context.go 1.3 KB

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  1. // Copyright 2019 Yunion
  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 appsrv
  15. import (
  16. "context"
  17. "database/sql"
  18. "yunion.io/x/pkg/appctx"
  19. "yunion.io/x/onecloud/pkg/util/hashcache"
  20. )
  21. func AppContextDB(ctx context.Context) *sql.DB {
  22. val := ctx.Value(appctx.APP_CONTEXT_KEY_DB)
  23. if val == nil {
  24. return nil
  25. }
  26. return val.(*sql.DB)
  27. }
  28. func AppContextCache(ctx context.Context) *hashcache.Cache {
  29. val := ctx.Value(appctx.APP_CONTEXT_KEY_CACHE)
  30. if val == nil {
  31. return nil
  32. }
  33. return val.(*hashcache.Cache)
  34. }
  35. func AppContextApp(ctx context.Context) *Application {
  36. val := ctx.Value(appctx.APP_CONTEXT_KEY_APP)
  37. if val == nil {
  38. return nil
  39. }
  40. return val.(*Application)
  41. }
  42. func (app *Application) SetContext(key appctx.AppContextKey, val interface{}) {
  43. app.context = context.WithValue(app.context, key, val)
  44. }