Class: Jaeger::Scope

Inherits:
Object
  • Object
show all
Defined in:
lib/jaeger/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.



8
9
10
11
12
13
 
# File 'lib/jaeger/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:



18
19
20
 
# File 'lib/jaeger/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.



24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/jaeger/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