int GetPool(GmConnection conn, int tableId)
{
int recordId;
conn.DbConnection.Open();
IDbTransaction tr = conn.DbConnection.BeginTransaction(IsolationLevel.Serializable);
string query = string.Format("select RecordId from [{0}] where TableId=@TableId", tableName);
GmCommand cmd = conn.CreateCommand(query);
cmd.AddInt("TableId", tableId);
cmd.DbCommand.Transaction = tr;
try
{
object obj = cmd.ExecuteScalar();
if (obj is int)
{
recordId = (int)obj;
cmd.CommandText = string.Format("update [{0}] set RecordId=@RecordId where TableId=@TableId", tableName);
}
else
{
recordId = minRecordId;
cmd.CommandText = string.Format("insert into [{0}] values (@TableId, @RecordId)", tableName);
}
cmd.AddInt("RecordId", recordId + poolSize);
cmd.ExecuteNonQuery();
tr.Commit();
}
catch (Exception ex)
{
tr.Rollback();
throw ex;
}
return(recordId);
}
public DbDataAdapter CreateDataAdapter(GmCommand cmd)
{
DbDataAdapter da = CreateDataAdapter();
(da as IDbDataAdapter).SelectCommand = cmd.DbCommand;
return(da);
}
public GmCommand CreateCommand(string cmdText)
{
GmCommand cmd = null;
/* if(CommandCache.enabled)
* {
* cmd=CommandCache.Get(cmdText);
* if(cmd!=null)
* {
* cmd.Connection=this;
* return cmd;
* }
* }*/
cmd = new GmCommand(this, cmdText);
// if(CommandCache.enabled) CommandCache.Save(cmdText,cmd);
return(cmd);
}
public void Write(LogType logType, string subType, string msg)
{
if (connFactory != null)
{
using (GmConnection conn = connFactory.CreateConnection())
{
GmCommand cmd = conn.CreateCommand("insert into Log values (@Time,@TerminalId,@UserId,@LogType,@SubType,@Message)");
cmd.AddDateTime("Time", DateTime.Now);
cmd.AddInt("TerminalId", App.TerminalId);
IDbDataParameter par = cmd.AddInt("UserId", App.UserId);
if (App.UserId == 0)
{
par.Value = DBNull.Value;
}
cmd.AddInt("LogType", (int)logType);
cmd.AddString("SubType", subType, FieldLength.subType);
cmd.AddString("Message", msg, FieldLength.message);
cmd.ExecuteNonQuery();
}
}
}
public DbDataAdapter CreateDataAdapter(string cmdText)
{
GmCommand cmd = CreateCommand(cmdText);
return(CreateDataAdapter(cmd));
}