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postprocessor.go
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postprocessor.go
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// Copyright 2018 John Deng (hi.devops.io@gmail.com).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package app
import (
"hidevops.io/hiboot/pkg/factory"
)
// PostProcessor is the post processor
type PostProcessor interface {
AfterInitialization()
}
type postProcessor struct {
factory factory.InstantiateFactory
subscribes []PostProcessor
}
func newPostProcessor(factory factory.InstantiateFactory) *postProcessor {
return &postProcessor{
factory: factory,
}
}
var (
postProcessors []interface{}
)
func init() {
}
// RegisterPostProcessor register post processor
func RegisterPostProcessor(p ...interface{}) {
postProcessors = append(postProcessors, p...)
}
// Init init the post processor
func (p *postProcessor) Init() {
for _, processor := range postProcessors {
ss, err := p.factory.InjectIntoFunc(processor)
if err == nil {
p.subscribes = append(p.subscribes, ss.(PostProcessor))
}
}
}
// AfterInitialization post processor after initialization
func (p *postProcessor) AfterInitialization() {
for _, processor := range p.subscribes {
p.factory.InjectIntoFunc(processor)
processor.AfterInitialization()
}
}