public void abortUnlessCommitted() {
            if (!committed) {
                try {
                    abort();
                } catch (IOException ignored) {
                }
            }
        }
A {@link ThreadFactory} that builds a thread with a specific thread name
and with minimum priority.
VideoSqlLite/src/main/java/com/yc/videosqllite/disk/DiskLruCache.java