public void ReturnBarcode(string progId, string prefix, string barcode)
{
string key = string.Format("{0}/t{1}", progId, prefix);
object lockItem = lockObjDic.GetOrAdd(key, new object());
lock (lockItem)
{
BarcodeValue barcodeValue = this.Get <BarcodeValue>(key);
if (barcodeValue != null)
{
barcodeValue.Unused.Enqueue(barcode);
}
}
}
public IList <string> GetBarcode(string progId, string fieldName, string prefix, int serialLen, int number = 1)
{
IList <string> list = new List <string>();
string key = string.Format("{0}/t{1}", progId, prefix);
object lockItem = lockObjDic.GetOrAdd(key, new object());
lock (lockItem)
{
BarcodeValue barcodeValue = this.Get <BarcodeValue>(key);
if (barcodeValue == 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));
LibDataAccess 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);
}
barcodeValue = new BarcodeValue()
{
MaxValue = value
};
}
if (barcodeValue.Unused.Count >= number)
{
for (int i = 0; i < number; i++)
{
list.Add(barcodeValue.Unused.Dequeue());
}
}
else
{
for (int i = 0; i < number; i++)
{
string maxValue = (++barcodeValue.MaxValue).ToString();
list.Add(string.Format("{0}{1}", prefix, maxValue.PadLeft(serialLen, '0')));
}
this.Set(key, barcodeValue, new TimeSpan(0, 180, 0));
}
}
return(list);
}