Why is there no default java implementation of Delayed for DelayQueue?

Question

I'd like a DelayQueue of scheduled Runnables, where each Runnables should only be run after a certain point in time, specified beforehand. Hence a thread can just keep removing runnables from this queue and process a schedule of events. Why is there no good default implementation of Delayed, that is also Runnable, for this?

The only subinterface of Delayed that seems reasonable is RunnableScheduledFuture, which has a whole bunch of random things that need to be implemented. There has to be an easier way to do this, right?

I always search for existing implementations before rolling my own. Yes, I think `ScheduledExecutorService` was what I was looking for :) Why don't you convert your comment into an answer? — Andrew Mao, Feb 27 '13 at 01:13

score 2 · Accepted Answer · answered Feb 27 '13 at 01:19

2

DelayQueue is more of an infrastructure class that's not used directly by application.

You are probably better off using a ScheduledExecutorService (which internally uses a variant of DelayQueue)

answered Feb 27 '13 at 01:19

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Great, no idea how I overlooked that! :) – Andrew Mao Feb 27 '13 at 01:21

Why is there no default java implementation of Delayed for DelayQueue?

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