public void AbortTransaction()
{
useTransaction = false;
_transaction.Rollback();
_transaction.Dispose();
_transaction = null;
}
public void EndTransaction(bool blnCommit)
{
try
{
if (blnCommit == true)
{
objTransaction.Commit();
}
else
{
objTransaction.Rollback();
}
}
catch (Exception ex)
{
objException = ex;
}
finally
{
//objClear.CleanupPooledConnections();
objConnection.Close();
objTransaction.Dispose();
objTransaction = null;
blnTrans = false;
if (objCommand is object)
{
objCommand.Dispose();
objCommand = null;
}
}
}
/// <summary>
/// Use this for Insert, Update and Delete
/// Functionality to provide the gateway to access the Data Access Layer with Transaction object
/// If any exception transaction will be rollbacked here
/// </summary>
/// <param name="destinationDatabase"></param>
/// <param name="givenTransaction">The given transaction.</param>
/// <returns></returns>
public ErrorObj DB2Access(DestinationDatabase destinationDatabase, iDB2Transaction givenTransaction)
{
string ModuleName = GetModuleNameByDestinationDB(destinationDatabase);
ErrorObj err = new ErrorObj();
this.GetConnectionDetails(Settings.BusinessUnit, "", ModuleName);
Settings.ModuleName = ModuleName;
DBDB2Access DBDataAccessEntity = new DBDB2Access();
DBDataAccessEntity.Settings = Settings;
DBDataAccessEntity.CommandElement = _commandElements;
err = DBDataAccessEntity.AccessWithTransaction(givenTransaction);
if (!err.HasError && !(DBDataAccessEntity.ResultDataSet == null))
{
ResultDataSet = DBDataAccessEntity.ResultDataSet;
}
else
{
givenTransaction.Rollback();
//before call this get the previous error details
string errMessage = err.ErrorMessage;
err = EndTransaction(destinationDatabase, givenTransaction);
if (err.HasError)
{
errMessage = errMessage + ";" + err.ErrorMessage;
}
//whether end transaction gives error or not
//always assign err object has error
err.HasError = true;
err.ErrorMessage = errMessage;
}
return(err);
}
public void CancelarTransaccion()
{
if (_Transaccion != null)
{
_Transaccion.Rollback();
EliminaTransaccion();
}
}
public void Rollback()
{
transaction.Rollback();
connection.Dispose();
connection.Close();
transaction = null;
connection = null;
}
public static long GetSequenceTrans(iDB2Connection conn, string tableName)
{
//iDB2Transaction trans = conn.BeginTransaction(IsolationLevel.RepeatableRead);
iDB2Transaction trans = conn.BeginTransaction();
long id = 0;
try {
string sql = "SELECT VALUE FROM SEQ_TABLE WHERE KEY=@KEY";
iDB2Parameter[] parms = new iDB2Parameter[] {
new iDB2Parameter("@KEY", "USER")
};
Object obj = ExecuteScalar(trans, CommandType.Text, sql, parms);
if (obj != null)
{
id = Convert.ToInt32(obj);
string sqlUpdate = "UPDATE SEQ_TABLE SET VALUE=@NEW_ID WHERE VALUE=@OLD_ID AND KEY=@KEY";
iDB2Parameter[] parmsUpdate = new iDB2Parameter[] {
new iDB2Parameter("@NEW_ID", id + 1),
new iDB2Parameter("@OLD_ID", id),
new iDB2Parameter("@KEY", tableName)
};
ExecuteNonQuery(trans, CommandType.Text, sqlUpdate, parmsUpdate);
}
else
{
id = 1;
string sqlInsert = "INSERT INTO SEQ_TABLE(KEY,VALUE) VALUES(@KEY,@VALUE)";
iDB2Parameter[] parmsInsert = new iDB2Parameter[] {
new iDB2Parameter("@KEY", tableName),
new iDB2Parameter("@VALUE", id + 1)
};
ExecuteNonQuery(trans, CommandType.Text, sqlInsert, parmsInsert);
}
trans.Commit();
return(id);
}
catch (Exception ex)
{
log.Error(ex.Message);
log.Error(ex.StackTrace);
trans.Rollback();
return(0);
}
}
