/// <summary>
/// 创建一个指定版本的服务。
/// </summary>
/// <param name="contractType">服务类型.</param>
/// <param name="version">需要的服务的版本号.</param>
/// <returns></returns>
public static IDomainService Create(Type contractType, Version version)
{
var impl = DomainServiceLocator.FindImpl(contractType, version);
if (impl != null)
{
return(Activator.CreateInstance(impl.ServiceType) as IDomainService);
}
return(null);
}
/// <summary>
/// 创建一个具体的服务。
/// </summary>
/// <param name="contractType">契约类型。</param>
/// <returns></returns>
public static IDomainService Create(Type contractType)
{
IDomainService res = null;
var impl = DomainServiceLocator.FindImpl(contractType);
if (impl != null)
{
res = Activator.CreateInstance(impl.ServiceType) as IDomainService;
if (res == null)
{
throw new InvalidProgramException(string.Format("{0} 类型必须实现 LCL.Domain.IService 接口。", impl.ServiceType));
}
}
if (res == null)
{
throw new InvalidProgramException(string.Format("没有注册实现 {0} 契约类型的服务，请在相应的服务类型上标记 ContractImplAttribute。", contractType));
}
return(res);
}