Class: VncTools::ServerPool

Inherits:
Object
  • Object
show all
Includes:
Observable
Defined in:
lib/vnctools/server_pool.rb

Defined Under Namespace

Classes: OutOfDisplaysError, TooManyDisplaysError

Instance Method Summary collapse

Constructor Details

#initialize(capacity, klass = Server) ⇒ ServerPool

Returns a new instance of ServerPool.



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# File 'lib/vnctools/server_pool.rb', line 5

def initialize(capacity, klass = Server)
  @capacity     = capacity
  @running      = []
  @server_class = klass

  create_servers
end

Instance Method Details

#get ⇒ Object

Raises:



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# File 'lib/vnctools/server_pool.rb', line 27

def get
  raise OutOfDisplaysError if @servers.empty?

  server = next_server
  fire :on_display_fetched, server

  server
end

#release(server) ⇒ Object

Raises:



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# File 'lib/vnctools/server_pool.rb', line 36

def release(server)
  raise TooManyDisplaysError if size == @capacity
  fire :on_display_released, server

  @servers.unshift server
end

#size ⇒ Object 



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# File 'lib/vnctools/server_pool.rb', line 23

def size
  @servers.size
end

#stop ⇒ Object 



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# File 'lib/vnctools/server_pool.rb', line 13

def stop
  running.dup.each do |s|
    fire :on_display_stopping, s
    stop_server s
    running.delete s
  end

  create_servers
end