internal protected override OperationParameterInfoCollection GetParameters(IServiceProvider provider)
{
OperationParameterInfoCollection parameters = new OperationParameterInfoCollection();
MethodInfo methodInfo = this.GetMethodInfo(provider);
if (methodInfo != null)
{
foreach (ParameterInfo parameter in methodInfo.GetParameters())
{
if (parameters[parameter.Name] == null)
{
parameters.Add(new OperationParameterInfo(parameter));
}
}
if (methodInfo.ReturnParameter != null && methodInfo.ReturnParameter.ParameterType != typeof(void))
{
if (parameters["(ReturnValue)"] == null)
{
OperationParameterInfo parameterInfo = new OperationParameterInfo(methodInfo.ReturnParameter);
parameterInfo.Name = "(ReturnValue)";
parameters.Add(parameterInfo);
}
}
}
return(parameters);
}
protected override void InitializeProperties()
{
TypedOperationInfo serviceOperationInfo = this.ServiceOperationInfo;
if (serviceOperationInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(SR2.GetString(SR2.Error_ServiceOperationInfoNotSpecified, this.Name)));
}
OperationParameterInfoCollection parameters = null;
Activity definitionRoot = base.RootActivity.GetValue(Activity.WorkflowDefinitionProperty) as Activity;
if (definitionRoot != null)
{
SendActivity definition = definitionRoot.GetActivityByName(this.QualifiedName, true) as SendActivity;
if ((definition != null) && definition.UserData.Contains(typeof(OperationParameterInfoCollection)))
{
parameters = definition.UserData[typeof(OperationParameterInfoCollection)] as OperationParameterInfoCollection;
}
}
if (parameters == null)
{
parameters = serviceOperationInfo.GetParameters(this.Site);
this.UserData[typeof(OperationParameterInfoCollection)] = parameters;
}
WorkflowParameterBindingCollection parameterBindings = this.ParameterBindings;
foreach (OperationParameterInfo parameterInfo in parameters)
{
if (!parameterBindings.Contains(parameterInfo.Name))
{
parameterBindings.Add(new WorkflowParameterBinding(parameterInfo.Name));
}
}
base.InitializeProperties();
}