/// <summary>
/// Run the workflow in a synchronous way using the ManualWorkflowSchedulerService
/// </summary>
/// <param name="workflowInstanceId"></param>
private void RunWorkFlow(Guid workflowInstanceId)
{
StateMachineWorkflowInstance stateMachine = new StateMachineWorkflowInstance(_workflowRuntime, workflowInstanceId);
StateActivity oldState = stateMachine.CurrentState;
ManualWorkflowSchedulerService service = _workflowRuntime.GetService <ManualWorkflowSchedulerService>();
service.RunWorkflow(workflowInstanceId);
// Hack : This is not the best way to handle exceptions (sychronously) in Workflows
// Read more about the best practice here - http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=833203&SiteID=1
// And here - http://www.topxml.com/rbnews/Orchestration---Workflow/re-60988_Synchronous-CallWorkflow-sample-revisited.aspx
if (CallContext.GetData("Exception") != null)
{
// This is the compensation activity - that should be ideally defined in the workflow itself
// In our case, the only activity that occurs after External Method Calls for Book, Cancel etc.
// is the state change activity. We just reverse it here.
// Ideally, we can have a fault handler for each event driven activity
// that will set the call context with a "WCFException" and halt the execution of the workflow.
stateMachine.SetState(oldState);
service.RunWorkflow(workflowInstanceId);
Exception exceptionToThrow = (Exception)CallContext.GetData("Exception");
CallContext.SetData("Exception", null);
throw exceptionToThrow;
}
}
/// <summary>
/// 激发事件到一下状态，并获取状态代码
/// </summary>
/// <param name="WfRuntime"></param>
/// <param name="instance"></param>
/// <param name="CurrentStateName"></param>
/// <param name="xml"></param>
/// <returns></returns>
public static string GetNextStateByEvent(WorkflowRuntime WfRuntime, WorkflowInstance instance, string CurrentStateName, string xml)
{
try
{
if (!WfRuntime.IsStarted)
{
WfRuntime.StartRuntime();
}
WfRuntime.WorkflowCompleted += delegate(object sender, WorkflowCompletedEventArgs e)
{
instance = null;
};
StateMachineWorkflowInstance workflowinstance = new StateMachineWorkflowInstance(WfRuntime, instance.InstanceId);
ManualWorkflowSchedulerService scheduleService = WfRuntime.GetService(typeof(ManualWorkflowSchedulerService)) as ManualWorkflowSchedulerService;
scheduleService.RunWorkflow(workflowinstance.InstanceId);
workflowinstance.SetState(CurrentStateName);
FlowDataType.FlowData FlowData = new FlowDataType.FlowData();
FlowData.xml = xml;
scheduleService.RunWorkflow(instance.InstanceId);
WfRuntime.GetService <FlowEvent>().OnDoFlow(instance.InstanceId, FlowData);//激发流程引擎流转到下一状态
scheduleService.RunWorkflow(instance.InstanceId);
//while (true)
//{
// string stateName = workflowinstance.CurrentStateName;
// if (stateName != null && stateName.ToUpper().IndexOf("START") == -1)
// {
// break;
// }
//}
//System.Threading.Thread.Sleep(1000);
if (instance == null)
{
return("EndFlow");
}
StateMachineWorkflowInstance workflowinstance1 = new StateMachineWorkflowInstance(WfRuntime, instance.InstanceId);
return(workflowinstance1.CurrentStateName);
//return GetNextState(WfRuntime, instance, CurrentStateName);
}
catch (Exception ex)
{
LogHelper.WriteLog("GetNextStateByEvent异常信息 ：" + ex.ToString());
throw new Exception(ex.Message);
}
}
public void StartWorkflow(Type workflowType, Dictionary <string, object> inparms, Guid caller, IComparable qn, ActivityExecutionContext context)
{
this.ParentId = caller;
WorkflowRuntime wr = this.Runtime;
CallContext.SetData(CallingWorkflowIDProperty.Name, caller);
CallContext.SetData(CallingWorkflowQueueNameProperty.Name, qn);
//wr.WorkflowCreated += new EventHandler<WorkflowEventArgs>(wr_WorkflowCreated);
WorkflowInstance wi = wr.CreateWorkflow(workflowType, inparms);
// wr.WorkflowCompleted += new EventHandler<WorkflowCompletedEventArgs>(wr_WorkflowCompleted);
_childWorkflows.Add(wi.InstanceId, new ChildData(caller, qn));
//SubWorkflowArgs arg = new SubWorkflowArgs(wi.InstanceId, wi.InstanceId, caller, null);
//this.OnStartSubWorkflow(arg);
wi.Start();
//// Call Workflow Service when the SubWorkflow Started
//WorkflowServices workflowServicde = context.GetService<WorkflowServices>();
SubWorkflowArgs arg = new SubWorkflowArgs(wi.InstanceId, wi.InstanceId, caller, null);
this.OnSubWorkflowInstanceStart(arg);
//////////////////////
ManualWorkflowSchedulerService ss = wr.GetService <ManualWorkflowSchedulerService>();
if (ss != null)
{
ss.RunWorkflow(wi.InstanceId);
}
}
private void btnCreateSequentialWorkflow_Click(object sender, EventArgs e)
{
ConnectionStringSettings connectionStringSettings = cboConnectionString.SelectedItem as ConnectionStringSettings;
