//======================================================
// Public methods
//======================================================
/// <summary>
/// Instanciates a new process step from a deserialized description.
/// </summary>
/// <param name="data">The data describing the process step.</param>
/// <returns>The instanciated process step, or null if an error occured.</returns>
public static ProcessStep Instanciate(ProcessStepInstanceData data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
// Check the runtime type for validity
var definition = data?.Definition;
var runtimeType = definition?.RuntimeType;
if (runtimeType == null)
{
return(null);
}
// Try instanciating an instance of the runtime state
ProcessStep step = null;
try
{
step = Activator.CreateInstance(runtimeType) as ProcessStep;
}
catch
{
return(null);
}
// Set the parameters
step.Id = data.Id;
step.Definition = definition;
foreach (var parameterKvp in data.ParameterValues)
{
try
{
Util.SetMemberValue(step, parameterKvp.Key, parameterKvp.Value);
}
catch { }
}
return(step);
}
/// <summary>
/// Instanciates a new transport process which implements the logic described in a deserialized instance description.
/// </summary>
/// <param name="data">The deserialized transport process instance description.</param>
/// <returns>The instanciated transport process, or null if an error occured.</returns>
public static TransportProcess Instanciate(ProcessInstanceData data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
var result = new TransportProcess();
// Construct states
foreach (var stepData in data.Steps)
{
// Construct the state
var step = ProcessStep.Instanciate(stepData);
// Add the step to the automaton
result.Add(step);
}
// Construct edges
foreach (var edgeData in data.Edges)
{
Edge edge = new Edge
{
Source = result.Steps.FirstOrDefault(s => s.Id == edgeData.SourceId),
Destination = result.Steps.FirstOrDefault(s => s.Id == edgeData.DestinationId)
};
edge.SourceExit = edge.Source?.Definition?.Exits.FirstOrDefault(e => e.Name == edgeData.SourceExit);
result.Add(edge);
}
// Set initial state
result.InitialState = result.Steps.FirstOrDefault(s => s.Id == data.InitialStateId);
return(result);
}