private void ApplyTo()
{
int realWriteNumber = 0;
int noPointerWA = 0;
if (!isCommited)
{
NeoDatis.Tool.DLogger.Info("can not execute a transaction that is not confirmed");
return;
}
if (hasAllWriteActionsInMemory)
{
for (int i = 0; i < writeActions.Count; i++)
{
NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction wa = (NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
)writeActions[i];
wa.ApplyTo(fsiToApplyWriteActions, i + 1);
wa.Clear();
}
fsiToApplyWriteActions.Flush();
}
else
{
LoadWriteActions(true);
fsiToApplyWriteActions.Flush();
}
}
/// <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 LoadWriteActions(string filename, bool apply)
{
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Load write actions of " + filename);
}
NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction wa = null;
try
{
CheckFileAccess(false, filename);
fsi.UseBuffer(true);
fsi.SetReadPosition(0);
isCommited = fsi.ReadByte() == 1;
creationDateTime = fsi.ReadLong();
long totalNumberOfWriteActions = fsi.ReadLong();
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Info(writeActions.Count + " write actions in file");
}
for (int i = 0; i < totalNumberOfWriteActions; i++)
{
wa = NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction.Read(fsi, i + 1);
if (apply)
{
wa.ApplyTo(fsiToApplyWriteActions, i + 1);
wa.Clear();
}
else
{
AddWriteAction(wa, false);
}
}
if (apply)
{
fsiToApplyWriteActions.Flush();
}
}
finally
{
}
}
