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Contents
require 'puppet/util/watcher'
# Monitor a given file for changes on a periodic interval. Changes are detected
# by looking for a change in the file ctime.
class Puppet::Util::WatchedFile
# @!attribute [r] filename
# @return [String] The fully qualified path to the file.
attr_reader :filename
# @param filename [String] The fully qualified path to the file.
# @param timer [Puppet::Util::Watcher::Timer] The polling interval for checking for file
# changes. Setting the timeout to a negative value will treat the file as
# always changed. Defaults to `Puppet[:filetimeout]`
def initialize(filename, timer = Puppet::Util::Watcher::Timer.new(Puppet[:filetimeout]))
@filename = filename
@timer = timer
@info = Puppet::Util::Watcher::PeriodicWatcher.new(
Puppet::Util::Watcher::Common.file_ctime_change_watcher(@filename),
timer)
end
# @return [true, false] If the file has changed since it was last checked.
def changed?
@info.changed?
end
# Allow this to be used as the name of the file being watched in various
# other methods (such as Puppet::FileSystem.exist?)
def to_str
@filename
end
def to_s
"<WatchedFile: filename = #{@filename}, timeout = #{@timer.timeout}>"
end
end
Version data entries
617 entries across 617 versions & 3 rubygems