Class: DaemonKit::Cron

Inherits:
Object show all
Defined in:
lib/daemon_kit/cron.rb

Overview

Thin wrapper around rufus-scheduler gem, specifically designed to ease configuration of a scheduler and provide some added simplicity.

For more information on rufus-scheduler, please visit the RDoc’s at rufus.rubyforge.org/rufus-scheduler/

To use the evented scheduler, call #DaemonKit::EM.run prior to setting up your first schedule.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cron

Returns a new instance of Cron.



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# File 'lib/daemon_kit/cron.rb', line 44

def initialize
  @scheduler = Rufus::Scheduler.start_new
end

Instance Attribute Details

#scheduler ⇒ Object (readonly)

Returns the value of attribute scheduler.



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# File 'lib/daemon_kit/cron.rb', line 15

def scheduler
  @scheduler
end

Class Method Details

.instance ⇒ Object

Access to the scheduler instance



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# File 'lib/daemon_kit/cron.rb', line 20

def instance
  @instance ||= new
end

.run ⇒ Object

Once the scheduler has been configured, call #run to block the current thread and keep the process alive for the scheduled tasks to run



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# File 'lib/daemon_kit/cron.rb', line 33

def run
  DaemonKit.logger.info "Starting rufus-scheduler"

  if instance.is_a?( Rufus::Scheduler::PlainScheduler )
    instance.scheduler.join
  else
    Thread.stop
  end
end

.scheduler ⇒ Object 



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# File 'lib/daemon_kit/cron.rb', line 24

def scheduler
  instance.scheduler
end