private void PrepareDbFile(int itemCount)
{
Sysout("Preparing DB file ...");
DeleteFile(_dbFileName);
Db4objects.Db4o.IO.IoAdapter rafFactory = new RandomAccessFileAdapter();
Db4objects.Db4o.IO.IoAdapter raf = rafFactory.Open(_dbFileName, false, 0, false);
LogReplayer replayer = new LogReplayer(CrudApplication.LogFileName(itemCount), raf
);
try
{
replayer.ReplayLog();
}
catch (IOException)
{
ExitWithError("Error reading I/O operations log file");
}
finally
{
raf.Close();
}
}
/// <exception cref="IOException"></exception>
private void BenchmarkCommand(string command, int itemCount, string dbFileName, TextWriter
@out)
{
HashSet commands = CommandSet(command);
Db4objects.Db4o.IO.IoAdapter io = IoAdapter(dbFileName);
LogReplayer replayer = new LogReplayer(CrudApplication.LogFileName(itemCount), io
, commands);
List4 commandList = replayer.ReadCommandList();
StopWatch watch = new StopWatch();
watch.Start();
replayer.PlayCommandList(commandList);
watch.Stop();
io.Close();
long timeElapsed = watch.Elapsed();
long operationCount = ((long)replayer.OperationCounts()[command]);
PrintStatisticsForCommand(@out, command, timeElapsed, operationCount);
}
