factory.go 1.5 KB

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  1. // Copyright erfenjiao, 630166475@qq.com.
  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 wasm
  15. import (
  16. "github.com/lf-edge/ekuiper/internal/conf"
  17. "github.com/lf-edge/ekuiper/internal/plugin"
  18. "github.com/lf-edge/ekuiper/internal/plugin/wasm/runtime"
  19. "github.com/lf-edge/ekuiper/pkg/api"
  20. )
  21. func (m *Manager) Function(name string) (api.Function, error) {
  22. meta, ok := m.GetPluginMeta(plugin.FUNCTION, name)
  23. if !ok {
  24. return nil, nil
  25. }
  26. f, err := runtime.NewWasmFunc(name, meta)
  27. if err != nil {
  28. conf.Log.Errorf("Error creating function %v", err)
  29. return nil, err
  30. }
  31. return f, nil
  32. }
  33. func (m *Manager) HasFunctionSet(funcName string) bool {
  34. _, ok := m.reg.GetSymbol(plugin.FUNCTION, funcName)
  35. return ok
  36. }
  37. func (m *Manager) FunctionPluginInfo(funcName string) (plugin.EXTENSION_TYPE, string, string) {
  38. return plugin.NONE_EXTENSION, "", ""
  39. }
  40. func (m *Manager) ConvName(funcName string) (string, bool) {
  41. _, ok := m.GetPluginMeta(plugin.FUNCTION, funcName)
  42. return funcName, ok
  43. }