internal static void Delete <TEntity>(DbContext dbContext, Expression <Func <TEntity, bool> > filter)
{
//1.清空Query缓存中关于该表的所有缓存记录
QueryCacheManager.FlushTableCache(dbContext);
//2.更新Table缓存中的该表记录
TableCacheManager.DeleteCache(dbContext, filter);
}
internal static void Add <TEntity>(DbContext dbContext, IEnumerable <TEntity> entities)
{
//1.清空Query缓存中关于该表的所有缓存记录
QueryCacheManager.FlushTableCache(dbContext);
//2.更新Table缓存中的该表记录
TableCacheManager.AddCache(dbContext, entities);
}
internal static T GetObject <T>(DbContext dbContext, Func <T> func) where T : class
{
//1.判断是否在一级QueryCahe中
var result = QueryCacheManager.GetEntitiesFromCache <T>(dbContext);
//2.如果都没有，则直接从逻辑中获取
if (result == null)
{
result = func();
dbContext.IsFromCache = false;
//3.Query缓存存储逻辑（内涵缓存开启校验）
QueryCacheManager.CacheData(dbContext, result);
}
return(result);
}
internal static TEntity GetEntity <TEntity>(DbContext dbContext, Expression <Func <TEntity, bool> > filter, Func <TEntity> func) where TEntity : class
{
//1.判断是否在二级TableCache，如果没有，则进行二级缓存初始化逻辑
var result = TableCacheManager.GetEntitiesFromCache(dbContext, filter)?.FirstOrDefault();
//2.判断是否在一级QueryCahe中
if (result == null)
{
result = QueryCacheManager.GetEntitiesFromCache <TEntity>(dbContext);
}
//3.如果都没有，则直接从逻辑中获取
if (result == null)
{
result = func();
dbContext.IsFromCache = false;
//4.Query缓存存储逻辑（内涵缓存开启校验）
QueryCacheManager.CacheData(dbContext, result);
}
return(result);
}
internal static List <TEntity> GetEntities <TEntity>(DbContext dbContext, Expression <Func <TEntity, bool> > filter, Func <List <TEntity> > func) where TEntity : class
{
//1.判断是否在二级TableCache，如果没有，则进行二级缓存初始化逻辑
var entities = TableCacheManager.GetEntitiesFromCache(dbContext, filter);
//2.判断是否在一级QueryCahe中
if (entities == null || !entities.Any())
{
entities = QueryCacheManager.GetEntitiesFromCache <List <TEntity> >(dbContext);
}
//3.如果都没有，则直接从逻辑中获取
if (entities == null || !entities.Any())
{
entities = func();
dbContext.IsFromCache = false;
//4.Query缓存存储逻辑（内涵缓存开启校验）
QueryCacheManager.CacheData(dbContext, entities);
}
return(entities);
}
/// <summary>
/// 清空单个表相关的所有缓存
/// </summary>
internal static void FlushCurrentTableCache(DbContext dbContext)
{
QueryCacheManager.FlushTableCache(dbContext);
TableCacheManager.FlushTableCache(dbContext);
}