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  1. // Copyright 2018 Google LLC
  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. // +build !go1.8
  15. package pubsub
  16. import (
  17. "golang.org/x/net/context"
  18. "google.golang.org/api/option"
  19. )
  20. // OpenCensus only supports go 1.8 and higher.
  21. func openCensusOptions() []option.ClientOption { return nil }
  22. func withSubscriptionKey(ctx context.Context, _ string) context.Context {
  23. return ctx
  24. }
  25. type dummy struct{}
  26. var (
  27. // Not supported below Go 1.8.
  28. PullCount dummy
  29. // Not supported below Go 1.8.
  30. AckCount dummy
  31. // Not supported below Go 1.8.
  32. NackCount dummy
  33. // Not supported below Go 1.8.
  34. ModAckCount dummy
  35. // Not supported below Go 1.8.
  36. StreamOpenCount dummy
  37. // Not supported below Go 1.8.
  38. StreamRetryCount dummy
  39. // Not supported below Go 1.8.
  40. StreamRequestCount dummy
  41. // Not supported below Go 1.8.
  42. StreamResponseCount dummy
  43. )
  44. func recordStat(context.Context, dummy, int64) {
  45. }