/// <summary>
/// 标识为删除
/// </summary>
/// <param name="cacheKey">缓存项标识</param>
/// <param name="entity">缓存的实体</param>
/// <param name="cachingExpirationType">缓存期限类型</param>
public async Task MarkDeletionAsync(string cacheKey, IEntity entity, CachingExpirationType cachingExpirationType)
{
if (entity is IDelEntity)
{
(entity as IDelEntity).IsDeletedInDatabase = true;
}
await this.RemoveAsync(cacheKey);
}
/// <summary>
/// 标识为删除
/// </summary>
/// <param name="cacheKey">缓存项标识</param>
/// <param name="entity">缓存的实体</param>
/// <param name="cachingExpirationType">缓存期限类型</param>
public void MarkDeletion(string cacheKey, IEntity entity, CachingExpirationType cachingExpirationType)
{
if (entity is IDelEntity)
{
(entity as IDelEntity).IsDeletedInDatabase = true;
}
this.Remove(cacheKey);
}
/// <summary>
/// 获取前topNumber条Entity（启用缓存）
/// </summary>
/// <remarks>
/// 一次性取出前SecondaryMaxRecords条记录
/// </remarks>
/// <param name="topNumber"></param>
/// <param name="cachingExpirationTypes">缓存策略</param>
/// <param name="getCacheKey">生成cacheKey的委托（CacheKey不要与topNumber相关）</param>
/// <param name="generateSql">生成PetaPoco.Sql的委托</param>
/// <returns></returns>
protected virtual IEnumerable <TEntity> GetTopEntities(int topNumber, CachingExpirationType cachingExpirationTypes, Func <string> getCacheKey, Func <PetaPoco.Sql> generateSql)
{
PagingEntityIdCollection peic = null;
string cacheKey = getCacheKey();
peic = cacheService.Get <PagingEntityIdCollection>(cacheKey);
if (peic == null)
{
IEnumerable <object> entityIds = CreateDAO().FetchTopPrimaryKeys <TEntity>(SecondaryMaxRecords, generateSql());
peic = new PagingEntityIdCollection(entityIds);
cacheService.Add(cacheKey, peic, cachingExpirationTypes);
}
IEnumerable <object> topEntityIds = peic.GetTopEntityIds(topNumber);
return(PopulateEntitiesByEntityIds(topEntityIds));
}
/// <summary>
/// 获取分页查询数据（启用缓存）
/// </summary>
/// <param name="pageSize">每页记录数</param>
/// <param name="pageIndex">当前页码(从1开始)</param>
/// <param name="cachingExpirationTypes">缓存策略</param>
/// <param name="getCacheKey">生成cacheKey的委托</param>
/// <param name="generateSql">生成PetaPoco.Sql的委托</param>
/// <returns></returns>
protected virtual PagingDataSet <TEntity> GetPagingEntities(int pageSize, int pageIndex, CachingExpirationType cachingExpirationTypes, Func <string> getCacheKey, Func <PetaPoco.Sql> generateSql)
{
PagingEntityIdCollection peic = null;
//modified by jiangshl:分页过大时缓存多页没有意义，所以加了pageSize <= SecondaryMaxRecords的限制
if (pageIndex < CacheablePageCount && pageSize <= SecondaryMaxRecords)
{
string cacheKey = getCacheKey();
peic = cacheService.Get <PagingEntityIdCollection>(cacheKey);
if (peic == null)
{
peic = CreateDAO().FetchPagingPrimaryKeys <TEntity>(PrimaryMaxRecords, pageSize * CacheablePageCount, 1, generateSql());
peic.IsContainsMultiplePages = true;
cacheService.Add(cacheKey, peic, cachingExpirationTypes);
}
}
else
{
peic = CreateDAO().FetchPagingPrimaryKeys <TEntity>(PrimaryMaxRecords, pageSize, pageIndex, generateSql());
}
IEnumerable <TEntity> entitiesOfPage = PopulateEntitiesByEntityIds(peic.GetPagingEntityIds(pageSize, pageIndex));
PagingDataSet <TEntity> pagingEntities = new PagingDataSet <TEntity>(entitiesOfPage)
{
PageIndex = pageIndex,
PageSize = pageSize,
TotalRecords = peic.TotalRecords
};
return(pagingEntities);
}
/// <summary>
///
/// </summary>
/// <param name="cacheKey"></param>
/// <param name="value"></param>
/// <param name="cachingExpirationType"></param>
public void Set(string cacheKey, object value, CachingExpirationType cachingExpirationType)
{
Set(cacheKey, value, cachingExpirationDictionary[cachingExpirationType]);
}
/// <summary>
///
/// </summary>
/// <param name="cacheKey"></param>
/// <param name="entity"></param>
/// <param name="cachingExpirationType"></param>
public void MarkDeletion(string cacheKey, IEntity entity, CachingExpirationType cachingExpirationType)
{
entity.IsDeletedInDatabase = true;
cache.MarkDeletion(cacheKey, entity, cachingExpirationDictionary[cachingExpirationType]);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="cacheKey"></param>
/// <param name="values"></param>
