package reports;
import com.hp.hpl.jena.graph.Graph ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.query.Dataset ;
import com.hp.hpl.jena.rdf.model.Model ;
import com.hp.hpl.jena.sparql.sse.SSE ;
import com.hp.hpl.jena.tdb.TDB ;
import com.hp.hpl.jena.tdb.TDBFactory ;

public class ReportContainsNamedGraph
{
    public static void main(String[] args) throws Exception
    {
        Dataset ds = TDBFactory.createDataset();
        Model m1 = ds.getNamedModel("http://example/g1")  ;
        
        Graph g1 = ds.asDatasetGraph().getGraph(Node.createURI("http://example/g1")) ;
        g1.add(SSE.parseTriple("(<x> <p> 1)")) ;
        
        Graph g2 = ds.asDatasetGraph().getGraph(Node.createURI("http://example/g2")) ;
        g2.add(SSE.parseTriple("(<x> <p> 2)")) ;
        Model m2 = ds.getNamedModel("http://example/g2")  ;
        TDB.sync(ds) ;
        
        execContains(ds) ;
    }
 
 
    public static void execContains(Dataset ds) throws Exception
    {       
        System.out.println(ds.containsNamedModel("http://example/g1")) ;
        System.out.println(ds.asDatasetGraph().containsGraph(Node.createURI("http://example/g1"))) ;
        //g1.getBulkUpdateHandler().removeAll() ;
        //g1.delete(SSE.parseTriple("(<x> <p> 1)")) ;
        Model m1 = ds.getNamedModel("http://example/g1")  ;
        m1.removeAll() ;
        
        System.out.println(ds.containsNamedModel("http://example/g1")) ;
        System.out.println(ds.asDatasetGraph().containsGraph(Node.createURI("http://example/g1"))) ;
    }
}