protected override Common.DbTransaction BeginDbTransaction(IsolationLevel isolationLevel)
{
if (state == ConnectionState.Closed)
{
throw new InvalidOperationException("The connection is not open.");
}
if (transaction != null)
{
throw new InvalidOperationException("OracleConnection does not support parallel transactions.");
}
OciTransactionHandle transactionHandle = oci.CreateTransaction();
if (transactionHandle == null)
{
throw new Exception("Error: Unable to start transaction");
}
else
{
transactionHandle.Begin();
transaction = new OracleTransaction(this, isolationLevel, transactionHandle);
}
return(transaction);
}
internal OracleTransaction(OracleConnection connection, IsolationLevel isolevel, OciTransactionHandle transaction)
{
this.connection = connection;
this.isolationLevel = isolevel;
this.transaction = transaction;
isOpen = true;
}
public OciTransactionHandle CreateTransaction()
{
OciTransactionHandle transaction = (OciTransactionHandle)environment.Allocate(OciHandleType.Transaction);
if (transaction == null)
{
OciErrorInfo info = environment.HandleError();
throw new OracleException(info.ErrorCode, info.ErrorMessage);
}
transaction.ErrorHandle = error;
transaction.Service = service;
return(transaction);
}
