public void testReentrantLock(RedissonClient redisson){ 
  RLock lock = redisson.getLock("anyLock"); 
  try{ 
    // 1. 最常见的使用方法 
    //lock.lock(); 
    // 2. 支持过期解锁功能,10秒钟以后自动解锁, 无需调用unlock方法手动解锁 
    //lock.lock(10, TimeUnit.SECONDS); 
    // 3. 尝试加锁，最多等待3秒，上锁以后10秒自动解锁 
    boolean res = lock.tryLock(3, 10, TimeUnit.SECONDS); 
    if(res){ //成功 
    // do your business 
    } 
  } catch (InterruptedException e) { 
    e.printStackTrace(); 
  } finally { 
    lock.unlock(); 
  } 
} 

public void testAsyncReentrantLock(RedissonClient redisson){ 
  RLock lock = redisson.getLock("anyLock"); 
  try{ 
    lock.lockAsync(); 
    lock.lockAsync(10, TimeUnit.SECONDS); 
    Future<Boolean> res = lock.tryLockAsync(3, 10, TimeUnit.SECONDS); 
    if(res.get()){ 
    // do your business 
    } 
  } catch (InterruptedException e) { 
    e.printStackTrace(); 
  } catch (ExecutionException e) { 
    e.printStackTrace(); 
  } finally { 
    lock.unlock(); 
  } 
} 

public void testFairLock(RedissonClient redisson){ 
  RLock fairLock = redisson.getFairLock("anyLock"); 
  try{ 
    // 最常见的使用方法 
    fairLock.lock(); 
    // 支持过期解锁功能, 10秒钟以后自动解锁,无需调用unlock方法手动解锁 
    fairLock.lock(10, TimeUnit.SECONDS); 
    // 尝试加锁，最多等待100秒，上锁以后10秒自动解锁 
    boolean res = fairLock.tryLock(100, 10, TimeUnit.SECONDS); 
  } catch (InterruptedException e) { 
    e.printStackTrace(); 
  } finally { 
    fairLock.unlock(); 
  } 
} 

RLock fairLock = redisson.getFairLock("anyLock"); 
fairLock.lockAsync(); 
fairLock.lockAsync(10, TimeUnit.SECONDS); 
Future<Boolean> res = fairLock.tryLockAsync(100, 10, TimeUnit.SECONDS); 

public void testMultiLock(RedissonClient redisson1,RedissonClient redisson2, RedissonClient redisson3){ 
  RLock lock1 = redisson1.getLock("lock1"); 
  RLock lock2 = redisson2.getLock("lock2"); 
  RLock lock3 = redisson3.getLock("lock3"); 
  RedissonMultiLock lock = new RedissonMultiLock(lock1, lock2, lock3); 
  try { 
    // 同时加锁：lock1 lock2 lock3, 所有的锁都上锁成功才算成功。 
    lock.lock(); 
    // 尝试加锁，最多等待100秒，上锁以后10秒自动解锁 
    boolean res = lock.tryLock(100, 10, TimeUnit.SECONDS); 
  } catch (InterruptedException e) { 
    e.printStackTrace(); 
  } finally { 
    lock.unlock(); 
  } 
} 

public void testRedLock(RedissonClient redisson1,RedissonClient redisson2, RedissonClient redisson3){ 
  RLock lock1 = redisson1.getLock("lock1"); 
  RLock lock2 = redisson2.getLock("lock2"); 
  RLock lock3 = redisson3.getLock("lock3"); 
  RedissonRedLock lock = new RedissonRedLock(lock1, lock2, lock3); 
  try { 
    // 同时加锁：lock1 lock2 lock3, 红锁在大部分节点上加锁成功就算成功。 
    lock.lock(); 
    // 尝试加锁，最多等待100秒，上锁以后10秒自动解锁 
    boolean res = lock.tryLock(100, 10, TimeUnit.SECONDS); 
  } catch (InterruptedException e) { 
    e.printStackTrace(); 
  } finally { 
    lock.unlock(); 
  } 
} 

RReadWriteLock rwlock = redisson.getLock("anyRWLock"); 
// 最常见的使用方法 
rwlock.readLock().lock(); 
// 或 
rwlock.writeLock().lock(); 
// 支持过期解锁功能 
// 10秒钟以后自动解锁 
// 无需调用unlock方法手动解锁 
rwlock.readLock().lock(10, TimeUnit.SECONDS); 
// 或 
rwlock.writeLock().lock(10, TimeUnit.SECONDS); 
// 尝试加锁，最多等待100秒，上锁以后10秒自动解锁 
boolean res = rwlock.readLock().tryLock(100, 10, TimeUnit.SECONDS); 
// 或 
boolean res = rwlock.writeLock().tryLock(100, 10, TimeUnit.SECONDS); 
... 
lock.unlock(); 

RSemaphore semaphore = redisson.getSemaphore("semaphore"); 
semaphore.acquire(); 
//或 
semaphore.acquireAsync(); 
semaphore.acquire(23); 
semaphore.tryAcquire(); 
//或 
semaphore.tryAcquireAsync(); 
semaphore.tryAcquire(23, TimeUnit.SECONDS); 
//或 
semaphore.tryAcquireAsync(23, TimeUnit.SECONDS); 
semaphore.release(10); 
semaphore.release(); 
//或 
semaphore.releaseAsync(); 

RPermitExpirableSemaphore semaphore = redisson.getPermitExpirableSemaphore("mySemaphore"); 
String permitId = semaphore.acquire(); 
// 获取一个信号，有效期只有2秒钟。 
String permitId = semaphore.acquire(2, TimeUnit.SECONDS); 
// ... 
semaphore.release(permitId); 

RCountDownLatch latch = redisson.getCountDownLatch("anyCountDownLatch"); 
latch.trySetCount(1); 
latch.await(); 
// 在其他线程或其他JVM里 
RCountDownLatch latch = redisson.getCountDownLatch("anyCountDownLatch"); 
latch.countDown();