public static SADIRegistry Instance()
{
if (instance == null)
{
instance = new SADIRegistry("http://biordf.net/sparql", "http://sadiframework.org/registry/");
}
return(instance);
}
private void FindServicesWorker_DoWork(object sender, DoWorkEventArgs e)
{
List <String> types = new List <String>();
foreach (IResource node in SelectedNodes)
{
if (node is IEntity)
{
if (!KE.HasType(node))
{
Uri uri = (node as IEntity).Uri;
if (!ReportProgressIfNotCancelled(0, String.Format("Resolving {0}...", uri)))
{
return;
}
try
{
SADIHelper.debug("ServiceSelection", "resolving URI", node);
if (FindServicesWorker.CancellationPending)
{
return;
}
KE.Import(SemWebHelper.resolveURI(uri));
}
catch (Exception err)
{
SADIHelper.error("ServiceSelection", "error resolving URI", node, err);
}
try
{
SADIHelper.debug("ServiceSelection", "resolving against SADI resolver", node);
if (FindServicesWorker.CancellationPending)
{
return;
}
KE.Import(SADIHelper.resolve(uri));
}
catch (Exception err)
{
SADIHelper.error("ServiceSelection", "error resolving against SADI resolver", node, err);
}
}
foreach (IEntity type in KE.GetTypes(node as IEntity))
{
types.Add(type.Uri.ToString());
}
}
}
// find services by exact input class; quick, but misses a lot...
if (!ReportProgressIfNotCancelled(0, "Finding services by direct type..."))
{
return;
}
ICollection <SADIService> services = SADIRegistry.Instance().findServicesByInputClass(types);
int i = 0;
int n = services.Count;
foreach (SADIService service in services)
{
SADIRegistry.Instance().addPropertyRestrictions(service);
if (!ReportProgressIfNotCancelled((++i * 100) / n, service))
{
return;
}
}
// reset progress bar
if (!ReportProgressIfNotCancelled(0, "Finding services by input instance query..."))
{
return;
}
// find service by input instance SPARQL query; slow, but is complete modulo reasoning...
i = 0;
n = SADIRegistry.Instance().getServiceCount();
do
{
if (!ReportProgressIfNotCancelled((i * 100) / n, String.Format("Finding services by input instance query {0}-{1}/{2}",
i, Math.Min(i + SERVICES_PER_QUERY, n), n)))
{
return;
}
services = SADIRegistry.Instance().getAllServices(i, SERVICES_PER_QUERY);
foreach (SADIService service in services)
{
//SADIHelper.debug("ServiceDiscoveryDialog", String.Format("checking {0}", service.uri), null);
Object rv = null;
try
{
if (checkForInputInstances(service, SelectedNodes))
{
SADIRegistry.Instance().addPropertyRestrictions(service);
rv = service;
}
else
{
rv = String.Format("No match to {0}", service.uri);
}
}
catch (Exception ex)
{
//rv = ex;
rv = String.Format("Error executing input instance query for {0}: {1}", service.uri, ex.Message);
}
if (!ReportProgressIfNotCancelled((++i * 100) / n, rv))
{
return;
}
}
} while (services.Count == SERVICES_PER_QUERY);
}