public virtual void Persist(NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface
fsi, int index)
{
long currentPosition = fsi.GetPosition();
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
}
// DLogger.debug("# Writing WriteAction #" + index + " at " +
// currentPosition+" : " + toString());
int sizeOfLong = NeoDatis.Odb.Core.Layers.Layer2.Meta.ODBType.Long.GetSize();
int sizeOfInt = NeoDatis.Odb.Core.Layers.Layer2.Meta.ODBType.Integer.GetSize();
// build the full byte array to write once
byte[] bytes = new byte[sizeOfLong + sizeOfInt + size];
byte[] bytesOfPosition = byteArrayConverter.LongToByteArray(position);
byte[] bytesOfSize = byteArrayConverter.IntToByteArray(size);
for (int i = 0; i < sizeOfLong; i++)
{
bytes[i] = bytesOfPosition[i];
}
int offset = sizeOfLong;
for (int i = 0; i < sizeOfInt; i++)
{
bytes[offset] = bytesOfSize[i];
offset++;
}
for (int i = 0; i < listOfBytes.Count; i++)
{
byte[] tmp = listOfBytes[i];
System.Array.Copy(tmp, 0, bytes, offset, tmp.Length);
offset += tmp.Length;
}
fsi.WriteBytes(bytes, false, "Transaction");
int fixedSize = sizeOfLong + sizeOfInt;
long positionAfterWrite = fsi.GetPosition();
long writeSize = positionAfterWrite - currentPosition;
if (writeSize != size + fixedSize)
{
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Odb.Core.NeoDatisError.DifferentSizeInWriteAction
.AddParameter(size).AddParameter(writeSize));
}
}
public static NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction Read(NeoDatis.Odb.Core.Layers.Layer3.Engine.IFileSystemInterface
fsi, int index)
{
try
{
long position = fsi.ReadLong();
int size = fsi.ReadInt();
byte[] bytes = fsi.ReadBytes(size);
NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction writeAction = new NeoDatis.Odb.Impl.Core.Transaction.DefaultWriteAction
(position, bytes);
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug("Loading Write Action # " + index + " at " + fsi.GetPosition
() + " => " + writeAction.ToString());
}
return(writeAction);
}
catch (NeoDatis.Odb.ODBRuntimeException e)
{
NeoDatis.Tool.DLogger.Error("error reading write action " + index + " at position "
+ fsi.GetPosition());
throw;
}
}
