public static void ClearExpireData(CacheKeyMapDescriptor cacheKeyMap)
{
Task.Factory.StartNew(() =>
{
lock (cacheKeyMap)
{
MongoCollection <MongoDBCacheEntity> collection2 = DistributedCacheHelper.GetMongoDBCollection(cacheKeyMap.CacheId, cacheKeyMap.Cachelimit);
var query = Query.And(
Query.EQ("_id", cacheKeyMap.CacheId)
);
WriteConcernResult res2 = collection2.Remove(query);
string tableName = MongoDBCacheConfiguration.TableName + DateTime.Now.AddDays(-1).ToString("yyMMdd");
string expireDateTableName = MongoDBCacheConfiguration.TableName + "ByExpireDate";
if (collection2.Database.CollectionExists(tableName))
{
collection2.Database.DropCollection(tableName); //清空前一天的数据集合
}
if (collection2.Database.CollectionExists(expireDateTableName))
{
query = Query.And(
Query.LTE("ExpireDate", DateTime.Now)
);
collection2.Database.GetCollection <MongoDBCacheEntity>(expireDateTableName).Remove(query);
}
CacheKeyMapManger.Instance.DeleteCacheKeyMap(CacheExpire.Expired);
tableName = null;
}
});
}
/// <summary>
/// 找到所在机子的连接字符串
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public string ResolvePartition(object key)
{
string cacheId = (string)key;
string prefix;
string realId;
if (!DistributedCacheHelper.ParseCacheID(cacheId, out prefix, out realId))
{
return(string.Empty);
}
return(MongoDBCacheConfiguration.CacheIdentityDBMap[prefix]);
}