// TODO: performance
private static IEntity findByIdFromChild(int id, EntityInfo entityInfo)
{
foreach (EntityInfo ei in entityInfo.ChildEntityList)
{
IEntity result = ObjectDB.FindById(id, new ObjectInfo(ei));
if (result != null)
{
return(result);
}
}
return(null);
}
/// <summary>
/// 根据 id 查询对象
/// </summary>
/// <param name="t">对象的类型</param>
/// <param name="id">对象的 id</param>
/// <returns></returns>
public static IEntity findById(Type t, long id)
{
if (id < 0)
{
return(null);
}
IEntity objCache = ObjectPool.FindOne(t, id);
if (objCache == null)
{
ObjectInfo state = new ObjectInfo(t);
objCache = ObjectDB.FindById(id, state);
ObjectPool.Add(objCache);
}
return(objCache);
}
private static IEntity setEntityProperty(IEntity obj, int id, ObjectInfo state)
{
if (obj == null)
{
return(null);
}
IList entityPropertyList = state.EntityInfo.EntityPropertyList;
foreach (EntityPropertyInfo ep in entityPropertyList)
{
if (!isPropertyInIncluder(ep, state.Includer.EntityPropertyList))
{
continue;
}
IEntity propertyValue = obj.get(ep.Name) as IEntity;
if (propertyValue == null)
{
continue;
}
int pid = propertyValue.Id;
if (pid <= 0)
{
continue;
}
IEntity cachedValue = ObjectPool.FindOne(ep.Type, pid);
if (cachedValue == null)
{
propertyValue = ObjectDB.FindById(pid, new ObjectInfo(ep.Type));
ObjectPool.Add(propertyValue);
}
else
{
propertyValue = cachedValue;
}
ValueSetter.setEntityByCheckNull(obj, ep, propertyValue, pid);
}
return(obj);
}
/// <summary>
/// 根据 id 查询对象
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="id"></param>
/// <returns></returns>
public static T findById <T>(int id) where T : IEntity
{
if (id < 0)
{
return(default(T));
}
IEntity objCache = ObjectPool.FindOne(typeof(T), id);
if (objCache == null)
{
ObjectInfo state = new ObjectInfo(typeof(T));
objCache = ObjectDB.FindById(id, state);
ObjectPool.Add(objCache);
}
return((T)objCache);
}