private AdapterTransaction CreateTransaction(string instanceId)
{
try
{
WarehouseAdapterEndPoint endPoint = CreateEndPoint(instanceId);
IDbTransaction transaction = endPoint.Connection.BeginTransaction(IsolationLevel.ReadCommitted);
AdapterTransaction adapterTransaction = new AdapterTransaction(instanceId, transaction, endPoint);
adapterTransaction.State = TransactionState.Started;
return(adapterTransaction);
}
catch (InvalidOperationException ex)
{
throw new AdapterException("Failed to start transaction for Warehouse instance: \"" + instanceId + "\".", ex);
}
catch (OracleException ex)
{
throw new AdapterException("Failed to start transaction for Warehouse instance: \"" + instanceId + "\".", ex);
}
catch (DbException ex)
{
throw new AdapterException("Failed to start transaction for Warehouse instance: \"" + instanceId + "\".", ex);
}
}
private WarehouseAdapterEndPoint CreateEndPoint(string instanceId)
{
try
{
IDbConnection connection = new OracleConnection(Configuration.ReadAsString(instanceId));
connection.Open();
WarehouseAdapterEndPoint endPoint = new WarehouseAdapterEndPoint(this, instanceId, connection);
OnEndPointCreated(endPoint);
return(endPoint);
}
catch (InvalidOperationException ex)
{
throw new AdapterException("No connection could be made to Warehouse instance: \"" + instanceId + "\".", ex);
}
catch (OracleException ex)
{
throw new AdapterException("No connection could be made to Warehouse instance: \"" + instanceId + "\".", ex);
}
catch (DbException ex)
{
throw new AdapterException("No connection could be made to Warehouse instance: \"" + instanceId + "\".", ex);
}
}