protected sealed override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
object[] parameters;
object data = executionContext.GetService(InterfaceType);
MethodInfo invoke = InterfaceType.GetMethod(MethodName);
ParameterInfo[] pars = invoke.GetParameters();
parameters = new object [pars.Length];
for (int i = 0; i < pars.Length; i++)
{
ParameterBindings.Add(new WorkflowParameterBinding(pars[i].Name));
}
// User may set the ParameterBindings
OnMethodInvoking(new EventArgs());
for (int i = 0; i < pars.Length; i++)
{
parameters[i] = (ParameterBindings [pars[i].Name]).Value;
}
InterfaceType.InvokeMember(MethodName,
BindingFlags.InvokeMethod,
null, data,
parameters);
OnMethodInvoked(new EventArgs());
NeedsExecution = false;
return(ActivityExecutionStatus.Closed);
}
/// <summary>
/// Finds the method information.
/// </summary>
public bool FindMethodInfo()
{
// find public method of the component
MethodInfo = Type.GetMethod(MethodName, GenericArguments, ParamTypes);
if (MethodInfo == null)
{
// find method of the interface
var method = InterfaceType.GetMethod(MethodName, GenericArguments, ParamTypes);
if (method != null && Type.GetInterface(InterfaceType.Name) != null)
{
// get the corresponding method of the component
var map = Type.GetInterfaceMap(InterfaceType);
var index = Array.IndexOf(map.InterfaceMethods, method);
if (index >= 0)
{
MethodInfo = map.TargetMethods[index];
}
}
}
return(MethodInfo != null);
}
private Dictionary <int, MethodInfo> GetGrainMethods()
{
var grainMethods = new Dictionary <int, MethodInfo>();
foreach (var interfaceMethodInfo in GrainInterfaceData.GetMethods(InterfaceType))
{
ParameterInfo[] parameters = interfaceMethodInfo.GetParameters();
var args = new Type[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
{
args[i] = parameters[i].ParameterType;
}
MethodInfo methodInfo = InterfaceType.GetMethod(interfaceMethodInfo.Name, args) ?? interfaceMethodInfo;
if (IsGrainMethod(methodInfo))
{
grainMethods.Add(GrainInterfaceData.ComputeMethodId(methodInfo), methodInfo);
}
}
return(grainMethods);
}