/// <summary>
/// Creates a new instance of the node.
/// </summary>
public static MethodSource Construct(
IServerInternal server,
NodeSource parent,
NodeId referenceTypeId,
NodeId nodeId,
QualifiedName browseName,
uint numericId)
{
MethodSource instance = new MethodSource(server, parent);
instance.Initialize(referenceTypeId, nodeId, browseName, numericId, null);
return instance;
}
/// <summary>
/// Called to process a transition that was found in the machine.
/// </summary>
protected virtual void AddTransition(ILocalNode source)
{
Transition transition = new Transition(source);
// save the transition.
m_transitions.Add(transition);
// add the from state.
ILocalNode fromState = NodeManager.GetTargetNode(source.NodeId, ReferenceTypes.FromState, false, true, null);
if (fromState != null)
{
transition.FromState = m_states[fromState.BrowseName];
}
// add the to state.
ILocalNode toState = NodeManager.GetTargetNode(source.NodeId, ReferenceTypes.ToState, false, true, null);
if (fromState != null)
{
transition.ToState = m_states[toState.BrowseName];
}
// find all causes.
foreach (ILocalNode cause in NodeManager.GetLocalNodes(source.NodeId, ReferenceTypes.HasCause, false, true))
{
MethodSource method = null;
if (m_causes.TryGetValue(cause.BrowseName, out method))
{
transition.Causes.Add(method);
}
}
// find all effects.
foreach (ILocalNode effect in NodeManager.GetLocalNodes(source.NodeId, ReferenceTypes.HasEffect, false, true))
{
transition.Effects.Add(effect.NodeId);
}
}
/// <summary>
/// Contructs the machine by reading the address space.
/// </summary>
protected void ConstructMachine(object configuration)
{
m_causes = new Dictionary <QualifiedName, MethodSource>();
m_substateMachines = new List <StateMachine>();
foreach (ILocalNode source in NodeManager.GetLocalNodes(this.NodeId, ReferenceTypeIds.HasComponent, false, true))
{
StateMachine substate = source as StateMachine;
if (substate != null)
{
// substate machines always report events to their parent.
substate.ReportEventsToParent = true;
m_substateMachines.Add(substate);
continue;
}
MethodSource cause = source as MethodSource;
if (cause != null)
{
m_causes.Add(cause.BrowseName, cause);
continue;
}
}
ConstructMachineFromType(this.TypeDefinitionId);
// get the parent state.
ILocalNode parentState = NodeManager.GetTargetNode(this.NodeId, ReferenceTypes.HasSubStateMachine, false, true, null);
if (parentState != null)
{
m_parentState = parentState.BrowseName;
}
GotoInitialState();
}
/// <summary cref="NodeSource.Clone(NodeSource)" />
public override NodeSource Clone(NodeSource parent)
{
lock (DataLock)
{
MethodSource clone = new MethodSource(Server, parent);
clone.Initialize(this);
return clone;
}
}