Class: Moment::CronTrigger

Inherits:
Trigger
  • Object
show all
Defined in:
lib/cron_trigger.rb

Constant Summary collapse

LeapYearMonthDays = 
[31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
CommonYearMonthDays = 
[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(expr) ⇒ CronTrigger

Returns a new instance of CronTrigger.



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# File 'lib/cron_trigger.rb', line 8

def initialize(expr)
  super()
  self.cron_expr = expr
end

Instance Attribute Details

#cron_expr ⇒ Object

Returns the value of attribute cron_expr.



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# File 'lib/cron_trigger.rb', line 6

def cron_expr
  @cron_expr
end

#day ⇒ Object

Returns the value of attribute day.



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# File 'lib/cron_trigger.rb', line 6

def day
  @day
end

#hour ⇒ Object

Returns the value of attribute hour.



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# File 'lib/cron_trigger.rb', line 6

def hour
  @hour
end

#min ⇒ Object

Returns the value of attribute min.



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# File 'lib/cron_trigger.rb', line 6

def min
  @min
end

#month ⇒ Object

Returns the value of attribute month.



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# File 'lib/cron_trigger.rb', line 6

def month
  @month
end

#sec ⇒ Object

Returns the value of attribute sec.



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# File 'lib/cron_trigger.rb', line 6

def sec
  @sec
end

#wday ⇒ Object

Returns the value of attribute wday.



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# File 'lib/cron_trigger.rb', line 6

def wday
  @wday
end

#year ⇒ Object

Returns the value of attribute year.



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# File 'lib/cron_trigger.rb', line 6

def year
  @year
end

Instance Method Details

#fire_time_after(time) ⇒ Object 



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# File 'lib/cron_trigger.rb', line 19

def fire_time_after(time)
  sec, min, hour, day, month, year, wday, yday, isdst, zone = time.to_a

  loop do
    # year
    unless @year.nil? or @year.include?(year)
      return nil  if year > @year.max
      year = @year.detect do |y| y > year end  # next allowable year
    end

    # month
    unless @month.include?(month)
      # next allowable month
      next_month = @month.detect(lambda { @month.min }) do |m| m > month end
      # reset everything lower
      day, hour, min, sec = @day.min, @hour.min, @min.min, @sec.min
      # carry case
      if next_month < month
        month = next_month
        year += 1
        retry
      end
      month = next_month
    end

    # day
    month_days = (1 .. month_days(year, month))
    days = @day.select do |d| month_days === d end
    unless days.include?(day)
      next_day = days.detect(lambda { days.min }) do |d| d > day end
      hour, min, sec = @hour.min, @min.min, @sec.min
      if next_day.nil? or next_day < day
        day = next_day.nil? ? @day.min : next_day
        month += 1
        retry
      end
      day = next_day
    end

    # hour
    unless @hour.include?(hour)
      next_hour = @hour.detect(lambda { @hour.min }) do |h| h > hour end
      min, sec = @min.min, @sec.min
      if next_hour < hour
        hour = next_hour
        day += 1
        retry
      end
      hour = next_hour
    end

    # min
    unless @min.include?(min)
      next_min = @min.detect(lambda { @min.min }) do |m| m > min end
      sec = @sec.min
      if next_min < min
        min = next_min
        hour += 1
        retry
      end
      min = next_min
    end

    # sec
    unless @sec.include?(sec)
      next_sec = @sec.detect(lambda { @sec.min }) do |s| s > sec end
      if next_sec < sec
        sec = next_sec
        min += 1
        retry
      end
      sec = next_sec
    end

    break
  end

  Time.local sec, min, hour, day, month, year, wday, yday, isdst, zone
end