if (sdbsapi == null) {
JDBC.loadDriverSAP();
SDBConnection sdb = SDBFactory.createConnection(
"jdbc:sap://localhost/test2-index", "user", "password");
StoreDesc desc = new StoreDesc(LayoutType.LayoutTripleNodesIndex, DatabaseType.SAP) ;
sdbsapi = new StoreTriplesNodesIndexSAP(sdb, desc);
sdbsapi.getTableFormatter().create() ;
}
else
sdbsapi.getTableFormatter().truncate();