propagation.go 1.1 KB

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  1. // Copyright The OpenTelemetry Authors
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package otel // import "go.opentelemetry.io/otel"
  15. import (
  16. "go.opentelemetry.io/otel/internal/global"
  17. "go.opentelemetry.io/otel/propagation"
  18. )
  19. // GetTextMapPropagator returns the global TextMapPropagator. If none has been
  20. // set, a No-Op TextMapPropagator is returned.
  21. func GetTextMapPropagator() propagation.TextMapPropagator {
  22. return global.TextMapPropagator()
  23. }
  24. // SetTextMapPropagator sets propagator as the global TextMapPropagator.
  25. func SetTextMapPropagator(propagator propagation.TextMapPropagator) {
  26. global.SetTextMapPropagator(propagator)
  27. }