public DescriptionCreator(WorkflowDefinitionContext workflowDefinitionContext)
{
if (workflowDefinitionContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("workflowDefinitionContext");
}
this.workflowDefinitionContext = workflowDefinitionContext;
}
void InitializeDescription(WorkflowDefinitionContext workflowDefinitionContext, UriSchemeKeyedCollection baseAddresses)
{
this.workflowDefinitionContext = workflowDefinitionContext;
this.InitializeDescription(baseAddresses);
if (!this.Description.Behaviors.Contains(typeof(WorkflowRuntimeBehavior)))
{
this.Description.Behaviors.Add(new WorkflowRuntimeBehavior());
}
}
internal WorkflowServiceBehavior(WorkflowDefinitionContext workflowDefinitionContext)
{
if (workflowDefinitionContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("workflowDefinitionContext");
}
this.workflowDefinitionContext = workflowDefinitionContext;
this.name = this.workflowDefinitionContext.WorkflowName;
this.configurationName = this.workflowDefinitionContext.ConfigurationName;
}
public WorkflowInstanceContextProvider(ServiceHostBase serviceHostBase, bool isPerCall, WorkflowDefinitionContext workflowDefinitionContext)
: base(serviceHostBase, isPerCall)
{
if (workflowDefinitionContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("workflowDefinitionContext");
}
this.workflowDefinitionContext = workflowDefinitionContext;
this.serviceHostBase = serviceHostBase;
this.workflowActivationCompleteCallback = Fx.ThunkCallback(new WaitCallback(this.OnWorkflowActivationCompleted));
}
public WorkflowDurableInstance(WorkflowInstanceContextProvider instanceContextProvider, Guid instanceId, WorkflowDefinitionContext workflowDefinition, bool createNew)
:
base(instanceContextProvider, instanceId)
{
if (workflowDefinition == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("workflowDefinition");
}
this.workflowDefinition = workflowDefinition;
this.shouldCreateNew = createNew;
this.instanceContextProvider = instanceContextProvider;
}
public override ServiceHostBase CreateServiceHost(string constructorString, Uri[] baseAddresses)
{
WorkflowDefinitionContext workflowDefinitionContext = null;
Stream workflowDefinitionStream = null;
Stream ruleDefinitionStream = null;
if (string.IsNullOrEmpty(constructorString))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.WorkflowServiceHostFactoryConstructorStringNotProvided)));
}
if (!HostingEnvironment.IsHosted)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.ProcessNotExecutingUnderHostedContext)));
}
Type workflowType = this.GetTypeFromString(constructorString, baseAddresses);
if (workflowType != null)
{
workflowDefinitionContext = new CompiledWorkflowDefinitionContext(workflowType);
}
else
{
try
{
IDisposable impersonationContext = null;
try
{
try
{
}
finally
{
//Ensure thread.Abort doesnt interfere b/w impersonate & assignment.
impersonationContext = HostingEnvironment.Impersonate();
}
string xomlVirtualPath = Path.Combine(AspNetEnvironment.Current.CurrentVirtualPath, constructorString);
if (HostingEnvironment.VirtualPathProvider.FileExists(xomlVirtualPath))
{
workflowDefinitionStream = HostingEnvironment.VirtualPathProvider.GetFile(xomlVirtualPath).Open();
string ruleFilePath = Path.ChangeExtension(xomlVirtualPath, WorkflowServiceBuildProvider.ruleFileExtension);
if (HostingEnvironment.VirtualPathProvider.FileExists(ruleFilePath))
{
ruleDefinitionStream = HostingEnvironment.VirtualPathProvider.GetFile(ruleFilePath).Open();
workflowDefinitionContext = new StreamedWorkflowDefinitionContext(workflowDefinitionStream, ruleDefinitionStream, this.typeProvider);
}
else
{
workflowDefinitionContext = new StreamedWorkflowDefinitionContext(workflowDefinitionStream, null, this.typeProvider);
}
}
}
finally
{
if (impersonationContext != null)
{
impersonationContext.Dispose();
}
}
}
catch
{
throw; //Prevent impersonation leak through Exception Filters.
}
finally
{
if (workflowDefinitionStream != null)
{
workflowDefinitionStream.Close();
}
if (ruleDefinitionStream != null)
{
ruleDefinitionStream.Close();
}
}
}
if (workflowDefinitionContext == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(SR2.CannotResolveConstructorStringToWorkflowType, constructorString)));
}
WorkflowServiceHost serviceHost = new WorkflowServiceHost(workflowDefinitionContext, baseAddresses);
if (DiagnosticUtility.ShouldTraceInformation)
{
TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.WorkflowServiceHostCreated, SR.GetString(SR.TraceCodeWorkflowServiceHostCreated), this);
}
return(serviceHost);
}
internal WorkflowServiceHost(WorkflowDefinitionContext workflowDefinitionContext, params Uri[] baseAddress)
: base()
{
InitializeDescription(workflowDefinitionContext, new UriSchemeKeyedCollection(baseAddress));
}
