Class: Zipkin::Scope

Inherits:
Object
  • Object
show all
Defined in:
lib/zipkin/scope.rb

Overview

Scope represents an OpenTracing Scope

See www.opentracing.io for more information.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(span, scope_stack, finish_on_close:) ⇒ Scope

Returns a new instance of Scope.



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# File 'lib/zipkin/scope.rb', line 8

def initialize(span, scope_stack, finish_on_close:)
  @span = span
  @scope_stack = scope_stack
  @finish_on_close = finish_on_close
  @closed = false
end

Instance Attribute Details

#span ⇒ Span (readonly)

Return the Span scoped by this Scope

Returns:



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# File 'lib/zipkin/scope.rb', line 18

def span
  @span
end

Instance Method Details

#close ⇒ Object

Close scope

Mark the end of the active period for the current thread and Scope, updating the ScopeManager#active in the process.



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# File 'lib/zipkin/scope.rb', line 24

def close
  raise "Tried to close already closed span: #{inspect}" if @closed
  @closed = true

  @span.finish if @finish_on_close
  removed_scope = @scope_stack.pop

  if removed_scope != self # rubocop:disable Style/GuardClause
    raise 'Removed non-active scope, ' \
      "removed: #{removed_scope.inspect}, "\
      "expected: #{inspect}"
  end
end