Method getThreadLock

app/src/main/java/androidx/room/CopyLock.java:102–111

(String key)

    }

    private static Lock getThreadLock(String key) {
        synchronized (sThreadLocks) {
            Lock threadLock = sThreadLocks.get(key);
            if (threadLock == null) {
                threadLock = new ReentrantLock();
                sThreadLocks.put(key, threadLock);
            }
            return threadLock;
        }
    }
}