/// <summary>
/// Does any initialization required before the address space can be used.
/// </summary>
/// <remarks>
/// The externalReferences is an out parameter that allows the node manager to link to nodes
/// in other node managers. For example, the 'Objects' node is managed by the CoreNodeManager and
/// should have a reference to the root folder node(s) exposed by this node manager.
/// </remarks>
public override void CreateAddressSpace(IDictionary <NodeId, IList <IReference> > externalReferences)
{
lock (Lock)
{
// ensure the namespace used by the node manager is in the server's namespace table.
m_typeNamespaceIndex = Server.NamespaceUris.GetIndexOrAppend(Namespaces.TestData);
m_namespaceIndex = Server.NamespaceUris.GetIndexOrAppend(Namespaces.TestData + "/Instance");
base.CreateAddressSpace(externalReferences);
// start monitoring the system status.
m_systemStatusCondition = (TestSystemConditionState)FindPredefinedNode(
new NodeId(Objects.Data_Conditions_SystemStatus, m_typeNamespaceIndex),
typeof(TestSystemConditionState));
if (m_systemStatusCondition != null)
{
m_systemStatusTimer = new Timer(OnCheckSystemStatus, null, 5000, 5000);
m_systemStatusCondition.Retain.Value = true;
}
// link all conditions to the conditions folder.
NodeState conditionsFolder = (NodeState)FindPredefinedNode(
new NodeId(Objects.Data_Conditions, m_typeNamespaceIndex),
typeof(NodeState));
foreach (NodeState node in PredefinedNodes.Values)
{
ConditionState condition = node as ConditionState;
if (condition != null && !Object.ReferenceEquals(condition.Parent, conditionsFolder))
{
condition.AddNotifier(SystemContext, null, true, conditionsFolder);
conditionsFolder.AddNotifier(SystemContext, null, false, condition);
}
}
// enable history for all numeric scalar values.
ScalarValueObjectState scalarValues = (ScalarValueObjectState)FindPredefinedNode(
new NodeId(Objects.Data_Dynamic_Scalar, m_typeNamespaceIndex),
typeof(ScalarValueObjectState));
scalarValues.Int32Value.Historizing = true;
scalarValues.Int32Value.AccessLevel = (byte)(scalarValues.Int32Value.AccessLevel | AccessLevels.HistoryRead);
m_system.EnableHistoryArchiving(scalarValues.Int32Value);
}
}