internal void GetParameterPropertyDescriptors(IDictionary properties)
{
if (properties == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("properties");
}
if (((IComponent)this).Site == null)
{
return;
}
TypedOperationInfo serviceOperationInfo = this.ServiceOperationInfo;
if (serviceOperationInfo != null)
{
MethodInfo methodInfo = serviceOperationInfo.GetMethodInfo(((IComponent)this).Site);
if (methodInfo != null)
{
ArrayList paramInfo = new ArrayList(methodInfo.GetParameters());
if (!(methodInfo.ReturnType == typeof(void)))
{
paramInfo.Add(methodInfo.ReturnParameter);
}
foreach (ParameterInfo param in paramInfo)
{
if (param.ParameterType != null)
{
PropertyDescriptor prop =
new ParameterInfoBasedPropertyDescriptor(typeof(ReceiveActivity),
param, true, DesignOnlyAttribute.Yes);
properties[prop.Name] = prop;
}
}
}
}
}
protected internal override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
TypedOperationInfo serviceOperationInfo = this.ServiceOperationInfo;
if (serviceOperationInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(SR2.GetString(SR2.Error_ServiceOperationInfoNotSpecified, this.Name)));
}
MethodInfo methodInfo = serviceOperationInfo.GetMethodInfo(executionContext);
if (methodInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(SR2.GetString(SR2.Error_MethodInfoNotAvailable, this.Name)));
}
ChannelToken channelToken = this.ChannelToken;
LogicalChannel logicalChannel = ChannelToken.Register(this, channelToken, serviceOperationInfo.ContractType);
if (!logicalChannel.Initialized)
{
logicalChannel.Initialize(channelToken.EndpointName, this.CustomAddress);
}
using (ChannelManagerService.ChannelTicket leasedChannel = ChannelManagerService.Take(executionContext, this.WorkflowInstanceId, logicalChannel))
{
using (OperationContextScope scope = new OperationContextScope((IContextChannel)leasedChannel.Channel))
{
EventHandler <SendActivityEventArgs>[] invocationList = this.GetInvocationList <EventHandler <SendActivityEventArgs> >(SendActivity.BeforeSendEvent);
if (invocationList != null && invocationList.Length > 0)
{
base.RaiseGenericEvent(SendActivity.BeforeSendEvent, this, new SendActivityEventArgs(this));
}
SendOperationInfoHelper helper = this.OperationHelper;
WorkflowParameterBindingCollection bindings = this.ParameterBindings;
object[] parameters = helper.GetInputs(this, bindings);
object returnValue = null;
bool isSessionless = ChannelManagerHelpers.IsSessionlessContract(logicalChannel.ContractType);
bool hasContext = (logicalChannel.Context != null && logicalChannel.Context.Count > 0);
bool fatalException = false;
if (!isSessionless && hasContext)
{
ChannelManagerService.ApplyLogicalChannelContext(logicalChannel);
}
try
{
returnValue = this.InvokeOperation(methodInfo, leasedChannel.Channel, parameters);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
fatalException = true;
}
throw;
}
finally
{
if (!fatalException &&
!hasContext && !isSessionless && !helper.IsOneWay)
{
ChannelManagerService.UpdateLogicalChannelContext(logicalChannel);
}
}
helper.PopulateOutputs(this, bindings, parameters, returnValue);
invocationList = this.GetInvocationList <EventHandler <SendActivityEventArgs> >(SendActivity.AfterResponseEvent);
if (invocationList != null && invocationList.Length > 0)
{
base.RaiseGenericEvent(SendActivity.AfterResponseEvent, this, new SendActivityEventArgs(this));
}
}
}
return(ActivityExecutionStatus.Closed);
}