public override object GetValue(ConnectorViewModel connector, object context)
{
if (VarName != null && VarName.Length > 0)
{
return(VariableCache.GetValue(VarName));
}
return(null);
}
public override void Execute(object context)
{
if (conIn.IsConnected)
{
object newContext = new object(); // new exuction node, new execution context
Value = conIn.AttachedConnections.Select(connection =>
{
try
{
object tmp = connection.SourceConnector.ParentNode.GetValue(connection.SourceConnector, context);
if (typeof(INodeData).IsAssignableFrom(tmp.GetType()))
{
return((INodeData)tmp);
}
return(null);
}
catch
{
return(null);
}
}).Where(val => val != null).FirstOrDefault();
}
else
{
Value = null;
}
if (Value != null)
{
Value = (INodeData)Value.Clone();
}
if (VarName != null && VarName.Length > 0)
{
VariableCache.SetVariable(VarName, Value);
}
OnPropertyChanged("Note");
}
