/// <summary>
/// 根据Key获取实体
/// </summary>
/// <param name="keyValue">实体键</param>
/// <returns>返回查询结果</returns>
/// <exception cref="AccessException">不允许读取时抛出此异常</exception>
public virtual TEntity GetByKey(object keyValue)
{
if (CheckAccess(OnCanRead))
{
TEntity entity = null;
Invoke(() => entity = _context.FindById <TEntity>(keyValue.ToString()));
return(entity);
}
throw new AccessException("CanRead");
}
/// <summary>Finds a user</summary>
/// <param name="userId">用户编号</param>
/// <returns>返回查询到的用户实体</returns>
public Task <TUser> FindByIdAsync(string userId, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(userId))
{
throw new ArgumentException("Null or empty argument: userId");
}
return(TaskHelper.RunTask(() =>
{
var result = _objectStorage.FindById <TUser>(userId);
return result;
}));
}
/// <summary>
/// 根据一组key获取实体
/// </summary>
/// <param name="keyValues">一组查询条件</param>
/// <returns>返回查询到的实例</returns>
/// <exception cref="System.InvalidOperationException">查询时可能会抛出异常</exception>
/// <exception cref="AccessException">不允许读取时抛出此异常</exception>
public virtual TEntity GetByKeys(params object[] keyValues)
{
if (CheckAccess(OnCanRead))
{
TEntity entity = null;
Invoke(() =>
{
foreach (object t in keyValues)
{
entity = Context.FindById <TEntity>(t.ToString());
if (entity != null)
{
break;
}
}
});
return(entity);
}
throw new AccessException("CanRead");
}
/// <summary>Find a role by id</summary>
/// <param name="roleId">角色编号</param>
/// <returns>返回角色</returns>
public Task <TRole> FindByIdAsync(string roleId, CancellationToken cancellationToken)
{
return(TaskHelper.RunTask(() => _objectStorage.FindById <TRole>(roleId)));
}