Class: AbAdmin::Concerns::Reloadable::Reloader

Inherits:
Object
  • Object
show all
Defined in:
lib/ab_admin/concerns/reloadable.rb

Instance Method Summary collapse

Constructor Details

#initialize(key = nil, logger = nil, &block) ⇒ Reloader

Returns a new instance of Reloader.



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# File 'lib/ab_admin/concerns/reloadable.rb', line 24

def initialize(key=nil, logger=nil, &block)
  @key = key || "#{model_name.singular}_check_reload_key"
  @block = block
  @logger = logger || Rails.logger
  @stamp = fetch_stamp
  log "init #@key with value #@stamp"
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/ab_admin/concerns/reloadable.rb', line 36

def check
  stamp = fetch_stamp
  if @stamp != stamp
    @stamp = stamp
    @block.call()
    log "#@key reloaded to #@stamp"
  end
end

#expire ⇒ Object 



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# File 'lib/ab_admin/concerns/reloadable.rb', line 45

def expire
  log "#@key expire"
  Rails.cache.delete(@key)
end

#fetch_stamp ⇒ Object 



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# File 'lib/ab_admin/concerns/reloadable.rb', line 32

def fetch_stamp
  Rails.cache.fetch(@key) { Time.now.to_i }
end

#log(msg) ⇒ Object 



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# File 'lib/ab_admin/concerns/reloadable.rb', line 50

def log(msg)
  @logger.info "[RELOADER] (#{Process.pid}) #{msg}"
end