/// <summary>
/// 获取自动增加后的编号
/// </summary>
/// <param name="idTypes">自动增加编号类型</param>
/// <returns>自动增加后的编号</returns>
public static long GetIncrementedID(IdTypes idTypes)
{
long icmetId;
try
{
MongoDatabase mgDb = MongoDBHelper.MongoDB;
MongoCollection<IncrementIds> mgColt;
MongoCursor<IncrementIds> mgCurs;
List<IncrementIds> listIcmetID = new List<IncrementIds>();
IncrementIds icmetIDs = new IncrementIds();
mgColt = mgDb.GetCollection<IncrementIds>(IncrementIds.GetCollectionName());
mgCurs = mgColt.FindAll().SetSortOrder(new SortByDocument("IcmetId", -1)).SetLimit(1); //按字段降序取一条记录
listIcmetID.AddRange(mgCurs);
if (listIcmetID.Count == 1)
{
icmetIDs = listIcmetID[0];
icmetId = icmetIDs.IcmetId;
}
else icmetId = -1;
return icmetId;
}
catch (System.Exception err)
{
throw new CBB.ExceptionHelper.OperationException(CBB.ExceptionHelper.ErrType.SystemErr,
CBB.ExceptionHelper.ErrNo.DBOperationError, err);
}
}
/// <summary>
/// 初始化自动增加编号的种子初始值
/// </summary>
/// <param name="idTypes">自动增加编号类型</param>
/// <param name="incrementIdValue">递增种子值</param>
/// <returns>操作状态</returns>
public static CBB.ExceptionHelper.OperationResult initialIncrementIdValue(IdTypes idTypes, long incrementIdValue)
{
MongoDatabase mgDb = MongoDBHelper.MongoDB;
MongoCollection<IncrementIds> mgColt = mgDb.GetCollection<IncrementIds>(IncrementIds.GetCollectionName());
IncrementIds icmetIds = new IncrementIds();
icmetIds.IdTypes = idTypes;
icmetIds.IcmetId = incrementIdValue;
mgColt.Insert(icmetIds);
return new CBB.ExceptionHelper.OperationResult(true);
}
