public WorkflowHost(IWorkflowHostCallback grain, Func <WorkflowIdentity, Activity> workflowDefinitionFactory, Func <WorkflowIdentity> workflowDefinitionIdentityFactory)
{
this.grain = grain;
this.workflowDefinitionFactory = workflowDefinitionFactory;
this.workflowDefinitionIdentityFactory = workflowDefinitionIdentityFactory ?? (() => null);
activeTaskCompletionSources = new ActiveTaskCompletionSources();
idle = new AsyncAutoResetEvent(true);
previousResponseParameterExtension = new PreviousResponseParameterExtension();
}
private IEnumerable <object> GetExtensions()
{
IEnumerable <object> extensions = grain.CreateExtensions();
previousResponseParameterExtension = new PreviousResponseParameterExtension();
if (extensions != null)
{
foreach (object extension in extensions)
{
yield return(extension);
}
}
yield return(previousResponseParameterExtension);
}
