Class: Listen::Change

Inherits:
Object
  • Object
show all
Includes:
Celluloid
Defined in:
lib/listen/change.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(listener) ⇒ Change

Returns a new instance of Change.



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# File 'lib/listen/change.rb', line 10

def initialize(listener)
  @listener = listener
end

Instance Attribute Details

#listener ⇒ Object

Returns the value of attribute listener.



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# File 'lib/listen/change.rb', line 8

def listener
  @listener
end

Instance Method Details

#_log(type, message) ⇒ Object (private) 



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# File 'lib/listen/change.rb', line 54

def _log(type, message)
  Celluloid.logger.send(type, message)
end

#change(type, watched_dir, rel_path, options = {}) ⇒ Object 



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# File 'lib/listen/change.rb', line 14

def change(type, watched_dir, rel_path, options = {})
  change = options[:change]
  cookie = options[:cookie]

  if !cookie && listener.silencer.silenced?(Pathname(rel_path), type)
    _log :debug, "(silenced): #{rel_path.inspect}"
    return
  end

  path = watched_dir + rel_path

  log_details = options[:silence] && 'recording' || change || 'unknown'
  _log :debug, "#{log_details}: #{type}:#{path} (#{options.inspect})"

  if change
    # TODO: move this to Listener to avoid Celluloid overhead
    # from caller
    options = cookie ? { cookie: cookie } : {}
    listener.queue(type, change, watched_dir, rel_path, options)
  else
    return unless (record = listener.sync(:record))

    if type == :dir
      return unless (change_queue = listener.async(:change_pool))
      Directory.scan(change_queue, record, watched_dir, rel_path, options)
    else
      change = File.change(record, watched_dir, rel_path)
      return if !change || options[:silence]
      listener.queue(:file, change, watched_dir, rel_path)
    end
  end
rescue Celluloid::Task::TerminatedError
  _log :debug, "Change#change was terminated: #{$!.inspect}"
rescue RuntimeError
  _log :error, "Change#change crashed #{$!.inspect}:#{[email protected]("\n")}"
  raise
end