Class: Mimi::Application::Runner

Inherits:
Object
  • Object
show all
Includes:
Logger::Instance
Defined in:
lib/mimi/application/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(application_class) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/mimi/application/runner.rb', line 8

def initialize(application_class)
  @application_class = application_class
  @application_instance = application_class.instance
end

Instance Attribute Details

#application_class ⇒ Object (readonly)

Returns the value of attribute application_class.



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# File 'lib/mimi/application/runner.rb', line 6

def application_class
  @application_class
end

#application_instance ⇒ Object (readonly)

Returns the value of attribute application_instance.



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# File 'lib/mimi/application/runner.rb', line 6

def application_instance
  @application_instance
end

Instance Method Details

#emit(event) ⇒ Object 



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# File 'lib/mimi/application/runner.rb', line 38

def emit(event)
  logger.debug "emit(#{event})"
  handlers = application_class.event_handlers.select { |h| h[:event] == event }
  handlers.each do |h|
    application_instance.instance_exec(&h[:block])
  end
rescue Exception => e
  logger.fatal "Failed to process event '#{event}': #{e}"
  logger.debug e.backtrace.join("\n")
  raise
end

#run ⇒ Object 



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# File 'lib/mimi/application/runner.rb', line 13

def run
  application_instance.stop_requested = false
  init_signal_handlers
  emit(:configure)
  emit(:start)
  loop do
    break if application_instance.stop_requested
    emit(:tick)
    emit(:every)
    break if application_instance.stop_requested
    sleep Mimi::Application.module_options[:tick_interval]
  end
  emit(:stop)
  true
rescue Exception => e
  # abort "FATAL: #{e}"
  abort "FATAL: #{e}"
end

#stop_by_signal(signal) ⇒ Object 



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# File 'lib/mimi/application/runner.rb', line 32

def stop_by_signal(signal)
  # TODO: cant' run to log in the trap context
  # puts "Signal caught (#{signal}), exiting"
  application_instance.stop_requested = true
end