With RIFE/Workflow you request the TaskRunner to create a task in the
following way.
TaskRunner runner = new TaskRunner();
runner.start("package.TaskClass");
But the only way that I can see to communicate with that task is via
Events. What if I want to create a given Task to handle a specific
job? My thought process says that I need to pass the Task parameters
when it starts up, or before I pass it to the TaskRunner. Given that
the existing runner.start() method only takes a class name as a String
i have no ability to do so. I investigatined extending TaskRunner
myself but it appears as though BasicContinuableRunner has the same
limitation of only starting a Task by a class name as a String.
Question #1: What's the reason for only allowing the start of a task
via a String name.
Question #2: Is there a way to configure a single task before I pass
it to a TaskRunner.
Question #3: Overall....what I'm trying to accomplish here is to
create a workflow engine that is efficent and can execute
concurrently. My idea right now is to have a set of Tasks that will
be created to handle a workflow, and that those Tasks will utilize
continuations so that they do not utilize my resources when I am
waiting on external systems to respond (thus avoiding some kind of
sleep/wake/poll loop). But it seems to me that I will need to
configure this set of tasks for the Task at hand.
An example for the sake of argument would be something along the lines
of:
The system receives a file
The system parses that file and creates an object that represents it's
content
The system then realizes it needs to perform several high latency
tasks for that specific object.
The system creates a Task(s) that will execute them and waitForEvent()
such as to be efficent.
Any advice on how to architect this type of solution utilizing the
basic componets in RIFE/Workflow will be appreciated. Or perhaps a
more specific example of how the writers of RIFE/Workflow intended it
to be utilized would be valuable for us to see.
Thank you,
Andrew
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