65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Copyright (c) 2019 Uber Technologies, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package fx
|
|
|
|
import (
|
|
"context"
|
|
|
|
"go.uber.org/fx/internal/lifecycle"
|
|
)
|
|
|
|
// Lifecycle allows constructors to register callbacks that are executed on
|
|
// application start and stop. See the documentation for App for details on Fx
|
|
// applications' initialization, startup, and shutdown logic.
|
|
type Lifecycle interface {
|
|
Append(Hook)
|
|
}
|
|
|
|
// A Hook is a pair of start and stop callbacks, either of which can be nil.
|
|
// If a Hook's OnStart callback isn't executed (because a previous OnStart
|
|
// failure short-circuited application startup), its OnStop callback won't be
|
|
// executed.
|
|
type Hook struct {
|
|
OnStart func(context.Context) error
|
|
OnStop func(context.Context) error
|
|
}
|
|
|
|
type lifecycleWrapper struct{ *lifecycle.Lifecycle }
|
|
|
|
func (l *lifecycleWrapper) Append(h Hook) {
|
|
l.Lifecycle.Append(lifecycle.Hook{
|
|
OnStart: h.OnStart,
|
|
OnStop: h.OnStop,
|
|
})
|
|
}
|
|
|
|
func (l *lifecycleWrapper) startHookRecords() lifecycle.HookRecords {
|
|
return l.StartHookRecords()
|
|
}
|
|
|
|
func (l *lifecycleWrapper) stopHookRecords() lifecycle.HookRecords {
|
|
return l.StopHookRecords()
|
|
}
|
|
|
|
func (l *lifecycleWrapper) runningHookCaller() string {
|
|
return l.RunningHookCaller()
|
|
}
|