/// <summary>Adds a write action to the transaction</summary>
/// <param name="writeAction">The write action to be added</param>
/// <param name="persistWriteAcion">To indicate if write action must be persisted</param>
public virtual void AddWriteAction(NeoDatis.Odb.Core.Transaction.IWriteAction writeAction
, bool persistWriteAcion)
{
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Info("Adding WA in Transaction of session " + session.GetId
());
}
if (writeAction.IsEmpty())
{
return;
}
CheckRollback();
if (!hasBeenPersisted && persistWriteAcion)
{
Persist();
}
if (persistWriteAcion)
{
writeAction.Persist(fsi, numberOfWriteActions + 1);
}
// Only adds the writeaction to the list if the transaction keeps all in
// memory
if (hasAllWriteActionsInMemory)
{
writeActions.Add(writeAction);
}
numberOfWriteActions++;
if (hasAllWriteActionsInMemory && numberOfWriteActions > NeoDatis.Odb.OdbConfiguration
.GetMaxNumberOfWriteObjectPerTransaction())
{
hasAllWriteActionsInMemory = false;
System.Collections.IEnumerator iterator = writeActions.GetEnumerator();
NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction wa = null;
while (iterator.MoveNext())
{
wa = (NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction)iterator.Current;
wa.Clear();
}
writeActions.Clear();
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Info("Number of objects has exceeded the max number " + numberOfWriteActions
+ "/" + NeoDatis.Odb.OdbConfiguration.GetMaxNumberOfWriteObjectPerTransaction()
+ ": switching to persistent transaction managment");
}
}
}
public virtual void Commit()
{
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Info("Commiting " + numberOfWriteActions + " write actions - In Memory : "
+ hasAllWriteActionsInMemory + " - sid=" + session.GetId());
}
// Check if database has been rollbacked
CheckRollback();
// call the commit listeners
ManageCommitListenersBefore();
if (currentWriteAction != null && !currentWriteAction.IsEmpty())
{
AddWriteAction(currentWriteAction);
currentWriteAction = null;
}
if (fsi == null && numberOfWriteActions != 0)
{
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Odb.Core.NeoDatisError.TransactionAlreadyCommitedOrRollbacked
);
}
if (numberOfWriteActions == 0 || readOnlyMode)
{
// 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(true);
// Apply the write actions the main database file
ApplyTo();
// Commit Meta Model changes
CommitMetaModel();
if (archiveLog)
{
fsi.SetWritePositionNoVerification(0, false);
fsi.WriteByte((byte)2, false);
fsi.GetIo().EnableAutomaticDelete(false);
fsi.Close();
fsi = null;
}
else
{
fsi.Close();
Delete();
fsi = null;
}
if (session != null)
{
session.GetCache().ClearOnCommit();
}
ManageCommitListenersAfter();
}
