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Contents
module Lita
# A timer that executes a block after a certain number of seconds, either once or repeatedly.
# @since 3.0.0
class Timer
# @param interval [Integer] The number of seconds to wait before calling the block.
# @param recurring [Boolean] If true, the timer will fire repeatedly until stopped.
# @yieldparam timer [Lita::Timer] The current {Lita::Timer} instance.
def initialize(interval: 0, recurring: false, &block)
@interval = interval
@recurring = recurring
@running = false
@block = block
end
# Starts running the timer.
def start
@running = true
run
end
# Stops the timer, preventing any further invocations of the block until started again.
def stop
@running = false
end
private
# Is this a recurring timer?
def recurring?
@recurring
end
# Sleep for the given interval, call the block, then run again if it's a recurring timer.
def run
loop do
sleep @interval
@block.call(self) if running? && @block
break unless running? && recurring?
end
end
# Is the timer currently running?
def running?
@running
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems