class factory, it searches the array for a template with a matching CLSID. Assuming it finds one, it creates a class factory that holds a pointer to the matching template. When the client callsIClassFactory::CreateInstance, the class factory calls the instantiation function defined in the ...
pDllGetClassObject GetClassObject = (pDllGetClassObject)::MemoryGetProcAddress(module,"DllGetClassObject");returnGetClassObject(clsid,iid,ppv); }// Create class factory.CFactory* pFactory =newCFactory;// Reference count set to 1// in constructorif(pFactory ==NULL) {returnE_OUTOFMEMORY ; }...
Product* (*create_product)(struct Factory*); } Factory; // define specific factoryA class typedef struct FactoryA { Factory factory; } FactoryA; // inplement factoryA create_product function Product* factoryA_create_product(Factory* factory) { Product* product = (Product*)malloc(sizeof(Prod...
This class provides a template used by the default class factory code. Create oneCFactoryTemplateobject in an array for every object class so that the default class factory code can create new instances. This class holds the name of the object, the object's class identifier (CLSID), and a...
//Factory.h /***/ #pragma once #include <iostream> #include "Prodect.h"using namespace std;// 抽象工厂类 class Factory { public: // 获取产品 virtual Prodect* getProdect() = 0; };// 具体工厂类-苹果 class AppleFactory : public Factory { public: /...
Include one factory template for each object in the DLL. When the DllGetClassObject function makes a new class factory, it searches the array for a template with a matching CLSID. Assuming it finds one, it creates a class factory that holds a pointer to the matching template. When the ...
aRetrieving the COM class factory for component with CLSID {4F59D87C-866F-4622-96B3-5778E028F84A} failed due to the following error: 80040154. 检索COM把工厂分类为组分与CLSID {4F59D87C-866F-4622-96B3-5778E028F84A}出故障由于以下错误: 80040154.[translate]...
{cout<<"Create productB"<<endl;}};classProductC:publicProduct{public:voidprintf(){cout<<"Create productC"<<endl;}};/* 工厂类 */classFactory{public:Product*CreateProduct(ProductType_t type);};Product*Factory::CreateProduct(ProductType_t type){Product*a=NULL;switch(type){caseTypeA:a=new...
//典型的具体产品类代码:classConcreteProductA : Product {//实现业务方法publicoverridevoidMethodDiff() {//业务方法的实现} } //典型的工厂类代码:classFactory {//静态工厂方法publicstaticProduct GetProduct(stringarg) { Product product=null;if(arg.Equals("A")) ...
Abstract Factory模式主要在于应对“新系列”的需求变动。其缺点在于难以应对“新对象”的需求变动。 cpp #include<iostream> class IDBConnection { public: virtual void ConnectionString() = 0; virtual ~IDBConnection() {} }; class IDBCommand { public: virtual void SetConnection() = 0; virtual ~IDBComma...