protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.Fault == null)
{
throw new InvalidOperationException(SR.GetString(CultureInfo.CurrentCulture, "Error_PropertyNotSet", new object[] { FaultProperty.Name }));
}
WorkflowQueuingService service = executionContext.GetService <WorkflowQueuingService>();
base.RaiseEvent(SendingFaultEvent, this, EventArgs.Empty);
WebServiceInputActivity activityByName = base.GetActivityByName(this.InputActivityName) as WebServiceInputActivity;
IComparable queueName = new EventQueueName(activityByName.InterfaceType, activityByName.MethodName, activityByName.QualifiedName);
IMethodResponseMessage message = null;
WorkflowQueue workflowQueue = service.GetWorkflowQueue(queueName);
if (workflowQueue.Count != 0)
{
message = workflowQueue.Dequeue() as IMethodResponseMessage;
}
message.SendException(this.Fault);
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
if (this.Fault == null)
{
throw new InvalidOperationException(SR.GetString(CultureInfo.CurrentCulture, SR.Error_PropertyNotSet, FaultProperty.Name));
}
WorkflowQueuingService queueService = executionContext.GetService <WorkflowQueuingService>();
// fire event
this.RaiseEvent(WebServiceFaultActivity.SendingFaultEvent, this, EventArgs.Empty);
WebServiceInputActivity webservicereceive = this.GetActivityByName(this.InputActivityName) as WebServiceInputActivity;
IComparable queueId = new EventQueueName(webservicereceive.InterfaceType, webservicereceive.MethodName, webservicereceive.QualifiedName);
Debug.Assert(queueService.Exists(queueId));
IMethodResponseMessage responseMessage = null;
WorkflowQueue queue = queueService.GetWorkflowQueue(queueId);
if (queue.Count != 0)
{
responseMessage = queue.Dequeue() as IMethodResponseMessage;
}
System.Diagnostics.Debug.Assert(responseMessage != null);
// populate exception & reset the waiting thread
responseMessage.SendException(this.Fault);
return(ActivityExecutionStatus.Closed);
}
protected Object[] Invoke(Type interfaceType, String methodName, bool isActivation, Object[] parameters)
{
Guid workflowInstanceId = GetWorkflowInstanceId(ref isActivation);
WorkflowInstance wfInstance;
EventQueueName key = new EventQueueName(interfaceType, methodName);
MethodInfo mInfo = interfaceType.GetMethod(methodName);
bool responseRequired = (mInfo.ReturnType != typeof(void));
if (!responseRequired)
{
foreach (ParameterInfo parameter in mInfo.GetParameters())
{
if (parameter.ParameterType.IsByRef || parameter.IsOut)
{
responseRequired = true;
break;
}
}
}
MethodMessage methodMessage = PrepareMessage(interfaceType, methodName, parameters, responseRequired);
EventHandler <WorkflowTerminatedEventArgs> workflowTerminationHandler = null;
EventHandler <WorkflowCompletedEventArgs> workflowCompletedHandler = null;
try
{
if (isActivation)
{
wfInstance = WorkflowRuntime.CreateWorkflow(this.workflowType, null, workflowInstanceId);
SafeEnqueueItem(wfInstance, key, methodMessage);
wfInstance.Start();
}
else
{
wfInstance = WorkflowRuntime.GetWorkflow(workflowInstanceId);
SafeEnqueueItem(wfInstance, key, methodMessage);
}
bool workflowTerminated = false;
//Handler for workflow termination in b/w outstanding req-response.
