/// <summary>
/// 根据条件更新特定的实例。
/// </summary>
/// <param name="expression">条件表达式。</param>
/// <param name="fields">更新对象。</param>
/// <param name="cancellationToken">取消标识。</param>
/// <returns>返回更新结果。</returns>
public virtual async Task <DataResult> UpdateAsync(Expression <Predicate <TModel> > expression, object fields,
CancellationToken cancellationToken = default)
{
return(DataResult.FromResult(await Context.UpdateAsync(expression, fields, cancellationToken),
DataAction.Updated));
}
/// <summary>
/// 根据条件更新特定的实例。
/// </summary>
/// <param name="expression">条件表达式。</param>
/// <param name="fields">更新对象。</param>
/// <returns>返回更新结果。</returns>
public virtual DataResult Update(Expression <Predicate <TModel> > expression, object fields)
{
return(DataResult.FromResult(Context.Update(expression, fields), DataAction.Updated));
}
/// <summary>
/// 根据条件删除实例。
/// </summary>
/// <param name="expression">条件表达式。</param>
/// <returns>返回删除结果。</returns>
public virtual DataResult Delete(Expression <Predicate <TModel> > expression)
{
return(DataResult.FromResult(Context.Delete(expression), DataAction.Deleted));
}
/// <summary>
/// 根据条件删除实例。
/// </summary>
/// <param name="expression">条件表达式。</param>
/// <param name="cancellationToken">取消标识。</param>
/// <returns>返回删除结果。</returns>
public virtual async Task <DataResult> DeleteAsync(Expression <Predicate <TModel> > expression,
CancellationToken cancellationToken = default)
{
return(DataResult.FromResult(await Context.DeleteAsync(expression, cancellationToken), DataAction.Deleted));
}
