/// <summary>
/// 获取Session
/// </summary>
/// <param name="sessionId">session key</param>
/// <returns></returns>
public static async Task <AuthSession> GetSessionAsync(string sessionId)
{
if (string.IsNullOrWhiteSpace(sessionId))
{
return(null);
}
string subject = await CacheManager.String.GetAsync(sessionId, GetCacheObject()).ConfigureAwait(false);
var session = await GetSessionBySubjectAsync(subject).ConfigureAwait(false);
if (!(session?.AllowUse(sessionId: sessionId) ?? false))
{
await CacheManager.Keys.DeleteAsync(new DeleteOptions()
{
CacheObject = GetCacheObject(),
Keys = new List <CacheKey>()
{
ConstantCacheKey.Create(sessionId)
}
}).ConfigureAwait(false);
return(null);
}
return(session);
}
/// <summary>
/// 删除Session
/// </summary>
/// <param name="sessionKey">session键值</param>
/// <returns></returns>
public static async Task DeleteSessionAsync(string sessionKey)
{
if (string.IsNullOrWhiteSpace(sessionKey))
{
await Task.CompletedTask.ConfigureAwait(false);
}
string subject = await CacheManager.String.GetAsync(sessionKey, GetCacheObject()).ConfigureAwait(false);
if (string.IsNullOrWhiteSpace(subject))
{
return;
}
await CacheManager.Keys.DeleteAsync(new DeleteOptions()
{
CacheObject = GetCacheObject(),
Keys = new List <CacheKey>()
{
ConstantCacheKey.Create(sessionKey),
ConstantCacheKey.Create(subject)
}
}).ConfigureAwait(false);
}
/// <summary>
/// Get cache datas by condition
/// </summary>
/// <typeparam name="T">Data type</typeparam>
/// <param name="query">Query condition</param>
/// <param name="size">Return data size</param>
/// <returns></returns>
protected virtual QueryDataResult <T> GetCacheDatasByCondition <T>(IQuery query, int size)
{
Type entityType = typeof(T);
var entityConfiguration = EntityManager.GetEntityConfiguration(entityType);
if (entityConfiguration == null)
{
LogManager.LogError <DefaultDataCachePolicy>($"Entity :{entityType.FullName} configuration is null");
return(QueryDataResult <T> .Default());
}
var primaryKeys = entityConfiguration.PrimaryKeys;
if (primaryKeys.IsNullOrEmpty())
{
LogManager.LogError <T>($"Type：{entityType.FullName} no primary key is set,unable to get cache data");
return(new QueryDataResult <T>()
{
Datas = new List <T>(0),
QueryDatabase = true
});
}
var otherKeys = query.AllConditionFieldNames;
var cacheObject = new CacheObject()
{
ObjectName = entityType.Name
};
#region cache prefix keys
List <CacheKey> prefixDataKeys = new List <CacheKey>();
var cachePrefixKeys = entityConfiguration.CachePrefixKeys ?? new List <string>(0);
var prefixKeyValues = query.GetKeysEqualValue(cachePrefixKeys);
if (prefixKeyValues.Count != cachePrefixKeys.Count)
{
LogManager.LogError <T>($"Type：{entityType.FullName} miss cache prefix key values in IQuery");
return(new QueryDataResult <T>()
{
Datas = new List <T>(0),
QueryDatabase = true
});
}
int preIndex = 0;
foreach (var valItem in prefixKeyValues)
{
foreach (var prefixVal in valItem.Value)
{
if (preIndex == 0)
{
var prefixDataKey = new CacheKey();
prefixDataKey.AddName(valItem.Key, prefixVal?.ToString() ?? string.Empty);
prefixDataKeys.Add(prefixDataKey);
}
else
{
foreach (var pdk in prefixDataKeys)
{
pdk.AddName(valItem.Key, prefixVal?.ToString() ?? string.Empty);
}
}
}
preIndex++;
}
otherKeys = otherKeys.Except(cachePrefixKeys);
#endregion
