/// <summary>
/// 缓存这些对象
/// </summary>
/// <returns>数据</returns>
public void RemoveCache <TData>(long id)
{
if (id > 0)
{
Client.Remove(DataKeyBuilder.DataKey <TData>(id));
}
}
/// <summary>
/// 如果没有缓存过这些对象,就缓存它
/// </summary>
/// <param name="lambda">查询表达式</param>
/// <param name="keyFunc">设置键的方法,可为空</param>
/// <returns>数据</returns>
public void TryCacheData <TData, TDataAccess>(Expression <Func <TData, bool> > lambda, Func <TData, string> keyFunc = null)
where TDataAccess : IDataTable <TData>, new()
where TData : EditDataObject, IIdentityData, new()
{
var key = DataKeyBuilder.DataKey <TData>(0);
var date = GetValue <DateTime>(key);
if (date == DateTime.MinValue)
{
CacheData <TData, TDataAccess>(lambda, keyFunc);
}
}
/// <summary>
/// 缓存这些对象
/// </summary>
/// <returns>数据</returns>
public async Task RefreshCache <TData, TDataAccess>(long id, Func <TData, bool> lambda = null)
where TDataAccess : IDataTable <TData>, new()
where TData : EditDataObject, IIdentityData, new()
{
if (id <= 0)
{
return;
}
var access = new TDataAccess();
var data = await access.LoadByPrimaryKeyAsync(id);
if (data != null && (lambda == null || lambda(data)))
{
await Set(DataKeyBuilder.DataKey(data), data);
}
else
{
await Redis.RemoveKey(DataKeyBuilder.DataKey <TData>(id));
}
}
/// <summary>
/// 缓存这些对象
/// </summary>
/// <returns>数据</returns>
public Task ClearCache <TData>()
{
return(FindAndRemoveKey(DataKeyBuilder.DataKey <TData>("*")));
}
/// <summary>
/// 缓存数据
/// </summary>
/// <typeparam name="TData"></typeparam>
/// <param name="data">键的组合</param>
/// <returns></returns>
public void SetEntity <TData>(TData data) where TData : class, IIdentityData
{
Set(DataKeyBuilder.DataKey(data), data);
}
/// <summary>
/// 读缓存
/// </summary>
/// <typeparam name="TData"></typeparam>
/// <param name="id">键的组合</param>
/// <param name="def">默认值</param>
/// <returns></returns>
public TData GetEntity <TData>(long id, TData def = null) where TData : class, new()
{
return(id == 0 ? def ?? new TData() : Get <TData>(DataKeyBuilder.DataKey <TData>(id)) ?? def ?? new TData());
}
/// <summary>
/// 缓存这些对象
/// </summary>
/// <returns>数据</returns>
public void ClearCache <TData>()
{
FindAndRemoveKey(DataKeyBuilder.DataKey <TData>("*"));
}
