Class: Milktea::Runtime

Inherits:
Object
  • Object
show all
Defined in:
lib/milktea/runtime.rb

Overview

Runtime manages message processing and execution state for Milktea applications

Instance Method Summary collapse

Constructor Details

#initialize(queue: Queue.new) ⇒ Runtime

Returns a new instance of Runtime.



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# File 'lib/milktea/runtime.rb', line 6

def initialize(queue: Queue.new)
  @queue = queue
  @running = false
  @should_render = false
end

Instance Method Details

#enqueue(message) ⇒ Object 



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# File 'lib/milktea/runtime.rb', line 48

def enqueue(message)
  @queue << message
end

#render? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/milktea/runtime.rb', line 28

def render?
  @should_render
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/milktea/runtime.rb', line 36

def running?
  @running
end

#start ⇒ Object 



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# File 'lib/milktea/runtime.rb', line 40

def start
  @running = true
end

#stop ⇒ Object 



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# File 'lib/milktea/runtime.rb', line 44

def stop
  @running = false
end

#stop? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/milktea/runtime.rb', line 32

def stop?
  !@running
end

#tick(model) ⇒ Object 



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# File 'lib/milktea/runtime.rb', line 12

def tick(model)
  has_render_messages = false

  until @queue.empty?
    message = @queue.pop(true) # non-blocking pop
    model, side_effect = model.update(message)
    execute_side_effect(side_effect)

    # Only Message::None instances should not trigger render
    has_render_messages = true unless message.is_a?(Message::None)
  end

  @should_render = has_render_messages
  model
end