public VirtGraph(String _graphName, ConnectionPoolDataSource _ds)
{
super();
if (_ds instanceof VirtuosoConnectionPoolDataSource) {
VirtuosoDataSource vds = (VirtuosoDataSource)_ds;
this.url_hostlist = vds.getServerName();
this.graphName = _graphName;
this.user = vds.getUser();
this.password = vds.getPassword();
}
if (this.graphName == null)
this.graphName = DEFAULT;