Class: Trace::TraceId128Bit

Inherits:
SpanId
  • Object
show all
Defined in:
lib/zipkin-tracer/trace.rb

Constant Summary collapse

HEX_REGEX_16 = 
/^[a-f0-9]{16}$/i
HEX_REGEX_32 = 
/^[a-f0-9]{32}$/i
MAX_SIGNED_I128 = 
(2 ** 128 / 2) -1
MASK = 
(2 ** 128) - 1

Constants inherited from SpanId

SpanId::HEX_REGEX, SpanId::MAX_SIGNED_I64

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ TraceId128Bit

Returns a new instance of TraceId128Bit.



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# File 'lib/zipkin-tracer/trace.rb', line 154

def initialize(value)
  @value = value
  @i128 = if @value > MAX_SIGNED_I128
    -1 * ((@value ^ MASK) + 1)
  else
    @value
  end
end

Class Method Details

.from_value(v) ⇒ Object 



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# File 'lib/zipkin-tracer/trace.rb', line 142

def self.from_value(v)
  if v.is_a?(String) && v =~ HEX_REGEX_16
    SpanId.new(v.hex)
  elsif v.is_a?(String) && v =~ HEX_REGEX_32
    new(v.hex)
  elsif v.is_a?(Numeric)
    new(v)
  elsif v.is_a?(SpanId)
    v
  end
end

Instance Method Details

#to_i ⇒ Object 



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# File 'lib/zipkin-tracer/trace.rb', line 164

def to_i; @i128; end

#to_s ⇒ Object 



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# File 'lib/zipkin-tracer/trace.rb', line 163

def to_s; '%032x' % @value; end