Class: YADM::Criteria::Condition

Inherits:
Object
  • Object
show all
Defined in:
lib/yadm/criteria/condition.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(expression) ⇒ Condition

Returns a new instance of Condition.



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# File 'lib/yadm/criteria/condition.rb', line 6

def initialize(expression)
  @expression = expression
end

Instance Attribute Details

#expressionObject (readonly)

Returns the value of attribute expression.



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# File 'lib/yadm/criteria/condition.rb', line 4

def expression
  @expression
end

Class Method Details

.merge(first_condition, second_condition) ⇒ Object



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# File 'lib/yadm/criteria/condition.rb', line 15

def merge(first_condition, second_condition)
  if first_condition && second_condition
    expression = Expression.new(
      first_condition.expression,
      :&,
      [second_condition.expression]
    )
    
    new(expression)
  else
    [first_condition, second_condition].compact.first
  end
end

Instance Method Details

#==(other) ⇒ Object



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# File 'lib/yadm/criteria/condition.rb', line 10

def ==(other)
  other.respond_to?(:expression) && expression == other.expression
end