Friday, April 29, 2016

Executor that notifies you when task finish

Java Executors don't let you know when all tasks are finished or to be more precise, don't block you until the tasks are finished. You could call shutdown() on them and then awaitTermination(), but this way you can't reuse the executor anymore, which is not great. This is why I create a class Runner that can accomplish this. It's used like this:

Runner runner = Runner.runner(10);

runner.runIn(2, SECONDS, runnable);;

runner.waitTillDone(); // blocks until all tasks are finished (or failed)

// and reuse it

runner.runIn(500, MILLISECONDS, callable);



The code for it can be found here:

Hope this will help

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