Class: Listen::Adapter::Polling

Inherits:
Base
  • Object
show all
Defined in:
lib/listen/adapter/polling.rb

Overview

Polling Adapter that works cross-platform and has no dependencies. This is the adapter that uses the most CPU processing power and has higher file IO than the other implementations.

Constant Summary collapse

OS_REGEXP =

match any

//
DEFAULT_POLLING_LATENCY = 
1.0

Instance Attribute Summary

Attributes inherited from Base

#listener

Instance Method Summary collapse

Methods inherited from Base

#_configure, #_directories, #_log, #_notify_change, #initialize, local_fs?, #start, usable?

Constructor Details

This class inherits a constructor from Listen::Adapter::Base

Instance Method Details

#_latency ⇒ Object (private) 



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# File 'lib/listen/adapter/polling.rb', line 15

def _latency
  listener.options[:latency] || DEFAULT_POLLING_LATENCY
end

#_run ⇒ Object (private) 



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# File 'lib/listen/adapter/polling.rb', line 19

def _run
  loop do
    start = Time.now.to_f
    _directories.each do |path|
      _notify_change(:dir, path, recursive: true)
      nap_time = _latency - (Time.now.to_f - start)
      sleep(nap_time) if nap_time > 0
    end
  end
end