// Copyright (c) Shenyang Leading Edge Intelligent Technology Co., Ltd. All rights reserved.

package container

import (
	"errors"
	"fmt"
)

// 基本组件信息
// @Implement LAPP_LF_MOM_BACKEND/container/ComponentInformation
type ElementInformation struct {
	// 实例工厂
	factory Factory
	// 接口类型
	interfaceType Interface
}

// 创建服务组件信息
// 参数
// 1.工厂方法
// 返回值:
// 1.服务组件信息
// 2.错误
func NewElementInformation(factory interface{}) *ElementInformation {

	valueOfFactory, interfaceType := parseFactory(factory)
	return &ElementInformation{valueOfFactory, interfaceType}
}

// @Reference LAPP_LF_MOM_BACKEND/container/ComponentInformation.Interface
func (info *ElementInformation) Interface() Interface {
	return info.interfaceType
}

// @Reference LAPP_LF_MOM_BACKEND/container/ComponentInformation.IsGlobal
func (info *ElementInformation) IsGlobal() bool {
	return false
}

// @Reference LAPP_LF_MOM_BACKEND/container/ComponentInformation.BuildHandler
func (info *ElementInformation) BuildHandler(sessionContext *SessionContext) (ComponentHandler, error) {

	if sessionContext == nil {
		return nil, errors.New(fmt.Sprintf("会话上下文不能为空!"))
	}
	instance, err := info.factory.Create(sessionContext)
	if err != nil {
		return nil, err
	}
	return NewElementHandler(instance), nil
}