workflowTerminationHandler = delegate(Object sender, WorkflowTerminatedEventArgs e)
{
if (e.WorkflowInstance.InstanceId.Equals(workflowInstanceId))
{
methodMessage.SendException(e.Exception);
workflowTerminated = true;
}
};
workflowCompletedHandler = delegate(Object sender, WorkflowCompletedEventArgs e)
{
if (e.WorkflowInstance.InstanceId.Equals(workflowInstanceId))
{
methodMessage.SendException(new ApplicationException(SR.GetString(System.Globalization.CultureInfo.CurrentCulture, SR.Error_WorkflowCompleted)));
}
};
WorkflowRuntime.WorkflowTerminated += workflowTerminationHandler;
WorkflowRuntime.WorkflowCompleted += workflowCompletedHandler;
ManualWorkflowSchedulerService scheduler = WorkflowRuntime.GetService <ManualWorkflowSchedulerService>();
if (scheduler != null)
{
scheduler.RunWorkflow(wfInstance.InstanceId);
}
if (!responseRequired)
{
// no ret, out or ref
return(new Object[] { });
}
IMethodResponseMessage response = methodMessage.WaitForResponseMessage();
if (response.Exception != null)
{
if (!workflowTerminated)
{
throw response.Exception;
}
else
{
throw new ApplicationException(SR.GetString(System.Globalization.CultureInfo.CurrentCulture, SR.Error_WorkflowTerminated), response.Exception);
}
}
if (response.OutArgs != null)
{
return(((ArrayList)response.OutArgs).ToArray());
}
else
{
return new Object[] { }
};
}
finally
{
if (workflowTerminationHandler != null)
{
WorkflowRuntime.WorkflowTerminated -= workflowTerminationHandler;
}
if (workflowCompletedHandler != null)
{
WorkflowRuntime.WorkflowCompleted -= workflowCompletedHandler;
}
}
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
WorkflowQueuingService queueService = executionContext.GetService <WorkflowQueuingService>();
// fire event
this.RaiseEvent(WebServiceOutputActivity.SendingOutputEvent, this, EventArgs.Empty);
WebServiceInputActivity webservicereceive = this.GetActivityByName(this.InputActivityName) as WebServiceInputActivity;
if (webservicereceive == null)
{
Activity parent = this.Parent;
while (parent != null)
{
//typically if defined inside a custom activity
string qualifiedName = parent.QualifiedName + "." + this.InputActivityName;
webservicereceive = this.GetActivityByName(qualifiedName) as WebServiceInputActivity;
if (webservicereceive != null)
{
break;
}
parent = this.Parent;
}
}
if (webservicereceive == null)
{
throw new InvalidOperationException(SR.GetString(SR.Error_CannotResolveWebServiceInput, this.QualifiedName, this.InputActivityName));
}
IComparable queueId = new EventQueueName(webservicereceive.InterfaceType, webservicereceive.MethodName, webservicereceive.QualifiedName);
MethodInfo mInfo = webservicereceive.InterfaceType.GetMethod(webservicereceive.MethodName);
if (!queueService.Exists(queueId))
{
// determine if no response is required,
// compiler did not catch it, do the runtime check and return
if (mInfo.ReturnType == typeof(void))
{
return(ActivityExecutionStatus.Closed);
}
bool isresponseRequired = false;
foreach (ParameterInfo formalParameter in mInfo.GetParameters())
{
if (formalParameter.ParameterType.IsByRef || (formalParameter.IsIn && formalParameter.IsOut))
{
isresponseRequired = true;
}
}
if (isresponseRequired)
{
return(ActivityExecutionStatus.Closed);
}
}
if (!queueService.Exists(queueId))
{
throw new InvalidOperationException(SR.GetString(SR.Error_WebServiceInputNotProcessed, webservicereceive.QualifiedName));
}
IMethodResponseMessage responseMessage = null;
WorkflowQueue queue = queueService.GetWorkflowQueue(queueId);
if (queue.Count != 0)
{
responseMessage = queue.Dequeue() as IMethodResponseMessage;
}
IMethodMessage message = responseMessage as IMethodMessage;
WorkflowParameterBindingCollection parameterBindings = this.ParameterBindings;
ArrayList outArgs = new ArrayList();
// populate result
if (this.ParameterBindings.Contains("(ReturnValue)"))
{
WorkflowParameterBinding retBind = this.ParameterBindings["(ReturnValue)"];
if (retBind != null)
{
outArgs.Add(retBind.Value);
}
}
foreach (ParameterInfo formalParameter in mInfo.GetParameters())
{
// update out and byref values
if (formalParameter.ParameterType.IsByRef || (formalParameter.IsIn && formalParameter.IsOut))
{
WorkflowParameterBinding binding = parameterBindings[formalParameter.Name];
outArgs.Add(binding.Value);
}
}
// reset the waiting thread
responseMessage.SendResponse(outArgs);
return(ActivityExecutionStatus.Closed);
}
protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
{
if (executionContext == null)
{
throw new ArgumentNullException("executionContext");
}
WorkflowQueuingService service = executionContext.GetService <WorkflowQueuingService>();
base.RaiseEvent(SendingOutputEvent, this, EventArgs.Empty);
