/// <summary>
/// Adds a write action to the transaction
/// </summary>
/// <param name="writeAction"> The write action to be added </param>
/// <param name="persistWriteAction"> To indicate if write action must be persisted </param>
private void AddWriteAction(WriteAction writeAction, bool persistWriteAction)
{
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Info(string.Format("OdbTransaction: Adding WriteAction in Transaction of session {0}", _session.GetId()));
}
if (writeAction.IsEmpty())
{
return;
}
CheckRollback();
if (!_hasBeenPersisted && persistWriteAction)
{
Persist();
}
if (persistWriteAction)
{
writeAction.PersistMeTo(_fsi);
}
// Only adds the write action to the list if the transaction keeps all in
// memory
if (_hasAllWriteActionsInMemory)
{
_writeActions.Add(writeAction);
}
_numberOfWriteActions++;
if (_hasAllWriteActionsInMemory &&
_numberOfWriteActions > StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction)
{
_hasAllWriteActionsInMemory = false;
foreach (var defaultWriteAction in _writeActions)
{
defaultWriteAction.Clear();
}
_writeActions.Clear();
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActions = _numberOfWriteActions.ToString();
var maxNumberOfWriteObjectPerTransactionAsString =
StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction.ToString();
DLogger.Info("OdbTransaction: Number of objects has exceeded the max number " + numberOfWriteActions + "/" +
maxNumberOfWriteObjectPerTransactionAsString +
": switching to persistent transaction managment");
}
}
}
public void Commit()
{
var numberOfWriteActionsAsString = _numberOfWriteActions.ToString();
var hasAllWriteActionsInMemoryAsString = _hasAllWriteActionsInMemory.ToString();
Log4NetHelper.Instance.LogInfoMessage("OdbTransaction: Commiting " + numberOfWriteActionsAsString + " write actions - In Memory : " +
hasAllWriteActionsInMemoryAsString + string.Format(" - sid={0}", _session.GetId()));
// Check if database has been rollbacked
CheckRollback();
// call the commit listeners
ManageCommitListenersBefore();
if (_currentWriteAction != null && !_currentWriteAction.IsEmpty())
{
AddWriteAction(_currentWriteAction, true);
_currentWriteAction = null;
}
if (_fsi == null && _numberOfWriteActions != 0)
{
throw new OdbRuntimeException(NDatabaseError.TransactionAlreadyCommitedOrRollbacked);
}
if (_numberOfWriteActions == 0)
{
// FIXME call commitMetaModel in realOnlyMode?
CommitMetaModel();
// Nothing to do
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
return;
}
// Marks the transaction as committed
SetCommited();
// Apply the write actions the main database file
ApplyTo();
// Commit Meta Model changes
CommitMetaModel();
if (_fsi != null)
{
_fsi.Close();
_fsi = null;
}
if (_session != null)
{
_session.GetCache().ClearOnCommit();
}
ManageCommitListenersAfter();
}
/// <summary>
/// Adds a write action to the transaction
/// </summary>
/// <param name="writeAction"> The write action to be added </param>
/// <param name="persistWriteAction"> To indicate if write action must be persisted </param>
private void AddWriteAction(WriteAction writeAction, bool persistWriteAction)
{
if (OdbConfiguration.IsLoggingEnabled())
DLogger.Info(string.Format("OdbTransaction: Adding WriteAction in Transaction of session {0}", _session.GetId()));
if (writeAction.IsEmpty())
return;
CheckRollback();
if (!_hasBeenPersisted && persistWriteAction)
Persist();
if (persistWriteAction)
writeAction.PersistMeTo(_fsi);
// Only adds the write action to the list if the transaction keeps all in
// memory
if (_hasAllWriteActionsInMemory)
_writeActions.Add(writeAction);
_numberOfWriteActions++;
if (_hasAllWriteActionsInMemory &&
_numberOfWriteActions > StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction)
{
_hasAllWriteActionsInMemory = false;
foreach (var defaultWriteAction in _writeActions)
defaultWriteAction.Clear();
_writeActions.Clear();
if (OdbConfiguration.IsLoggingEnabled())
{
var numberOfWriteActions = _numberOfWriteActions.ToString();
var maxNumberOfWriteObjectPerTransactionAsString =
StorageEngineConstant.MaxNumberOfWriteObjectPerTransaction.ToString();
DLogger.Info("OdbTransaction: Number of objects has exceeded the max number " + numberOfWriteActions + "/" +
maxNumberOfWriteObjectPerTransactionAsString +
": switching to persistent transaction managment");
}
}
}