if (connectionStringSettings == null)
{
MessageBox.Show("No connection string selected.", "WFTools Samples",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
SampleWorkFlowRuntime workflowRuntime;
if (this.loadedWorkflowRuntimes.ContainsKey(connectionStringSettings.Name))
{
workflowRuntime = this.loadedWorkflowRuntimes[connectionStringSettings.Name];
}
else
{
workflowRuntime = new SampleWorkFlowRuntime(connectionStringSettings);
workflowRuntime.WorkflowTerminated += new EventHandler <WorkflowTerminatedEventArgs>(workflowRuntime_WorkflowTerminated);
workflowRuntime.ServicesExceptionNotHandled += new EventHandler <ServicesExceptionNotHandledEventArgs>(workflowRuntime_ServicesExceptionNotHandled);
this.loadedWorkflowRuntimes.Add(connectionStringSettings.Name, workflowRuntime);
}
// create a new sequential workflow
WorkflowInstance workflowInstance = workflowRuntime.CreateSequentialWorkflow();
workflowInstance.Start();
ManualWorkflowSchedulerService schedulerService = workflowRuntime.GetService <ManualWorkflowSchedulerService>();
schedulerService.RunWorkflow(workflowInstance.InstanceId);
}
public void Echo(string theString)
{
//Aquire the callback from the current OperationContext
callback = OperationContext.Current.GetCallbackChannel <IEchoableCallback>();
//grab the version of the incoming message in case we need to create a fault later
version = OperationContext.Current.IncomingMessageVersion;
Console.WriteLine("WCF: Got {0}", theString);
Dictionary <string, object> parameters = new Dictionary <string, object>();
parameters.Add("ReceivedData", theString);
WorkflowRuntime workflowRuntime = new WorkflowRuntime();
ManualWorkflowSchedulerService scheduler = new ManualWorkflowSchedulerService();
workflowRuntime.AddService(scheduler);
workflowRuntime.StartRuntime();
workflowRuntime.WorkflowCompleted += this.OnWorkflowCompleted;
workflowRuntime.WorkflowTerminated += this.OnWorkflowTerminated;
WorkflowInstance instance = workflowRuntime.CreateWorkflow(typeof(Workflow1), parameters);
instance.Start();
scheduler.RunWorkflow(instance.InstanceId);
}
private void btnCreateSequentialWorkflow_Click(Object sender, EventArgs e)
{
ConnectionStringSettings persistenceConnectionString = cboPersistenceService.SelectedItem as ConnectionStringSettings;
ConnectionStringSettings trackingConnectionString = cboTrackingService.SelectedItem as ConnectionStringSettings;
if (persistenceConnectionString == null)
{
MessageBox.Show("No connection string selected for persistence service.", "WFTools Samples",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
String workflowRuntimeKey = String.Format("{0}_{1}_{2}",
persistenceConnectionString.Name,
trackingConnectionString == null ? "None" : trackingConnectionString.Name,
chkUseLocalTransactions.Checked);
SampleWorkFlowRuntime workflowRuntime;
if (!this.loadedWorkflowRuntimes.TryGetValue(workflowRuntimeKey, out workflowRuntime))
{
workflowRuntime = new SampleWorkFlowRuntime(persistenceConnectionString,
trackingConnectionString, chkUseLocalTransactions.Checked);
workflowRuntime.WorkflowTerminated += workflowRuntime_WorkflowTerminated;
workflowRuntime.ServicesExceptionNotHandled += workflowRuntime_ServicesExceptionNotHandled;
this.loadedWorkflowRuntimes.Add(workflowRuntimeKey, workflowRuntime);
}
// create a new sequential workflow
WorkflowInstance workflowInstance = workflowRuntime.CreateSequentialWorkflow();
if (chkModifyWorkflow.Checked)
{
Activity rootActivity = workflowInstance.GetWorkflowDefinition();
WorkflowChanges workflowChanges = new WorkflowChanges(rootActivity);
// modify the workflow
Activity activityToRemove = workflowChanges.TransientWorkflow.GetActivityByName("codeActivity3");
CompositeActivity parentActivity = activityToRemove.Parent;
parentActivity.Activities.Remove(activityToRemove);
CodeActivity codeActivity = new CodeActivity("TestChangeActivity");
codeActivity.ExecuteCode +=
delegate { Trace.WriteLine("Test Change Activity executed..."); };
parentActivity.Activities.Add(codeActivity);
workflowInstance.ApplyWorkflowChanges(workflowChanges);
}
workflowInstance.Start();
ManualWorkflowSchedulerService schedulerService = workflowRuntime.GetService <ManualWorkflowSchedulerService>();
schedulerService.RunWorkflow(workflowInstance.InstanceId);
}
public string RunCreateNameWorkflow()
{
WorkflowInstance instance = _runtime.CreateWorkflow(typeof(CreateNameWorkflow));
instance.Start();
_scheduler.RunWorkflow(instance.InstanceId);
return(_testingExternalData.MostRecentFullName);
}
/// <summary>
/// Run the workflow with the given instance id on the current thread.