WebServiceInputActivity activityByName = base.GetActivityByName(this.InputActivityName) as WebServiceInputActivity;
if (activityByName == null)
{
for (Activity activity2 = base.Parent; activity2 != null; activity2 = base.Parent)
{
string activityQualifiedName = activity2.QualifiedName + "." + this.InputActivityName;
activityByName = base.GetActivityByName(activityQualifiedName) as WebServiceInputActivity;
if (activityByName != null)
{
break;
}
}
}
if (activityByName == null)
{
throw new InvalidOperationException(SR.GetString("Error_CannotResolveWebServiceInput", new object[] { base.QualifiedName, this.InputActivityName }));
}
IComparable queueName = new EventQueueName(activityByName.InterfaceType, activityByName.MethodName, activityByName.QualifiedName);
MethodInfo method = activityByName.InterfaceType.GetMethod(activityByName.MethodName);
if (!service.Exists(queueName))
{
if (method.ReturnType == typeof(void))
{
return(ActivityExecutionStatus.Closed);
}
bool flag = false;
foreach (ParameterInfo info2 in method.GetParameters())
{
if (info2.ParameterType.IsByRef || (info2.IsIn && info2.IsOut))
{
flag = true;
}
}
if (flag)
{
return(ActivityExecutionStatus.Closed);
}
}
if (!service.Exists(queueName))
{
throw new InvalidOperationException(SR.GetString("Error_WebServiceInputNotProcessed", new object[] { activityByName.QualifiedName }));
}
IMethodResponseMessage message = null;
WorkflowQueue workflowQueue = service.GetWorkflowQueue(queueName);
if (workflowQueue.Count != 0)
{
message = workflowQueue.Dequeue() as IMethodResponseMessage;
}
WorkflowParameterBindingCollection parameterBindings = this.ParameterBindings;
ArrayList outArgs = new ArrayList();
if (this.ParameterBindings.Contains("(ReturnValue)"))
{
WorkflowParameterBinding binding = this.ParameterBindings["(ReturnValue)"];
if (binding != null)
{
outArgs.Add(binding.Value);
}
}
foreach (ParameterInfo info3 in method.GetParameters())
{
if (info3.ParameterType.IsByRef || (info3.IsIn && info3.IsOut))
{
WorkflowParameterBinding binding2 = parameterBindings[info3.Name];
outArgs.Add(binding2.Value);
}
}
message.SendResponse(outArgs);
return(ActivityExecutionStatus.Closed);
}
protected object[] Invoke(Type interfaceType, string methodName, bool isActivation, object[] parameters)
{
EventHandler <WorkflowCompletedEventArgs> handler3 = null;
object[] objArray;
Guid workflowInstanceId = GetWorkflowInstanceId(ref isActivation);
EventQueueName key = new EventQueueName(interfaceType, methodName);
MethodInfo method = interfaceType.GetMethod(methodName);
bool responseRequired = method.ReturnType != typeof(void);
if (!responseRequired)
{
foreach (ParameterInfo info2 in method.GetParameters())
{
if (info2.ParameterType.IsByRef || info2.IsOut)
{
responseRequired = true;
break;
}
}
}
MethodMessage methodMessage = PrepareMessage(interfaceType, methodName, parameters, responseRequired);
EventHandler <WorkflowTerminatedEventArgs> handler = null;
EventHandler <WorkflowCompletedEventArgs> handler2 = null;
try
{
WorkflowInstance workflow;
if (isActivation)
{
workflow = this.WorkflowRuntime.CreateWorkflow(this.workflowType, null, workflowInstanceId);
SafeEnqueueItem(workflow, key, methodMessage);
workflow.Start();
}
else
{
workflow = this.WorkflowRuntime.GetWorkflow(workflowInstanceId);
SafeEnqueueItem(workflow, key, methodMessage);
}
bool workflowTerminated = false;
handler = delegate(object sender, WorkflowTerminatedEventArgs e) {
if (e.WorkflowInstance.InstanceId.Equals(workflowInstanceId))
{
methodMessage.SendException(e.Exception);
workflowTerminated = true;
}
};
if (handler3 == null)
{
handler3 = delegate(object sender, WorkflowCompletedEventArgs e) {
if (e.WorkflowInstance.InstanceId.Equals(workflowInstanceId))
{
methodMessage.SendException(new ApplicationException(SR.GetString(CultureInfo.CurrentCulture, "Error_WorkflowCompleted")));
}
};
}
handler2 = handler3;
this.WorkflowRuntime.WorkflowTerminated += handler;
this.WorkflowRuntime.WorkflowCompleted += handler2;
ManualWorkflowSchedulerService service = this.WorkflowRuntime.GetService <ManualWorkflowSchedulerService>();
if (service != null)
{
service.RunWorkflow(workflow.InstanceId);
}
if (!responseRequired)
{
return(new object[0]);
}
IMethodResponseMessage message = methodMessage.WaitForResponseMessage();
if (message.Exception != null)
{
if (!workflowTerminated)
{
throw message.Exception;
}
throw new ApplicationException(SR.GetString(CultureInfo.CurrentCulture, "Error_WorkflowTerminated"), message.Exception);
}
if (message.OutArgs != null)
{
return(((ArrayList)message.OutArgs).ToArray());
}
objArray = new object[0];
}
finally
{
if (handler != null)
{
this.WorkflowRuntime.WorkflowTerminated -= handler;
}
if (handler2 != null)
{
this.WorkflowRuntime.WorkflowCompleted -= handler2;
}
}
return(objArray);
}
