public Activity this[WorkflowIdentity definitionIdentity]
{
get
{
Activity activity = null;
var found = InstanceDefinitions.TryGetValue(definitionIdentity, out activity);
if (found)
{
return(activity);
}
var assemblyFullName = definitionIdentity.Package;
var activityTypeName = definitionIdentity.Name;
System.Diagnostics.Trace.Assert(assemblyFullName.Contains(definitionIdentity.Version.ToString()));
var objectHandle = Activator.CreateInstance(assemblyFullName, activityTypeName);//tons of exceptions needed to be handled in production
activity = objectHandle.Unwrap() as Activity;
if (activity == null)
{
throw new InvalidOperationException("You must have been crazy.");
}
InstanceDefinitions.TryAdd(definitionIdentity, activity);
return(activity);
}
}
public bool TryAdd <T>(Guid instanceId, ActivityBuilder <T> ab)
{
using (MemoryStream stream = new MemoryStream())
{
ActivityPersistenceHelper.SaveActivity(ab, stream);
stream.Position = 0;
return(InstanceDefinitions.TryAdd(instanceId, stream.ToArray()));
}
}
public bool TryAdd(WorkflowIdentity definitionIdentity, Activity a)
{
using (MemoryStream stream = new MemoryStream())
{
ActivityPersistenceHelper.SaveActivity(a, stream);
stream.Position = 0;
return(InstanceDefinitions.TryAdd(definitionIdentity, stream.ToArray()));
}
}
public bool TryAdd(WorkflowIdentity definitionIdentity, Activity a)
{
return(InstanceDefinitions.TryAdd(definitionIdentity, a));
}
