private Database keysDB;
private SecondaryDatabase accessTimeDB;
private SecondaryDatabase blockNumDB;
private RandomAccessFile storeRAF;
private RandomAccessFile keysRAF;
<BUG>private RandomAccessFile lruRAF;
private final SortedLongSet freeBlocks;</BUG>
private final String name;
private final StoreCallback callback;
private final boolean collisionPossible;

private Database keysDB;
private SecondaryDatabase accessTimeDB;
private SecondaryDatabase blockNumDB;
private RandomAccessFile storeRAF;
private RandomAccessFile keysRAF;
private RandomAccessFile lruRAF;
private FileChannel storeFC;
private FileChannel keysFC;
private FileChannel lruFC;
private final SortedLongSet freeBlocks;
private final String name;
private final StoreCallback callback;
private final boolean collisionPossible;
