/// <summary>
/// Fetches the event categories for the specified event type.
/// </summary>
private void LoadTypes(Opc.Ua.Client.Session client, IServerInternal server, NamespaceMapper mapper, NodeId parentId)
{
List <ReferenceDescription> references = null;
// find references to subtypes.
try
{
references = BrowseSubTypes(client, parentId);
}
catch (Exception e)
{
Utils.Trace("Could not browse subtypes of {0}. {1}", parentId, e.Message);
return;
}
for (int ii = 0; ii < references.Count; ii++)
{
ReferenceDescription reference = references[ii];
// ignore absolute references.
if (reference.NodeId == null || reference.NodeId.IsAbsolute)
{
continue;
}
// recursively browse until a non-UA node is found.
if (reference.NodeId.NamespaceIndex == 0)
{
LoadTypes(client, server, mapper, (NodeId)reference.NodeId);
continue;
}
// map the node id and browse name to local indexes.
NodeId targetId = mapper.ToLocalId((NodeId)reference.NodeId);
reference.NodeId = targetId;
reference.BrowseName = mapper.ToLocalName(reference.BrowseName);
// add non-UA node to the table.
TypeNodes[targetId] = reference;
server.TypeTree.AddSubtype(targetId, parentId);
}
}
/// <summary>
/// Fetches the event categories for the specified event type.
/// </summary>
private void LoadTypes(Opc.Ua.Client.Session client, IServerInternal server, NamespaceMapper mapper, NodeId parentId)
{
List<ReferenceDescription> references = null;
// find references to subtypes.
try
{
references = BrowseSubTypes(client, parentId);
}
catch (Exception e)
{
Utils.Trace("Could not browse subtypes of {0}. {1}", parentId, e.Message);
return;
}
for (int ii = 0; ii < references.Count; ii++)
{
ReferenceDescription reference = references[ii];
// ignore absolute references.
if (reference.NodeId == null || reference.NodeId.IsAbsolute)
{
continue;
}
// recursively browse until a non-UA node is found.
if (reference.NodeId.NamespaceIndex == 0)
{
LoadTypes(client, server, mapper, (NodeId)reference.NodeId);
continue;
}
// map the node id and browse name to local indexes.
NodeId targetId = mapper.ToLocalId((NodeId)reference.NodeId);
reference.NodeId = targetId;
reference.BrowseName = mapper.ToLocalName(reference.BrowseName);
// add non-UA node to the table.
TypeNodes[targetId] = reference;
server.TypeTree.AddSubtype(targetId, parentId);
}
}
