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object_definition.go
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object_definition.go
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/*
* Copyright 2022 Xiongfa Li.
*
* 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 bean
import (
"errors"
"github.com/xfali/neve-core/reflection"
"reflect"
"sync/atomic"
)
type objectDefinition struct {
name string
o interface{}
t reflect.Type
flagSet int32
flagDestroy int32
}
func newObjectDefinition(o interface{}) (Definition, error) {
t := reflect.TypeOf(o)
if t.Kind() == reflect.Ptr {
t2 := t.Elem()
if t2.Kind() == reflect.Ptr {
return nil, errors.New("o must be a Pointer but get Pointer's Pointer")
}
}
return &objectDefinition{
name: reflection.GetTypeName(t),
o: o,
t: t,
flagSet: 0,
flagDestroy: 0,
}, nil
}
func (d *objectDefinition) Type() reflect.Type {
return d.t
}
func (d *objectDefinition) Name() string {
return d.name
}
func (d *objectDefinition) Value() reflect.Value {
return reflect.ValueOf(d.o)
}
func (d *objectDefinition) Interface() interface{} {
return d.o
}
func (d *objectDefinition) IsObject() bool {
return true
}
func (d *objectDefinition) AfterSet() error {
// Just run once
if atomic.CompareAndSwapInt32(&d.flagSet, 0, 1) {
if v, ok := d.o.(Initializing); ok {
return v.BeanAfterSet()
}
}
return nil
}
func (d *objectDefinition) Destroy() error {
// Just run once
if atomic.CompareAndSwapInt32(&d.flagDestroy, 0, 1) {
if v, ok := d.o.(Disposable); ok {
return v.BeanDestroy()
}
}
return nil
}
func (d *objectDefinition) Classify(classifier Classifier) (bool, error) {
return classifier.Classify(d.o)
}