Class: ActiveFacts::Metamodel::Value

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/metamodel/metamodel.rb,
lib/activefacts/metamodel/extensions.rb

Instance Method Summary collapse

Instance Method Details

#!=(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1134

def !=(other)
  !(self == other)
end

#<(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1148

def <(other)
  v = self >= other
  v == nil ? v : !v
end

#<=(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1138

def <=(other)
  return true if other == Infinity
  effective_value <= other.effective_value rescue nil
end

#==(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1130

def ==(other)
  effective_value == (Value === other ? other.effective_value : other)
end

#>(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1153

def >(other)
  v = self >= other
  v == nil ? v : !v
end

#>=(other) ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1143

def >=(other)
  return true if other == -Infinity
  effective_value >= other.effective_value rescue nil
end

#effective_value ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1126

def effective_value
  is_literal_string ? literal : eval(literal)
end

#inspect ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1122

def inspect
  to_s
end

#to_s ⇒ Object 



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# File 'lib/activefacts/metamodel/extensions.rb', line 1108

def to_s
  if is_literal_string
    "'"+
    literal.
      inspect.            # Use Ruby's inspect to generate necessary escapes
      gsub(/\A"|"\Z/,''). # Remove surrounding quotes
      gsub(/'/, "\\'") +  # Escape any single quotes
    "'"
  else
    literal
  end +
  (unit ? " " + unit.name : "")
end