/// <param name="cachingExpirationType"></param>
public void SetList <T>(string cacheKey, IEnumerable <T> values, CachingExpirationType cachingExpirationType)
{
cache.SetList(cacheKey, values, cachingExpirationDictionary[cachingExpirationType]);
}
protected virtual System.Collections.Generic.IEnumerable <TEntity> GetTopEntities(int topNumber, CachingExpirationType cachingExpirationTypes, Func <string> getCacheKey, Func <Sql> generateSql)
{
string cacheKey = getCacheKey();
PagingEntityIdCollection pagingEntityIdCollection = this.cacheService.Get <PagingEntityIdCollection>(cacheKey);
if (pagingEntityIdCollection == null)
{
System.Collections.Generic.IEnumerable <object> entityIds = this.CreateDAO().FetchTopPrimaryKeys <TEntity>(this.SecondaryMaxRecords, generateSql());
pagingEntityIdCollection = new PagingEntityIdCollection(entityIds);
this.cacheService.Add(cacheKey, pagingEntityIdCollection, cachingExpirationTypes);
}
System.Collections.Generic.IEnumerable <object> topEntityIds = pagingEntityIdCollection.GetTopEntityIds(topNumber);
return(this.PopulateEntitiesByEntityIds <object>(topEntityIds));
}
protected virtual PagingDataSet <TEntity> GetPagingEntities(int pageSize, int pageIndex, CachingExpirationType cachingExpirationTypes, Func <string> getCacheKey, Func <Sql> generateSql)
{
PagingEntityIdCollection pagingEntityIdCollection;
if (pageIndex < this.CacheablePageCount && pageSize <= this.SecondaryMaxRecords)
{
string cacheKey = getCacheKey();
pagingEntityIdCollection = this.cacheService.Get <PagingEntityIdCollection>(cacheKey);
if (pagingEntityIdCollection == null)
{
pagingEntityIdCollection = this.CreateDAO().FetchPagingPrimaryKeys <TEntity>((long)this.PrimaryMaxRecords, pageSize * this.CacheablePageCount, 1, generateSql());
pagingEntityIdCollection.IsContainsMultiplePages = true;
this.cacheService.Add(cacheKey, pagingEntityIdCollection, cachingExpirationTypes);
}
}
else
{
pagingEntityIdCollection = this.CreateDAO().FetchPagingPrimaryKeys <TEntity>((long)this.PrimaryMaxRecords, pageSize, pageIndex, generateSql());
}
System.Collections.Generic.IEnumerable <TEntity> entities = this.PopulateEntitiesByEntityIds <object>(pagingEntityIdCollection.GetPagingEntityIds(pageSize, pageIndex));
return(new PagingDataSet <TEntity>(entities)
{
PageIndex = pageIndex,
PageSize = pageSize,
TotalRecords = pagingEntityIdCollection.TotalRecords
});
}
/// <summary>
/// 添加到缓存
/// </summary>
/// <param name="cacheKey">缓存项标识</param>
/// <param name="value">缓存项</param>
/// <param name="cachingExpirationType">缓存期限类型</param>
public void Add(string cacheKey, object value, CachingExpirationType cachingExpirationType)
{
this.Add(cacheKey, value, this.cachingExpirationDictionary[cachingExpirationType]);
}
/// <summary>
/// 添加或更新缓存
/// </summary>
/// <param name="cacheKey">缓存项标识</param>
/// <param name="value">缓存项</param>
/// <param name="cachingExpirationType">缓存期限类型</param>
public async Task SetAsync(string cacheKey, object value, CachingExpirationType cachingExpirationType)
{
await this.SetAsync(cacheKey, value, this.cachingExpirationDictionary[cachingExpirationType]);
}
public virtual PagingDataSet <TEntity> GetPagingEntities(int pageSize, int pageIndex, CachingExpirationType cachingExpirationTypes, Func <string> getCacheKey, Func <Sql> generateSql)
{
PagingEntityIdCollection ids = null;
if ((pageIndex < this.CacheablePageCount) && (pageSize <= this.SecondaryMaxRecords))
{
string cacheKey = getCacheKey.Invoke();
ids = this.cacheService.Get <PagingEntityIdCollection>(cacheKey);
if (ids == null)
{
ids = this.CreateDAO().FetchPagingPrimaryKeys <TEntity>((long)this.PrimaryMaxRecords, pageSize * this.CacheablePageCount, 1, generateSql.Invoke());
ids.IsContainsMultiplePages = true;
this.cacheService.Add(cacheKey, ids, cachingExpirationTypes);
}
}
else
{
ids = this.CreateDAO().FetchPagingPrimaryKeys <TEntity>((long)this.PrimaryMaxRecords, pageSize, pageIndex, generateSql.Invoke());
}
return(new PagingDataSet <TEntity>(this.PopulateEntitiesByEntityIds <object>(ids.GetPagingEntityIds(pageSize, pageIndex)))
{
PageIndex = pageIndex, PageSize = pageSize, TotalRecords = ids.TotalRecords
});
}