/// </summary>
/// <param name="instanceId"></param>
/// <returns></returns>
private bool RunWorkflow(Guid instanceId)
{
this.SetWorkflowQueueInfo(instanceId, this.ParentWorkflowId);
ManualWorkflowSchedulerService scheduler = GetWorkflowSchedulerService();
this.InitWorkflowEvents();
bool result = scheduler.RunWorkflow(instanceId);
this.DisposeWorkflowEvents();
return(result);
}
static void Main(string[] args)
{
using (WorkflowRuntime workflowRuntime = new WorkflowRuntime())
{
String wfResult = String.Empty;
AutoResetEvent waitHandle = new AutoResetEvent(false);
workflowRuntime.WorkflowCompleted
+= delegate(object sender, WorkflowCompletedEventArgs e)
{
//retrieve the output parameter value
if (e.OutputParameters.ContainsKey("Result"))
{
wfResult = (String)e.OutputParameters["Result"];
waitHandle.Set();
}
};
//add the manual scheduler service prior to
//starting the workflow runtime. Use the constructor
//that allows us to set useActiveTimers to true.
ManualWorkflowSchedulerService scheduler =
new ManualWorkflowSchedulerService(true);
workflowRuntime.AddService(scheduler);
//start the workflow runtime
workflowRuntime.StartRuntime();
//create a dictionary with input arguments
Dictionary <String, Object> wfArguments
= new Dictionary <string, object>();
wfArguments.Add("InputString", "one");
//create the workflow instance
WorkflowInstance instance = workflowRuntime.CreateWorkflow(
typeof(SharedWorkflows.Workflow1), wfArguments);
//indicate that it should execute when we provide a thread
instance.Start();
//run the workflow instance synchronously on our thread
scheduler.RunWorkflow(instance.InstanceId);
//since the workflow contains a DelayActivity, the RunWorkflow
//method will return immediately at the start of the delay.
//use the waitHandle to signal the actual completion of
//the workflow when the DelayActivity completes.
waitHandle.WaitOne(7000, false);
//display the workflow result
Console.WriteLine(wfResult);
Console.WriteLine("Press any key to exit");
Console.ReadLine();
}
}
/// <summary>
/// Runs a <see cref="WorkflowInstance" /> using the <see cref="ManualWorkflowSchedulerService" />
/// with error handling support if available.
/// </summary>
/// <param name="instanceId">
/// Unique identifier of a workflow instance.
/// </param>
/// <returns>
/// <c>true</c> if the workflow is running, <c>false</c> otherwise.
