public void openFileForWriting()
{
    try
    {
        File destinationFile = newFileStrategy.getNewFile();
        LOG.info("{} storing events to: {}", newFileStrategy.toString(), destinationFile.getAbsolutePath());
        FileOutputStream fos = new FileOutputStream(destinationFile);
        OutputStream out = storeInGzip ? new GZIPOutputStream(fos, true) : fos;
        output = new FastOutput(out);
    }
    catch (IOException e)
    {
        e.printStackTrace();
    }
}
 

@Override
protected Output initialValue() {
    return new FastOutput(DEFAULT_BUF_SIZE, -1);
}