public virtual void TestSize()
{
DeleteBase("writing.neodatis");
DeleteBase("writing");
DeleteBase("reserving.neodatis");
DeleteBase("reserving");
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine engine1 = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetClientStorageEngine(new NeoDatis.Odb.Core.Layers.Layer3.IOFileParameter
(NeoDatis.Odb.Test.ODBTest.Directory + "writing.neodatis", true, null, null));
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine engine2 = NeoDatis.Odb.OdbConfiguration
.GetCoreProvider().GetClientStorageEngine(new NeoDatis.Odb.Core.Layers.Layer3.IOFileParameter
(NeoDatis.Odb.Test.ODBTest.Directory + "reserving.neodatis", true, null, null));
NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface writingFsi = engine1.
GetObjectWriter().GetFsi();
NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface reservingFsi = engine2
.GetObjectWriter().GetFsi();
AssertEquals(writingFsi.GetLength(), reservingFsi.GetLength());
Write(writingFsi, false);
Write(reservingFsi, true);
AssertEquals(writingFsi.GetLength(), reservingFsi.GetLength());
engine1.Commit();
engine1.Close();
engine2.Commit();
engine2.Close();
DeleteBase("writing.neodatis");
DeleteBase("reserving.neodatis");
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="System.TypeLoadException"></exception>
public virtual void LoadWriteActionsBackwards(string filename, bool apply)
{
int executedWriteAction = 0;
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Load write actions of " + filename);
}
NeoDatis.Odb.Core.Transaction.IWriteAction wa = null;
try
{
CheckFileAccess(false, filename);
fsi.UseBuffer(true);
fsi.SetReadPosition(0);
isCommited = fsi.ReadByte() == 1;
creationDateTime = fsi.ReadLong();
System.Collections.Generic.IDictionary <long, long> writtenPositions = null;
if (apply)
{
writtenPositions = new NeoDatis.Tool.Wrappers.Map.OdbHashMap <long, long>();
}
long position = System.Convert.ToInt64(-1);
int i = numberOfWriteActions;
long previousWriteActionPosition = fsi.GetLength();
while (i > 0)
{
// Sets the position 8 bytes backwards
fsi.SetReadPosition(previousWriteActionPosition - NeoDatis.Odb.Core.Layers.Layer2.Meta.ODBType
.Long.GetSize());
// And then the read a long, this will be the previous write
// action position
previousWriteActionPosition = fsi.ReadLong();
// Then sets the read position to read the write action
fsi.SetReadPosition(previousWriteActionPosition);
wa = NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction.Read(fsi, i + 1);
if (apply)
{
position = wa.GetPosition();
if (writtenPositions[position] != null)
{
// It has already been written something more recent at
// this position, do not write again
i--;
continue;
}
wa.ApplyTo(fsiToApplyWriteActions, i + 1);
writtenPositions.Add(position, position);
executedWriteAction++;
}
else
{
AddWriteAction(wa, false);
}
i--;
}
if (apply)
{
fsiToApplyWriteActions.Flush();
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Total Write actions : " + i + " / position cache = "
+ writtenPositions.Count);
}
NeoDatis.Tool.DLogger.Info("Total write actions = " + numberOfWriteActions + " : executed = "
+ executedWriteAction);
writtenPositions.Clear();
writtenPositions = null;
}
}
finally
{
}
}
