Module: OpenTracing::Instrumented::ClassMethods

Defined in:
lib/opentracing/instrumented.rb

Instance Method Summary collapse

Instance Method Details

#traced(*method_names) ⇒ Object

Wraps a method and traces its call. The span's operation name will be ..

Parameters:

  • method_name (Array<Symbol>)


15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# File 'lib/opentracing/instrumented.rb', line 15

def traced(*method_names)
  proxy = Module.new

  method_names.each do |method_name|
    operation_name = "#{name}.#{method_name}"
    proxy.define_method(method_name) do |*args, &block|
      ret = nil

      OpenTracing.start_active_span(operation_name) do
        ret = super(*args, &block)
      end

      ret
    end
  end

  prepend proxy
end