Class: Puppet::Util::Watcher::PeriodicWatcher

Inherits:

Object

• Object
• Puppet::Util::Watcher::PeriodicWatcher

Defined in:

lib/puppet/util/watcher/periodic_watcher.rb

Overview

Monitor a given watcher for changes on a periodic interval.

Instance Method Summary

• #changed? ⇒ true, false

  If the file has changed since it was last checked.

• #initialize(watcher, timer) ⇒ PeriodicWatcher constructor

  A new instance of PeriodicWatcher.

Constructor Details

#initialize(watcher, timer) ⇒ PeriodicWatcher

Returns a new instance of PeriodicWatcher.

Parameters:

• watcher (Puppet::Util::Watcher::ChangeWatcher) —

  a watcher for the value to watch

• timer (Puppet::Util::Watcher::Timer) —

  A timer to determine when to recheck the watcher. If the timeout of the timer is negative, then the watched value is always considered to be changed

# File 'lib/puppet/util/watcher/periodic_watcher.rb', line 9

def initialize(watcher, timer)
  @watcher = watcher
  @timer = timer

  @timer.start
end

Instance Method Details

#changed? ⇒ true, false

Returns If the file has changed since it was last checked.

Returns:

• (true, false) —

  If the file has changed since it was last checked.

# File 'lib/puppet/util/watcher/periodic_watcher.rb', line 17

def changed?
  return true if always_consider_changed?

  @watcher = examine_watched_info(@watcher)
  @watcher.changed?
end