/// <summary>
/// Creates a new browser object with a set of filters.
/// </summary>
public Browser(
ISystemContext context,
ViewDescription view,
NodeId referenceType,
bool includeSubtypes,
BrowseDirection browseDirection,
QualifiedName browseName,
IEnumerable<IReference> additionalReferences,
bool internalOnly,
Opc.Ua.Client.Session client,
NamespaceMapper mapper,
NodeState source,
NodeId rootId)
:
base(
context,
view,
referenceType,
includeSubtypes,
browseDirection,
browseName,
additionalReferences,
internalOnly)
{
m_client = client;
m_mapper = mapper;
m_source = source;
m_rootId = rootId;
m_stage = Stage.Begin;
}
/// <summary>
/// Creates a new browser object with a set of filters.
/// </summary>
public Browser(
ISystemContext context,
ViewDescription view,
NodeId referenceType,
bool includeSubtypes,
BrowseDirection browseDirection,
QualifiedName browseName,
IEnumerable <IReference> additionalReferences,
bool internalOnly,
Opc.Ua.Client.Session client,
NamespaceMapper mapper,
NodeState source,
NodeId rootId)
:
base(
context,
view,
referenceType,
includeSubtypes,
browseDirection,
browseName,
additionalReferences,
internalOnly)
{
m_client = client;
m_mapper = mapper;
m_source = source;
m_rootId = rootId;
m_stage = Stage.Begin;
}
/// <summary>
/// Fetches the event type information from the AE server.
/// </summary>
public void LoadTypes(Opc.Ua.Client.Session client, IServerInternal server, NamespaceMapper mapper)
{
TypeNodes = new NodeIdDictionary<ReferenceDescription>();
LoadTypes(client, server, mapper, Opc.Ua.ObjectTypeIds.BaseObjectType);
LoadTypes(client, server, mapper, Opc.Ua.VariableTypeIds.BaseVariableType);
LoadTypes(client, server, mapper, Opc.Ua.DataTypeIds.BaseDataType);
LoadTypes(client, server, mapper, Opc.Ua.ReferenceTypeIds.References);
}
/// <summary>
/// Fetches the event type information from the AE server.
/// </summary>
public void LoadTypes(Opc.Ua.Client.Session client, IServerInternal server, NamespaceMapper mapper)
{
TypeNodes = new NodeIdDictionary <ReferenceDescription>();
LoadTypes(client, server, mapper, Opc.Ua.ObjectTypeIds.BaseObjectType);
LoadTypes(client, server, mapper, Opc.Ua.VariableTypeIds.BaseVariableType);
LoadTypes(client, server, mapper, Opc.Ua.DataTypeIds.BaseDataType);
LoadTypes(client, server, mapper, Opc.Ua.ReferenceTypeIds.References);
}
/// <summary>
/// Initializes the node manager.
/// </summary>
public AggregationNodeManager(IServerInternal server, ApplicationConfiguration configuration, ConfiguredEndpoint endpoint, bool ownsTypeModel)
:
base(server, configuration, Namespaces.Aggregation, AggregationModel.Namespaces.Aggregation)
{
SystemContext.NodeIdFactory = this;
m_configuration = configuration;
m_endpoint = endpoint;
m_ownsTypeModel = ownsTypeModel;
m_clients = new Dictionary<NodeId, Opc.Ua.Client.Session>();
m_mapper = new NamespaceMapper();
}
/// <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);
}
}