internal static void TryAddService(Type serviceType)
{
//找到在 serviceType 上标记的所有 ContractImplAttribute，并构造对应的 ContractImpl 对象，加入到列表中。
var attriList = serviceType.GetCustomAttributes(typeof(ContractImplAttribute), false);
foreach (ContractImplAttribute attri in attriList)
{
var impl = new ContractImpl
{
ServiceType = serviceType,
ContractType = attri.ContractType ?? serviceType,
Version = new Version(attri.Version),
};
if (!impl.ContractType.HasMarked <ContractAttribute>())
{
throw new InvalidProgramException(string.Format(
"{0} 类型实现了契约类型 {1} ，需要为这个契约添加 ContractAttribute 标记。", serviceType, impl.ContractType
));
}
//找到对应的列表，如果不存在，则添加一个新的列表。
ContractImplList list = null;
if (!_allServices.TryGetValue(impl.ContractType, out list))
{
list = new ContractImplList(impl.ContractType);
_allServices.Add(impl.ContractType, list);
}
list.Add(impl);
}
}
internal static ContractImpl FindImpl(Type contractType)
{
ContractImplList list = null;
if (_allServices.TryGetValue(contractType, out list))
{
return(list.Default());
}
return(null);
}
internal static ContractImpl FindImpl(Type contractType, Version version)
{
ContractImplList list = null;
if (_allServices.TryGetValue(contractType, out list))
{
var res = list.Find(version);
if (res != null)
{
return(res);
}
}
return(null);
}
internal static ContractImpl FindImpl(Type contractType)
{
//try
//{
// _lock.EnterReadLock();
ContractImplList list = null;
if (_allServices.TryGetValue(contractType, out list))
{
return(list.Default());
}
//}
//finally
//{
// _lock.ExitReadLock();
//}
return(null);
}
internal static ContractImpl FindImpl(Type contractType, Version version)
{
//try
//{
// _lock.EnterReadLock();
ContractImplList list = null;
if (_allServices.TryGetValue(contractType, out list))
{
var res = list.Find(version);
if (res != null)
{
return(res);
}
}
//}
//finally
//{
// _lock.ExitReadLock();
//}
return(null);
}
