public void ReturnCodingNo(string progId, string prefix, string codingNo)
{
string key = string.Format("{0}/t{1}", progId, prefix);
object lockItem = lockObjDic.GetOrAdd(key, new object());
lock (lockItem)
{
CodingNoValue codingNoValue = this.Get <CodingNoValue>(key);
if (codingNoValue != null)
{
codingNoValue.Unused.Enqueue(codingNo);
}
//增加了新的ReturnCode时，需要将值Set进Redis缓存。 原先使用MemoryCahche不需要此操作 Zhangkj 20170303
this.Set <CodingNoValue>(key, codingNoValue, new TimeSpan(0, 180, 0));
}
}
public string GetCodingNo(string progId, string fieldName, string prefix, int serialLen, LibDataAccess dataAccess)
{
string maxNo = string.Empty;
string key = string.Format("{0}/t{1}", progId, prefix);
object lockItem = lockObjDic.GetOrAdd(key, new object());
lock (lockItem)
{
CodingNoValue codingNoValue = this.Get <CodingNoValue>(key);
if (codingNoValue == null)
{
string curSerial = string.Empty;
int len = prefix.Length + serialLen;
SqlBuilder sqlBuilder = new SqlBuilder(progId);
string sql = sqlBuilder.GetQuerySql(0, string.Format("A.{0}", fieldName), string.Format("A.{0} Like '{1}%'", fieldName, prefix), string.Format("A.{0} DESC", fieldName));
if (dataAccess == null) //在单据的保存中，有可能产生新的单据，dataAccess必须是原始事务的dataAccess，否则可能出现死锁
{
dataAccess = new LibDataAccess();
}
int serial = 0;
using (IDataReader reader = dataAccess.ExecuteDataReader(sql))
{
while (reader.Read())
{
string temp = reader.GetString(0);
if (temp.Length != len)
{
continue;
}
if (!int.TryParse(temp.Substring(prefix.Length, serialLen), out serial))
{
continue;
}
curSerial = temp;
break;
}
}
int value = 0;
if (!string.IsNullOrEmpty(curSerial))
{
int.TryParse(curSerial.Substring(prefix.Length, serialLen), out value);
}
codingNoValue = new CodingNoValue()
{
MaxValue = value
};
}
if (codingNoValue.Unused.Count > 0)
{
maxNo = codingNoValue.Unused.Dequeue();
this.Set(key, codingNoValue, new TimeSpan(0, 180, 0));//Zhangkj 20170303 修改Unused值后需要Set回Redis缓存
}
else
{
codingNoValue.MaxValue++;
this.Set(key, codingNoValue, new TimeSpan(0, 180, 0));
maxNo = string.Format("{0}{1}", prefix, codingNoValue.MaxValue.ToString().PadLeft(serialLen, '0'));
}
}
return(maxNo);
}