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Contents
module Guard
# Polling listener that works cross-platform and
# has no dependencies. This is the listener that
# uses the most CPU processing power and has higher
# file IO that the other implementations.
#
class Polling < Listener
# Initialize the Listener.
#
def initialize(*)
super
@latency = 1.5
end
# Start the listener.
#
def start
@stop = false
super
watch_change
end
# Stop the listener.
#
def stop
super
@stop = true
end
# Watch the given directory for file changes.
#
# @param [String] directory the directory to watch
#
def watch(directory)
@existing = all_files
end
private
# Watch for file system changes.
#
def watch_change
until @stop
start = Time.now.to_f
files = modified_files([@directory], :all => true)
@callback.call(files) unless files.empty?
nap_time = @latency - (Time.now.to_f - start)
sleep(nap_time) if nap_time > 0
end
end
end
end
Version data entries
159 entries across 67 versions & 4 rubygems