/// </returns>
public Boolean RunWorkflow(Guid instanceId)
{
ManualWorkflowSchedulerService workflowScheduler = GetService <ManualWorkflowSchedulerService>();
if (workflowScheduler == null)
{
// manual scheduler is not present, we do not need to
// manually run the workflow
return(true);
}
Exception workflowException = null;
EventHandler <WorkflowTerminatedEventArgs> terminatedHandler = null;
terminatedHandler =
delegate(object sender, WorkflowTerminatedEventArgs e)
{
if (e.WorkflowInstance.InstanceId == instanceId && e.Exception != null)
{
workflowRuntime.WorkflowTerminated -= terminatedHandler;
workflowException = e.Exception;
}
};
workflowRuntime.WorkflowTerminated += terminatedHandler;
ErrorHandlingService errorHandlingService = GetService <ErrorHandlingService>();
if (errorHandlingService != null)
{
EventHandler <ErrorHandlingEventArgs> errorHandler = null;
errorHandler =
delegate(object sender, ErrorHandlingEventArgs e)
{
if (e.InstanceId == instanceId && e.Exception != null)
{
errorHandlingService.Error -= errorHandler;
workflowException = e.Exception;
}
};
errorHandlingService.Error += errorHandler;
}
Boolean isRunning = workflowScheduler.RunWorkflow(instanceId);
if (workflowException != null)
{
throw workflowException;
}
return(isRunning);
}
public void ExecuteWorkflow(WorkflowRuntime workflowRuntime, Type workflowType, Dictionary <string, object> properties)
{
ManualWorkflowSchedulerService manualScheduler = workflowRuntime.GetService <ManualWorkflowSchedulerService>();
WorkflowInstance instance = workflowRuntime.CreateWorkflow(workflowType, properties);
instance.Start();
var instanceId = instance.InstanceId;
EventHandler <WorkflowCompletedEventArgs> completedHandler = null;
completedHandler = delegate(object o, WorkflowCompletedEventArgs e)
{
if (e.WorkflowInstance.InstanceId == instanceId)
{
// copy the output parameters in the specified properties dictionary
Dictionary <string, object> .Enumerator enumerator = e.OutputParameters.GetEnumerator();
while (enumerator.MoveNext())
{
KeyValuePair <string, object> pair = enumerator.Current;
if (properties.ContainsKey(pair.Key))
{
properties[pair.Key] = pair.Value;
}
}
}
};
Exception x = null;
EventHandler <WorkflowTerminatedEventArgs> terminatedHandler = null;
terminatedHandler = delegate(object o, WorkflowTerminatedEventArgs e)
{
if (e.WorkflowInstance.InstanceId == instanceId)
{
x = e.Exception;
Debug.WriteLine(e.Exception);
}
};
workflowRuntime.WorkflowCompleted += completedHandler;
workflowRuntime.WorkflowTerminated += terminatedHandler;
manualScheduler.RunWorkflow(instance.InstanceId);
workflowRuntime.WorkflowTerminated -= terminatedHandler;
workflowRuntime.WorkflowCompleted -= completedHandler;
if (null != x)
{
throw new WorkflowException(x);
}
}
/// <summary>
/// Runs the workflow.
/// </summary>
/// <param name="instance">The instance.</param>
public static void RunWorkflow(WorkflowInstance instance)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
ManualWorkflowSchedulerService service = WorkflowRuntime.GetService <ManualWorkflowSchedulerService>();
if (service != null)
{
service.RunWorkflow(instance.InstanceId);
}
}
/// <summary>
/// Helper method used to manually execute an workflow instance whilst handling
/// any exceptions that are thrown during execution.
/// </summary>
/// <param name="instanceId">
/// <see cref="Guid" /> representing the workflow instance.
/// </param>
/// <param name="workflowRuntime">
/// A <see cref="WorkflowRuntimeWrapperBase" /> which wraps the real <see cref="WorkflowRuntime" />.
/// </param>
/// <remarks>
/// This method relies on an instance of the <see cref="ManualWorkflowSchedulerService" />
/// as the thrown exception is handled synchrously.
/// </remarks>
public static void ManualRunWithErrorHandling(Guid instanceId, WorkflowRuntime workflowRuntime)
{
ManualWorkflowSchedulerService scheduler = workflowRuntime.GetService <ManualWorkflowSchedulerService>();
if (scheduler == null)
{
throw new ArgumentException("No ManualWorkflowSchedulerService associated with this runtime.", "workflowRuntime");
}
Exception workflowException = null;
EventHandler <WorkflowTerminatedEventArgs> terminatedHandler = null;
terminatedHandler =
delegate(object sender, WorkflowTerminatedEventArgs e)
{
if (e.WorkflowInstance.InstanceId == instanceId && e.Exception != null)
{
workflowRuntime.WorkflowTerminated -= terminatedHandler;
workflowException = e.Exception;
}
};
workflowRuntime.WorkflowTerminated += terminatedHandler;
ErrorHandlingService errorHandlingService = workflowRuntime.GetService <ErrorHandlingService>();
