Class: ScbiMapreduce::WorkManager

Inherits:
Object
  • Object
show all
Defined in:
lib/full_lengther_next/my_worker_manager_fln.rb

Direct Known Subclasses

MyWorkerManagerEst, MyWorkerManagerFln

Instance Method Summary collapse

Instance Method Details

#send_next_work ⇒ Object 



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# File 'lib/full_lengther_next/my_worker_manager_fln.rb', line 13

def send_next_work
	  sleep = false
      # if we need to exit, send quit to workers
      if @@want_to_exit
        send_object(:quit)
        
      elsif !send_stuck_work
        
      #send stuck work
        objs=[]
        
        t=Time.now_us
        
        begin
        # prepare new data
        @@chunk_size.times do
          obj=next_work
          if obj.nil?
            break
          elsif obj == :sleep
          	#send_object(:sleep)
          	sleep = true
          	break  	
          else
            # add to obj array
            objs << obj
          end
        end
        rescue Exception => e
          $SERVER_LOG.error("Exception creating next_work. Worker, quit!")
          $SERVER_LOG.error("#{e.message}\n#{e.backtrace.join("\n")}")
          send_object(:sleep)
          self.class.global_error_received(e)

          #raise e
        end
        
        @@total_read_time+=(Time.now_us - t)
        
        # if new was data collected, send it
        if objs.count>0
          @@count += objs.count
          @@chunk_count += 1

          work_data=WorkManagerData.new(objs)
          send_object(work_data)
          @@sent_chunks+=1

          # to keep order or retry failed job, we need job status
          if @@keep_order || @@retry_stuck_jobs
            # do not remove data to be able to sent it again
            # work_data.data=nil
            @@running_jobs.push work_data
            # print_running_jobs
          end
        else
          # otherwise, 
          if @@running_jobs.count >0 || sleep
            $SERVER_LOG.info("Worker, go to sleep")
            send_object(:sleep)
            
          else
            # send a quit value indicating no more data available
            send_object(:quit)
          end
        end
      end
end