Module: Subledger::Domain::Value

Included in:
Credit, Debit, Line, Zero
Defined in:
lib/subledger/domain/value.rb

Defined Under Namespace

Modules: ValueClass

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#amount ⇒ Object (readonly)

Returns the value of attribute amount.



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# File 'lib/subledger/domain/value.rb', line 23

def amount
  @amount
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/subledger/domain/value.rb', line 9

def self.included base
  base.extend ValueClass
end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/subledger/domain/value.rb', line 41

def + other
  (Balance.new + value + other.value).value
end

#==(other) ⇒ Object 



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# File 'lib/subledger/domain/value.rb', line 45

def == other
  self.value.class == other.value.class and amount == other.amount
end

#initialize(arg_amount = 0) ⇒ Object 



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# File 'lib/subledger/domain/value.rb', line 25

def initialize arg_amount=0
  if arg_amount.nil?
    raise ValueError, 'amount may not be nil'
  end

  validate_amount(arg_amount) if arg_amount.respond_to?(:match)

  big_amount = BigDecimal arg_amount

  validate_sign big_amount

  validate_amount( amount_to_s big_amount )

  @amount = big_amount
end

#to_s ⇒ Object Also known as: inspect 



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# File 'lib/subledger/domain/value.rb', line 53

def to_s
  "#{self.class.type}: #{amount_to_s @amount}"
end

#value ⇒ Object 



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# File 'lib/subledger/domain/value.rb', line 49

def value
  self
end