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autoconfigure.go
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autoconfigure.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 (
"github.com/hidevopsio/hiboot/pkg/at"
"github.com/hidevopsio/hiboot/pkg/factory"
"github.com/hidevopsio/hiboot/pkg/inject/annotation"
"reflect"
)
// Configuration is the base configuration
type Configuration struct {
at.AutoConfiguration
RuntimeDeps factory.Deps
}
// appendParam is the common func to append meta data to meta data slice
func appendParam(container []*factory.MetaData, params ...interface{}) (retVal []*factory.MetaData, err error) {
retVal = container
// parse meta data
metaData := factory.NewMetaData(params...)
// append meta data
if metaData.MetaObject != nil {
ok := annotation.Contains(metaData.MetaObject, at.AutoConfiguration{})
if ok {
configContainer = append(configContainer, metaData)
} else {
retVal = append(retVal, metaData)
}
//return
}
//err = ErrInvalidObjectType
return
}
// appendParams is the common func to append params to component or configuration containers
func appendParams(container []*factory.MetaData, params ...interface{}) (retVal []*factory.MetaData, err error) {
retVal = container
if len(params) == 0 || params[0] == nil {
err = ErrInvalidObjectType
return
}
if len(params) > 1 && reflect.TypeOf(params[0]).Kind() != reflect.String {
for _, param := range params {
retVal, err = appendParam(retVal, param)
}
} else {
retVal, err = appendParam(retVal, params...)
}
return
}
// IncludeProfiles include specific profiles
func IncludeProfiles(profiles ...string) {
Profiles = append(Profiles, profiles...)
}
// Register register a struct instance or constructor (func), so that it will be injectable.
func Register(params ...interface{}) {
// appendParams will append the object that annotated with at.AutoConfiguration
componentContainer, _ = appendParams(componentContainer, params...)
return
}
// AutoConfiguration register auto configuration struct
// Deprecated: should use app.Register() instead.
var AutoConfiguration = Register
// Component register all component into container
// Deprecated: should use app.Register() instead.
var Component = Register