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57 lines
1.5 KiB
57 lines
1.5 KiB
// Copyright (c) Shenyang Leading Edge Intelligent Technology Co., Ltd. All rights reserved.
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package container
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import (
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"errors"
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"fmt"
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)
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// 服务组件句柄
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// @Implement LAPP_LF_MOM_BACKEND/container/ComponentHandler
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type ServiceHandler struct {
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// @Inherit LAPP_LF_MOM_BACKEND/container/ElementHandler
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ElementHandler
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// 方法句柄映射: map[方法名]方法句柄
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methodMapping map[string]*ServiceMethodHandler
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}
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// 创建服务组件句柄
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// 参数
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// 1.服务组件实例
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// 2.方法句柄映射: map[方法名]方法句柄
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// 返回值:
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// 1.服务组件句柄
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// 2.错误
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func NewServiceHandler(instance Instance, methodMapping map[string]*ServiceMethodHandler) (*ServiceHandler, error) {
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if methodMapping == nil {
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return nil, errors.New(fmt.Sprintf("方法句柄映射不能为空!"))
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}
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if len(methodMapping) > 0 {
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for methodName, methodHandler := range methodMapping {
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if methodName == "" {
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return nil, errors.New(fmt.Sprintf("方法名不能为空!"))
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}
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if methodHandler == nil {
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return nil, errors.New(fmt.Sprintf("方法句柄不能为空!"))
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}
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}
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}
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return &ServiceHandler{ElementHandler{instance}, methodMapping}, nil
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}
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// 创建获取方法句柄
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// 参数
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// 1.方法名
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// 返回值:
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// 1.方法句柄
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func (handler *ServiceHandler) Method(methodName string) *ServiceMethodHandler {
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if methodName == "" {
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return nil
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}
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serviceMethodHandler, ok := handler.methodMapping[methodName]
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if !ok {
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return nil
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}
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return serviceMethodHandler
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}
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