org.openrdf.jena
Class QueryExecutionSesame

java.lang.Object
  org.openrdf.jena.QueryExecutionSesame

All Implemented Interfaces:

com.hp.hpl.jena.query.QueryExecution

public class QueryExecutionSesame
extends Object
implements com.hp.hpl.jena.query.QueryExecution

Run ARQ SPARQL queries on a Sesame Repository

Author:

Daniel Burkhart, grimnes

Field Summary

private Logger	logger
(package private) Model	model
protected String	query
(package private) static int	queryCount
(package private) boolean	queryInitialised
private QueryLanguage	querylanguage
protected Repository	rep

Constructor Summary

QueryExecutionSesame(String q, Repository r, QueryLanguage ql)

Method Summary

void	abort()
void	close()
private com.hp.hpl.jena.query.ResultSet	createResultSet(TupleQuery sesameQuery, CloseableIterator<List<Value>> iter) creates a ResultSet for a query q and RValueTupleIterator
private List<String>	createResultsVars(com.hp.hpl.jena.query.Query q) reads out the variable Names from a query.
boolean	execAsk()
Model	execConstruct()
Model	execDescribe()
com.hp.hpl.jena.query.ResultSet	execSelect()
com.hp.hpl.jena.query.util.Context	getContext()
void	setFileManager(FileManager arg0)
void	setInitialBinding(com.hp.hpl.jena.query.QuerySolution arg0)

Methods inherited from class java.lang.Object

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

Field Detail

model

Model model

logger

private Logger logger

query

protected String query

rep

protected Repository rep

queryCount

static int queryCount

queryInitialised

boolean queryInitialised

querylanguage

private QueryLanguage querylanguage

Constructor Detail

QueryExecutionSesame

public QueryExecutionSesame(String q,
                            Repository r,
                            QueryLanguage ql)

Method Detail

setFileManager

public void setFileManager(FileManager arg0)

Specified by:

setFileManager in interface com.hp.hpl.jena.query.QueryExecution

setInitialBinding

public void setInitialBinding(com.hp.hpl.jena.query.QuerySolution arg0)

Specified by:

setInitialBinding in interface com.hp.hpl.jena.query.QueryExecution

getContext

public com.hp.hpl.jena.query.util.Context getContext()

Specified by:

getContext in interface com.hp.hpl.jena.query.QueryExecution

execSelect

public com.hp.hpl.jena.query.ResultSet execSelect()

Specified by:

execSelect in interface com.hp.hpl.jena.query.QueryExecution

createResultSet

private com.hp.hpl.jena.query.ResultSet createResultSet(TupleQuery sesameQuery,
                                                        CloseableIterator<List<Value>> iter)
                                                 throws MalformedQueryException

creates a ResultSet for a query q and RValueTupleIterator

Parameters:

sesameQuery -

iter -

Returns:

a resultset for the query q

Throws:

MalformedQueryException

createResultsVars

private List<String> createResultsVars(com.hp.hpl.jena.query.Query q)

reads out the variable Names from a query. If a "*" was used after SELECT/DESCRIBE/CONSTRUCT, the query has to be parsed

Parameters:

q -

Returns:

a list of variable names

execConstruct

public Model execConstruct()

Specified by:

execConstruct in interface com.hp.hpl.jena.query.QueryExecution

execDescribe

public Model execDescribe()

Specified by:

execDescribe in interface com.hp.hpl.jena.query.QueryExecution

execAsk

public boolean execAsk()

Specified by:

execAsk in interface com.hp.hpl.jena.query.QueryExecution

abort

public void abort()

Specified by:

abort in interface com.hp.hpl.jena.query.QueryExecution

close

public void close()

Specified by:

close in interface com.hp.hpl.jena.query.QueryExecution