Class: Pwrake::PriorityQueueArray

Inherits:
Array
  • Object
show all
Defined in:
lib/pwrake/task_queue.rb

Instance Method Summary collapse

Instance Method Details

#index(t) ⇒ Object 



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# File 'lib/pwrake/task_queue.rb', line 31

def index(t)
  if size < 40
    return super(t)
  end
  task_id = t.task_id
  if last.task_id < task_id || first.task_id > task_id
    nil
  else
    lower = 0
    upper = size-1
    while lower+1 < upper
      mid = ((lower + upper) / 2).to_i
      if self[mid].task_id < task_id
        lower = mid
      else
        upper = mid
      end
    end
    mid = upper
    if self[mid].task_id == task_id
      Log.debug "--- TQA#index=#{mid}, task_id=#{task_id}"
      mid
    end
  end
end

#push(t) ⇒ Object 



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# File 'lib/pwrake/task_queue.rb', line 10

def push(t)
  task_id = t.task_id
  if empty? || last.task_id <= task_id
    super(t)
  elsif first.task_id > task_id
    unshift(t)
  else
    lower = 0
    upper = size-1
    while lower+1 < upper
      mid = ((lower + upper) / 2).to_i
      if self[mid].task_id <= task_id
        lower = mid
      else
        upper = mid
      end
    end
    insert(upper,t)
  end
end