Class: Coupler::Scheduler

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/coupler/scheduler.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scheduler

Returns a new instance of Scheduler.



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# File 'lib/coupler/scheduler.rb', line 5

def initialize
  super
  @mutex = Mutex.new
end

Instance Method Details

#is_started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coupler/scheduler.rb', line 60

def is_started?
  !@loop.nil?
end

#run_jobs ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 34

def run_jobs
  @mutex.synchronize do
    count = Models::Job.filter(:status => 'running').count
    if count == 0
      job = Models::Job.filter(:status => 'scheduled').order(:created_at).first
      Thread.new(job) { |j| j.execute } if job
    end
  end
end

#schedule_import_job(import) ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 26

def schedule_import_job(import)
  Models::Job.create({
    :name => "import",
    :import => import,
    :status => "scheduled"
  })
end

#schedule_run_scenario_job(scenario) ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 18

def schedule_run_scenario_job(scenario)
  Models::Job.create({
    :name => "run_scenario",
    :scenario => scenario,
    :status => "scheduled"
  })
end

#schedule_transform_job(resource) ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 10

def schedule_transform_job(resource)
  Models::Job.create({
    :name => "transform",
    :resource => resource,
    :status => "scheduled"
  })
end

#shutdown ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 55

def shutdown
  @loop.exit
  @loop = nil
end

#start ⇒ Object 



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# File 'lib/coupler/scheduler.rb', line 44

def start
  if !is_started?
    @loop = Thread.new do
      loop do
        sleep 10
        run_jobs
      end
    end
  end
end