Class: Rank

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/rora/model/rank.rb

Overview

The thirteen different hierarchical values in a deck of cards.

A deck of cards has thirteen ranks: 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King, Ace.

The ranks have a natural order, with the weakest value (0) assigned to the 2 and the strongest value (12) assigned to the ace.

Constant Summary collapse

TWO = 
new(2, "2", "Two", 13)
THREE = 
new(3, "3", "Three", 12)
FOUR = 
new(5, "4", "Four", 11)
FIVE = 
new(7, "5", "Five", 10)
SIX = 
new(11, "6", "Six", 9)
SEVEN = 
new(13, "7", "Seven", 8)
EIGHT = 
new(17, "8", "Eight", 7)
NINE = 
new(19, "9", "Nine", 6)
TEN = 
new(23, "T", "Ten", 5)
JACK = 
new(29, "J", "Jack", 4)
QUEEN = 
new(31, "Q", "Queen", 3)
KING = 
new(37, "K", "King", 2)
ACE = 
new(41, "A", "Ace", 1)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id, key, value, order) ⇒ Rank

Returns a new instance of Rank.



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# File 'lib/rora/model/rank.rb', line 15

def initialize(id, key, value, order)
  @id = id
  @key = key
  @value = value
  @order = order
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/rora/model/rank.rb', line 13

def id
  @id
end

#key ⇒ Object (readonly)

Returns the value of attribute key.



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# File 'lib/rora/model/rank.rb', line 13

def key
  @key
end

#order ⇒ Object (readonly)

Returns the value of attribute order.



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# File 'lib/rora/model/rank.rb', line 13

def order
  @order
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/rora/model/rank.rb', line 13

def value
  @value
end

Class Method Details

.get(key) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/rora/model/rank.rb', line 26

def self.get(key)
  self.values.each do |rank|
    return rank if(rank.key.casecmp(key) == 0)
  end
  raise ArgumentError, "No rank exists for key '#{key}'"
end

.values ⇒ Object 



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# File 'lib/rora/model/rank.rb', line 22

def self.values
  [TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE]
end

Instance Method Details

#<=>(rank) ⇒ Object 



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# File 'lib/rora/model/rank.rb', line 33

def <=>(rank)
  self.order <=> rank.order
end

#==(rank) ⇒ Object 



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# File 'lib/rora/model/rank.rb', line 41

def == rank
  self.key == rank.key
end

#eql?(rank) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rora/model/rank.rb', line 37

def eql? rank
  self == rank
end

#hash ⇒ Object 



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# File 'lib/rora/model/rank.rb', line 45

def hash
  return self.rank.ord
end

#to_s ⇒ Object 



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# File 'lib/rora/model/rank.rb', line 49

def to_s
  "#{@value}"
end