How to maintain the status of the Thread ?

How to maintain the status of the Thread ?
namanc

I want to know whether a particular thread (java
application) is completed successfully or not ...
If the thread is not completed successfully then I
want to restart the Thread.
Actually this is the Task Scheduler Application ...
If the particular task is not running successfully
then I want to start the Task again ...
namancThen it could look something like this: // loading the queue
for each task
    add task to list of incomplete tasks
    enqueue task in work queue
// dispatcher
while !done()
    task = workQueue.dequeue();
    New Thread(task).start();When a task finishes, it can call a callback method on the dispatcher. The dispatcher looks at the task's status. If it finished successfully, the task gets removed from the list of incomplete tasks. Else it goes back on the work queue.
There will be some syncing issues involved. You'll have to use wait() and notify()/notifyAll() to handle the situation where the work queue is empty, and all incomplete tasks are being worked on. And the case where the dispatcher wakes up after the notifyAll() and there's nothing to dequeue and nothing in the list of incomplete tasks.
Clearly it needs some fine tuning, but I hope you get the idea.

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<b>Rewards point if useful.......</b>
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