if (errorHandlingService != null)
{
EventHandler <ErrorHandlingEventArgs> errorHandler = null;
errorHandler =
delegate(object sender, ErrorHandlingEventArgs e)
{
if (e.InstanceId == instanceId && e.Exception != null)
{
errorHandlingService.Error -= errorHandler;
workflowException = e.Exception;
}
};
errorHandlingService.Error += errorHandler;
}
scheduler.RunWorkflow(instanceId);
if (workflowException != null)
{
throw workflowException;
}
}
protected void ButtonRunWF_Click(object sender, EventArgs e)
{
WorkflowInstance instance = GlobalWorkflowRuntime.WorkflowRuntime.CreateWorkflow(typeof(SimpleWorkflow));
instance.Start();
//ViewState["WorkflowInstanceId"] = instance.InstanceId;
ManualWorkflowSchedulerService service = GlobalWorkflowRuntime.WorkflowRuntime.GetService <ManualWorkflowSchedulerService>();
if (service != null)
{
service.RunWorkflow(instance.InstanceId);
}
}
public void ComponentsProvidedByConfiguration()
{
WorkflowRuntime runtime = _container.Resolve <WorkflowRuntime>();
WorkflowInstance instance = runtime.CreateWorkflow(typeof(CreateNameWorkflow));
instance.Start();
ManualWorkflowSchedulerService scheduler = _container.Resolve <ManualWorkflowSchedulerService>();
scheduler.RunWorkflow(instance.InstanceId);
TestingExternalData testingExternalData = (TestingExternalData)_container.Resolve <ITestingExternalData>();
Assert.AreEqual("You are \"{0} {1}\".", testingExternalData.FullNameFormat, "Format must have been provided by config");
Assert.AreEqual("You are \"hello world\".", testingExternalData.MostRecentFullName, "Full name must have been set by workflow execution");
}
public void StartWorkflow(Type workflowType, Dictionary <string, object> inparms, Guid caller, IComparable qn)
{
WorkflowRuntime wr = this.Runtime;
WorkflowInstance wi = wr.CreateWorkflow(workflowType, inparms);
wi.Start();
var instanceId = wi.InstanceId;
_WorkflowQueue[instanceId] = new WorkflowInfo {
Caller = caller, qn = qn
};
ManualWorkflowSchedulerService ss = wr.GetService <ManualWorkflowSchedulerService>();
if (ss != null)
{
ss.RunWorkflow(wi.InstanceId);
}
}
/// <summary>
/// The calculate button was pressed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnCalculate_Click(object sender, EventArgs e)
{
//retrieve the workflow runtime
WorkflowRuntime workflowRuntime
= Application["WorkflowRuntime"] as WorkflowRuntime;
//retrieve the scheduler that is used to execute workflows
ManualWorkflowSchedulerService scheduler =
workflowRuntime.GetService(
typeof(ManualWorkflowSchedulerService))
as ManualWorkflowSchedulerService;
//handle the WorkflowCompleted event in order to
//retrieve the output parameters from the completed workflow
workflowRuntime.WorkflowCompleted
+= new EventHandler <WorkflowCompletedEventArgs>(
workflowRuntime_WorkflowCompleted);
//get the input parameters
Double dividendValue;
Double divisorValue;
Double.TryParse(dividend.Text, out dividendValue);
Double.TryParse(divisor.Text, out divisorValue);
//pass the input parameters to the workflow
Dictionary <String, Object> wfArguments
= new Dictionary <string, object>();
wfArguments.Add("Dividend", dividendValue);
wfArguments.Add("Divisor", divisorValue);
//create and start the workflow
WorkflowInstance instance = workflowRuntime.CreateWorkflow(
typeof(SharedWorkflows.DivideNumbersWorkflow), wfArguments);
instance.Start();
//execute the workflow synchronously on our thread
scheduler.RunWorkflow(instance.InstanceId);
}
public WorkflowAsyncResult(string message, AsyncCallback callback, object state)
: base(callback, state)
{
Dictionary <string, object> parameters = new Dictionary <string, object>();
parameters.Add("ReceivedData", message);
//start the workflow
WorkflowRuntime workflowRuntime = new WorkflowRuntime();
ManualWorkflowSchedulerService scheduler = new ManualWorkflowSchedulerService();
workflowRuntime.AddService(scheduler);
workflowRuntime.StartRuntime();
workflowRuntime.WorkflowCompleted += this.OnWorkflowCompleted;
workflowRuntime.WorkflowTerminated += this.OnWorkflowTerminated;
this.instance = workflowRuntime.CreateWorkflow(typeof(Workflow1), parameters);
this.instance.Start();
scheduler.RunWorkflow(this.instance.InstanceId);
}
private void RunWorkflow(WorkflowInstance workflow)
{
_scheduler.RunWorkflow(workflow.InstanceId);
}
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);
}
static private void RunWorkflowInScheduler(Guid instanceId)
{
ManualWorkflowSchedulerService scheduler = Runtime.GetService <ManualWorkflowSchedulerService>();
scheduler.RunWorkflow(instanceId);
}
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;
}
}
}