List <CacheKey> dataCacheKeys = new List <CacheKey>(otherKeys.Count());
#region cache ignore keys
var cacheIgnoreKeys = entityConfiguration.CacheIgnoreKeys ?? new List <string>(0);
otherKeys = otherKeys.Except(cacheIgnoreKeys).ToList();
#endregion
#region primary keys
var primaryKeyValues = query.GetKeysEqualValue(primaryKeys);
bool fullPrimaryKey = primaryKeyValues.Count == primaryKeys.Count;
if (fullPrimaryKey)
{
otherKeys = otherKeys.Except(primaryKeys).ToList();
List <CacheKey> primaryCacheKeys = new List <CacheKey>();
int pindex = 0;
foreach (var valueItem in primaryKeyValues)
{
if (valueItem.Value.IsNullOrEmpty())
{
continue;
}
foreach (var primaryVal in valueItem.Value)
{
if (pindex == 0)
{
var primaryCacheKey = new CacheKey(cacheObject, prefixDataKeys);
primaryCacheKey.AddName(valueItem.Key, primaryVal?.ToString() ?? string.Empty);
primaryCacheKeys.Add(primaryCacheKey);
}
else
{
foreach (var cacheKey in primaryCacheKeys)
{
cacheKey.AddName(valueItem.Key, primaryVal?.ToString() ?? string.Empty);
}
}
}
pindex++;
}
dataCacheKeys.AddRange(primaryCacheKeys);
}
#endregion
#region cache fields
var cacheFields = entityConfiguration.CacheKeys ?? new List <string>(0);
List <CacheKey> cacheFieldCacheKeys = null;
if (!cacheFields.IsNullOrEmpty())
{
var dataCacheFieldValues = query.GetKeysEqualValue(cacheFields);
if (!dataCacheFieldValues.IsNullOrEmpty())
{
otherKeys = otherKeys.Except(dataCacheFieldValues.Keys).ToList();
cacheFieldCacheKeys = new List <CacheKey>();
foreach (var valueItem in dataCacheFieldValues)
{
if (valueItem.Value.IsNullOrEmpty())
{
continue;
}
foreach (var val in valueItem.Value)
{
var cacheKey = new CacheKey(cacheObject, prefixDataKeys);
cacheKey.AddName(valueItem.Key, val?.ToString() ?? string.Empty);
cacheFieldCacheKeys.Add(cacheKey);
}
}
dataCacheKeys.AddRange(CacheManager.String.Get(cacheFieldCacheKeys, cacheObject).Select(c => ConstantCacheKey.Create(c)));
}
}
#endregion
bool needSort = query != null && !query.Orders.IsNullOrEmpty();
if (dataCacheKeys.IsNullOrEmpty() || (!otherKeys.IsNullOrEmpty() && needSort))
{
LogManager.LogInformation <DefaultDataCachePolicy>($"Type：{entityType.FullName},IQuery has any other criterias without cache keys and need sort");
return(new QueryDataResult <T>()
{
QueryDatabase = true,
Datas = new List <T>(0)
});
}
dataCacheKeys = dataCacheKeys.Distinct().ToList();
int removeCount = 0;
var queryConditionFunc = query.GetQueryExpression <T>(); //query condition
List <T> dataList = new List <T>();
size = size < 0 ? 0 : size; //return value count
bool notQueryDb = false;
CacheManager.GetDataList <T>(dataCacheKeys, cacheObject).ForEach(data =>
{
if (data != null && (queryConditionFunc?.Invoke(data) ?? true))
{
dataList.Add(data);
}
else
{
removeCount += data != null || DataCacheManager.Configuration.EnableCacheNullData ? 1 : 0;
}
});
if (otherKeys.IsNullOrEmpty())
{
size = size <= 0 ? dataCacheKeys.Count : (size > dataCacheKeys.Count ? dataCacheKeys.Count : size);
notQueryDb = dataList.Count >= size - removeCount;
if (notQueryDb && needSort)
{
dataList = query.Sort(dataList).ToList();
}
}
else
{
notQueryDb = size > 0 && dataList.Count >= size;
}
return(new QueryDataResult <T>()
{
QueryDatabase = !notQueryDb,
QuriedCache = true,
PrimaryCacheKeys = dataCacheKeys,
OtherCacheKeys = cacheFieldCacheKeys,
Datas = dataList
});
}
