public SimulationGraph(StorageLocation location, DateTime closeOfBusinessDate)
{
Context = new Context(location, closeOfBusinessDate);
var rootNodeKey = new ModelKey("Root", typeof(DummyModel));
var rootNode = new SimulationNode(rootNodeKey);
rootNode.Model = Model.Create <DummyModel>("Root", null);
_nodes[rootNodeKey] = rootNode;
_nodeStack.Push(rootNode);
}
public T RegisterModel <T>(string identifier) where T : Model
{
var modelKey = new ModelKey(identifier, typeof(T));
SimulationNode node;
if (!_nodes.TryGetValue(modelKey, out node))
{
var model = _factory.CreateModel(typeof(T), identifier, this) as T;
node = AddModelToGraph(modelKey, model);
}
_nodeStack.Peek().AddRequisite(node);
return((T)node.Model);
}
private SimulationNode AddModelToGraph(ModelKey key, Model model)
{
var node = new SimulationNode(key)
{
Model = model
};
_nodes[key] = node;
_nodeStack.Push(node);
// add children here
model.Initialise(this);
_nodeStack.Pop();
return(node);
}
private T GetModel <T>(Type modelType, string identifier, Simulation simulation) where T : class
{
var key = new ModelKey(identifier, modelType);
Model model = null;
if (!_models.TryGetValue(key, out model))
{
try
{
model = Activator.CreateInstance(modelType, new object[] { identifier, simulation }) as Model;
}
catch (Exception)
{
throw new Exception("Model constructor not available");
}
}
return(model as T);
}
public T RegisterFactor <T>(string identifier) where T : Factor
{
// if the factor already exists, then return it
var factorKey = new FactorKey(identifier, typeof(T));
SimulationNode node;
ModelKey modelKey;
if (!_modelLookup.TryGetValue(factorKey, out modelKey))
{
// otherwise create. Note that creating the factor always creates the corresponding model
var factor = _factory.CreateFactor(typeof(T), identifier, this) as T;
var model = factor.Model;
modelKey = new ModelKey(identifier, model.GetType());
node = AddModelToGraph(modelKey, model);
node.Factor = factor;
_modelLookup[factorKey] = modelKey;
}
else
{
node = _nodes[modelKey];
}
_nodeStack.Peek().AddRequisite(node);
return((T)node.Factor);
}
public SimulationNode(ModelKey key)
{
this.Key = key;
}
public SimulationNode(ModelKey key)
{
this.Key = key;
}