Class: VResource::FileSystemReloader

Inherits:
Object
  • Object
show all
Defined in:
lib/vresource/file_system_reloader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(directories = Dir.glob("**/lib"), interval = 2) ⇒ FileSystemReloader

Returns a new instance of FileSystemReloader.



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# File 'lib/vresource/file_system_reloader.rb', line 5

def initialize directories = Dir.glob("**/lib"), interval = 2
  @files = {}
  self.directories, self.interval = directories, interval      
end

Instance Attribute Details

#directories ⇒ Object

Returns the value of attribute directories.



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# File 'lib/vresource/file_system_reloader.rb', line 3

def directories
  @directories
end

#interval ⇒ Object

Returns the value of attribute interval.



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# File 'lib/vresource/file_system_reloader.rb', line 3

def interval
  @interval
end

#thread ⇒ Object

Returns the value of attribute thread.



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# File 'lib/vresource/file_system_reloader.rb', line 3

def thread
  @thread
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/vresource/file_system_reloader.rb', line 30

def check
  reset if @files.empty?
  
  begin
    check_for_changed_files.each do |type, klass, res|                        
      VResource.notify_observers :update_resource, type, klass, res
    end              
  rescue Exception => e
    warn e
  end
end

#remember_file(path) ⇒ Object 



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# File 'lib/vresource/file_system_reloader.rb', line 26

def remember_file path
  @files[path] = File.mtime(path)
end

#reset ⇒ Object 



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# File 'lib/vresource/file_system_reloader.rb', line 42

def reset
  @files = {}
  all_files.each do |path|
    remember_file path
  end
end

#start ⇒ Object 



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# File 'lib/vresource/file_system_reloader.rb', line 10

def start
  self.thread = Thread.new do        
    while true
      sleep interval
      check
    end
  end
end

#stop ⇒ Object 



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# File 'lib/vresource/file_system_reloader.rb', line 19

def stop
  if thread
    thread.kill
    self.thread = nil
  end
end