/// <summary>
/// Returns information about all OIDs of the database
/// </summary>
/// <param name="idType"> </param>
/// <returns> @ </returns>
public IList <long> GetAllIds(byte idType)
{
IList <long> ids = new List <long>(5000);
long currentBlockPosition = StorageEngineConstant.DatabaseHeaderFirstIdBlockPosition;
while (currentBlockPosition != -1)
{
// Gets the next block position
_fsi.SetReadPosition(currentBlockPosition + StorageEngineConstant.BlockIdOffsetForNextBlock);
var nextBlockPosition = _fsi.ReadLong();
// Gets the block max id
_fsi.SetReadPosition(currentBlockPosition + StorageEngineConstant.BlockIdOffsetForMaxId);
var blockMaxId = _fsi.ReadLong();
long currentId;
do
{
var nextRepetitionPosition = _fsi.GetPosition() + StorageEngineConstant.IdBlockRepetitionSize;
var idTypeRead = _fsi.ReadByte();
currentId = _fsi.ReadLong();
var idStatus = _fsi.ReadByte();
if (idType == idTypeRead && IDStatus.IsActive(idStatus))
{
ids.Add(currentId);
}
_fsi.SetReadPosition(nextRepetitionPosition);
} while (currentId != blockMaxId);
currentBlockPosition = nextBlockPosition;
}
return(ids);
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
Log4NetHelper.Instance.LogDebugMessage(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
return(writeAction);
}
catch (OdbRuntimeException)
{
Log4NetHelper.Instance.LogErrorMessage(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
if (OdbConfiguration.IsLoggingEnabled())
{
DLogger.Debug(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
}
return(writeAction);
}
catch (OdbRuntimeException)
{
DLogger.Error(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
internal static WriteAction Read(IFileSystemInterface fsi)
{
try
{
var position = fsi.ReadLong();
var size = fsi.ReadInt();
var bytes = fsi.ReadBytes(size);
var writeAction = new WriteAction(position, bytes);
if (OdbConfiguration.IsLoggingEnabled())
DLogger.Debug(string.Format("Transaction WriteAction: Loading Write Action at {0} => {1}", fsi.GetPosition(), writeAction));
return writeAction;
}
catch (OdbRuntimeException)
{
DLogger.Error(string.Format("Transaction WriteAction: error reading write action at position {0}", fsi.GetPosition()));
throw;
}
}
