Class: CronSpec::CronSpecification

Inherits:
Object
  • Object
show all
Defined in:
lib/cron-spec/cron_specification.rb

Constant Summary collapse

TimeMethods = 
[ :min, :hour, :day, :month, :wday ]
MINUTE = 
0
HOUR = 
1
DAY = 
2
MONTH = 
3
DOW = 
4
YEARLY =

Shortcut patterns

'yearly'
ANNUALLY = 
'annually'
MONTHLY = 
'monthly'
WEEKLY = 
'weekly'
DAILY = 
'daily'
MIDNIGHT = 
'midnight'
HOURLY = 
'hourly'
SHORTCUT_CRONS = 
{
YEARLY => '0 0 1 1 *',
ANNUALLY => '0 0 1 1 *',
MONTHLY => '0 0 1 * *',
WEEKLY => '0 0 * * 0',
DAILY => '0 0 * * *',
MIDNIGHT => '0 0 * * *',
HOURLY => '0 * * * *'}
SHORTCUT_PATTERN = 
/\A@(#{SHORTCUT_CRONS.keys.join('|')})\z/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(raw_specification) ⇒ CronSpecification 



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# File 'lib/cron-spec/cron_specification.rb', line 34

def initialize(raw_specification)
  raise "Must specify a cron specification" if raw_specification.nil?

  @raw_specification = (raw_specification =~ SHORTCUT_PATTERN) ? SHORTCUT_CRONS[$1] : raw_specification

  specification = @raw_specification.split(' ')
  raise "Invalid cron specification" if specification.size != 5

  @cron_values = []
  @cron_values << parse_specification(specification[MINUTE], MinuteFactory.new)
  @cron_values << parse_specification(specification[HOUR], HourFactory.new)
  @cron_values << parse_specification(specification[DAY], DayFactory.new)
  @cron_values << parse_specification(specification[MONTH], MonthFactory.new)
  @cron_values << parse_specification(specification[DOW], DowFactory.new)
end

Instance Attribute Details

#raw_specification ⇒ Object (readonly)

Returns the value of attribute raw_specification.



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# File 'lib/cron-spec/cron_specification.rb', line 32

def raw_specification
  @raw_specification
end

Instance Method Details

#is_specification_in_effect?(time = Time.now.in_time_zone(DISPLAY_TIME_ZONE)) ⇒ Boolean 



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# File 'lib/cron-spec/cron_specification.rb', line 50

def is_specification_in_effect?(time=Time.now.in_time_zone(DISPLAY_TIME_ZONE))
  idx = 0
  test_results = @cron_values.collect do | cvalues |
    time_value = time.send(TimeMethods[idx])
    idx += 1
    !cvalues.detect { | cv | cv.is_effective?(time_value) }.nil?
  end.all?

end