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1) calculate absolute times when a task get's added
- Chris December 08, 20172) push it into a priority queue with smallest absolute on top (binary heap)
3) have a runner that polls the queue once in a time interval (e.g. second) and checks if top task is to be executed, pop items from the heap that need to be executed.
4) now, the question is, how long does the run take? can I execute it synchronously or will this delay the scheduler? I could as well span into a thread pool to call run there.
a more sophisticated edge case is, if two items receive the same absolute time, is it required to maintain order of insertion when running? Might be relevant in some use cases. The mentioned edge case, is obvious. at 5 task b runs, at 10 task a runs.
runtime and space complexity is obvious.