Class: Antlr4::Runtime::UUID

Inherits:
Object
  • Object
show all
Defined in:
lib/antlr4/runtime/uuid.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(upper, lower) ⇒ UUID

Returns a new instance of UUID.



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# File 'lib/antlr4/runtime/uuid.rb', line 6

def initialize(upper, lower)
  @lower = lower
  @upper = upper
end

Instance Attribute Details

#lower ⇒ Object (readonly)

Returns the value of attribute lower.



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# File 'lib/antlr4/runtime/uuid.rb', line 4

def lower
  @lower
end

#upper ⇒ Object (readonly)

Returns the value of attribute upper.



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# File 'lib/antlr4/runtime/uuid.rb', line 3

def upper
  @upper
end

Class Method Details

.decode(hex_string) ⇒ Object 



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# File 'lib/antlr4/runtime/uuid.rb', line 42

def self.decode(hex_string)
  hex_string.to_i(16)
end

.from_string(name) ⇒ Object 



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# File 'lib/antlr4/runtime/uuid.rb', line 23

def self.from_string(name)
  components = name.split('-')
  if components.length != 5
    raise IllegalArgumentException, 'Invalid UUID string: ' + name
  end

  upper = decode(components[0])
  upper = upper << 16
  upper |= decode(components[1])
  upper = upper << 16
  upper |= decode(components[2])

  lower = decode(components[3])
  lower = lower << 48
  lower |= decode(components[4])

  UUID.new(upper, lower)
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/antlr4/runtime/uuid.rb', line 15

def ==(other)
  if !other.nil?
    @lower == other.lower && @upper == other.upper
  else
    false
  end
end

#to_s ⇒ Object 



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# File 'lib/antlr4/runtime/uuid.rb', line 11

def to_s
  @upper.to_s + @lower.to_s
end