Class: MIDIOps::Handler

Inherits:
Object
  • Object
show all
Defined in:
lib/midiops/handler.rb

Defined Under Namespace

Modules: Status

Instance Method Summary collapse

Constructor Details

#initialize(worker_number) ⇒ Handler

Returns a new instance of Handler.



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# File 'lib/midiops/handler.rb', line 12

def initialize worker_number
  @handlers = {}
  @events = []
  @waiting_param = false
end

Instance Method Details

#add(event, handler) ⇒ Object 



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# File 'lib/midiops/handler.rb', line 21

def add event, handler
  @handlers.set_by_keys event, handler
end

#handle(event) ⇒ Object 



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# File 'lib/midiops/handler.rb', line 36

def handle event
  if @waiting_param
    prc = @handlers.get_by_keys(*@events)[:ARG]
    EM.defer(Proc.new { prc.call(event) })

    @events.clear
    @waiting_param = false
  else
    @events << event

    case has_handler?
    when Status::HAS_HANDLER
      EM.defer(@handlers.get_by_keys(*@events)) unless @handlers.get_by_keys(*@events).nil?

      @events.clear
    when Status::NO_HANDLERS
      @events.clear
    when Status::HANDLER_INDEFINITE
      # do nothing
    end
  end
end

#has_handler? ⇒ Boolean

Returns:



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# File 'lib/midiops/handler.rb', line 25

def has_handler?
  if @handlers.keys?(*@events).nil?
    Status::NO_HANDLERS
  elsif @handlers.get_by_keys(*@events).is_a? Hash
    @waiting_param = true unless @handlers.get_by_keys(*@events)[:ARG].nil?
    Status::HANDLER_INDEFINITE
  else
    Status::HAS_HANDLER
  end
end

#push_job(job) ⇒ Object 



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# File 'lib/midiops/handler.rb', line 18

def push_job job
end