[英]C# Interface Different Variable Types in Repository Methods
我想实现一个接口和存储库模式。 我不同的存储库可以具有类型数据类型,
第一个是(String-int,char-long)
第二个是(字符双,双字符串)。 模式不断发展,我们有大约50种不同的方法,我们正在将接口/存储库更改为另一个数据库系统等。
如何编辑下面的界面,以允许不同的数据类型? 谢谢,
public interface ITransactionRepository
{
void SearchTransactionbyCategoryCustomerId(Category, CustomerId ); // what should I write here?
void SearchTransactionbyProductDepartment(Product, Department);
......
}
public class TransactionRepository1: IRepository
{
void SearchTransactionbyCategoryCustomerId(string Category, int CustomerId);
void SearchTransactionbyProductDepartment(char Product, long Department);
......
}
public class TransactionRepository2: IRepository
{
void SearchTransactionbyCategoryCustomerId(char Category, double CustomerId);
void SearchTransactionbyProductDepartment(double Product, string Department);
......
}
将您的接口定义为通用接口,并在实现中指定实际的类型,
public interface ITransactionRepository<TCategory, TCustomerId, TProduct, TDepartment>
{
void SearchTransactionbyCategoryCustomerId(TCategory Category, TCustomerId CustomerId );
void SearchTransactionbyProductDepartment(TProduct Product, TDepartment Department);
......
}
public class TransactionRepository1: ITransactionRepository<string, int, char, long>
{
void SearchTransactionbyCategoryCustomerId(string Category, int CustomerId);
void SearchTransactionbyProductDepartment(char Product, long Department);
......
}
public class TransactionRepository2: ITransactionRepository<char, double, double, string>
{
void SearchTransactionbyCategoryCustomerId(char Category, double CustomerId);
void SearchTransactionbyProductDepartment(double Product, string Department);
......
}
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