Class: Appdash::Span::ID

Inherits:
Object
  • Object
show all
Defined in:
lib/appdash/span/id.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent = nil) ⇒ ID

Creates a new root span

Parameters:

  • parent, (Appdash::SpanID) —

    optional parent



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# File 'lib/appdash/span/id.rb', line 18

def initialize(parent = nil)
  @trace  = parent ? parent.trace : random_uint64
  @span   = random_uint64
  @parent = parent.span if parent
end

Instance Attribute Details

#parent ⇒ Object (readonly) 



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# File 'lib/appdash/span/id.rb', line 14

def parent
  @parent
end

#span ⇒ Object (readonly) 



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# File 'lib/appdash/span/id.rb', line 11

def span
  @span
end

#trace ⇒ Object (readonly) 



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# File 'lib/appdash/span/id.rb', line 8

def trace
  @trace
end

Instance Method Details

#child ⇒ Appdash::SpanID

Returns creates a child span.

Returns:

  • (Appdash::SpanID) —

    creates a child span



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# File 'lib/appdash/span/id.rb', line 25

def child
  self.class.new(self)
end

#to_s ⇒ String

Returns string ID.

Returns:

  • (String) —

    string ID



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# File 'lib/appdash/span/id.rb', line 30

def to_s
  [trace, span, parent].compact.map do |num|
    num.to_s(16).rjust(16, '0')
  end.join("/")
end