Performs an operation at the specified time.
Performs an operation at the specified time. Interrupting the Future will cancel the scheduled timer task, if not too late.
Performs an operation after the specified delay.
Performs an operation after the specified delay. Interrupting the Future will cancel the scheduled timer task, if not too late.
Run f
every elapsed period
, starting period
from now.
Run f
every elapsed period
, starting period
from now.
Run f
at time when
; subsequently run f
at every
elapsed period
.
Run f
at time when
; subsequently run f
at every
elapsed period
.
Run f
at time when
.
Run f
at time when
.
Stop the timer.
A NullTimer is not a timer at all: it invokes all tasks immediately and inline.