Class: IceT::Rule::Base

Inherits:
Object
  • Object
show all
Extended by:
Comparable
Includes:
Comparable, Conversions::Rule
Defined in:
lib/ice_t/rule/base.rb

Direct Known Subclasses

Daily, Hourly, Minutely, Monthly, Secondly, Weekly, Yearly

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Conversions::Rule

included, #to_hash

Constructor Details

#initialize(interval = 1) ⇒ Base

Returns a new instance of Base.

Raises:

  • (ArgumentError) 


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# File 'lib/ice_t/rule/base.rb', line 39

def initialize(interval = 1)
  raise ArgumentError.new('Positive integer required') if interval.nil? ||
                                                          interval.to_i < 1 ||
                                                          interval % 1 != 0
  @rule = self.class.name
  @interval = interval
end

Instance Attribute Details

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/ice_t/rule/base.rb', line 37

def interval
  @interval
end

Class Method Details

.<=>(other) ⇒ Object 



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# File 'lib/ice_t/rule/base.rb', line 30

def <=>(other)
  self.to_i <=> other.to_i
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/ice_t/rule/base.rb', line 48

def <=>(other)
  return unless other.class.respond_to?(:to_i)
  if self.class == other.class
    case
    when self.interval == other.interval
      0
    when self.interval < other.interval
      -1 
    when self.interval > other.interval
      +1
    end
  else
    case 
    when self.class.to_i < other.class.to_i
      -1
    when self.class.to_i > other.class.to_i
      +1
    end
  end
end

#occurrences(start_time, end_time) ⇒ Object 



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# File 'lib/ice_t/rule/base.rb', line 69

def occurrences(start_time, end_time)
  diff = IceT::TimeHelper.diff_by_unit(start_time, end_time, self.class.unit)
  (0..diff).step(self.interval).map { |i|
    start_time.advance(self.class.unit => i)
  }
end