Class: Qmore::Persistence::Monitor

Inherits:
Object
  • Object
show all
Includes:
GemLogger::LoggerSupport
Defined in:
lib/qmore/persistence.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(persistence, interval) ⇒ Monitor

from some source (redis, file, db, etc) defaults to 1 minute

Parameters:

  • persistence (Qmore::persistence) —

    • responsible for reading the configuration

  • interval (Integer) —

    • the period, in seconds, to wait between updates to the configuration.



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# File 'lib/qmore/persistence.rb', line 10

def initialize(persistence, interval)
  @persistence = persistence
  @interval = interval
end

Instance Attribute Details

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/qmore/persistence.rb', line 5

def interval
  @interval
end

#updating ⇒ Object (readonly)

Returns the value of attribute updating.



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# File 'lib/qmore/persistence.rb', line 5

def updating
  @updating
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/qmore/persistence.rb', line 15

def start
  return if @updating
  @updating = true

  # Ensure we load the configuration once from persistence before
  # the background thread.
  Qmore.configuration = @persistence.load

  Thread.new do
    while(@updating) do
      sleep @interval
      begin
        Qmore.configuration = @persistence.load
      rescue => e
        logger.error "#{e.class.name} : #{e.message}"
      end
    end
  end
end

#stop ⇒ Object 



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# File 'lib/qmore/persistence.rb', line 35

def stop
  @updating = false
end