public static LockFactory get() {
        LOGGER.trace(() -> "get()");
        return INSTANCE;

        // Old impl
        //return SimpleFSLockFactory.INSTANCE;
    }
Get a lock factory for the supplied directory.

@param dir The directory to get the lock factory for.
@return A lock factory for the supplied directory.
stroom-index/stroom-index-lucene553/src/main/java/stroom/index/lucene553/Lucene553LockFactory.java