Examples of java.util.concurrent.locks.Lock.unlock()

java.util.concurrent.locks.Lock.unlock()
Releases the lock.
Implementation Considerations
A {@code Lock} implementation will usually imposerestrictions on which thread can release a lock (typically only the holder of the lock can release it) and may throw an (unchecked) exception if the restriction is violated. Any restrictions and the exception type must be documented by that {@code Lock} implementation.

    @Override
    public final void release(T x) {
        Lock lock0 = locks[0][hash0(x) % locks[0].length];
        Lock lock1 = locks[1][hash1(x) % locks[1].length];
        lock0.unlock();
        lock1.unlock();
    }


    /**
     * Ensure that no thread is currently locking the set.
     */

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                        lock.lock();
                        try {
                            all_msgs_delivered.signalAll();
                        }
                        finally {
                            lock.unlock();
                        }
                    }
                }
                return null;
            }

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                    e.printStackTrace();
                }
            }
        }
        finally {
            lock.unlock();
        }


        long time=System.currentTimeMillis() - start;
        double requests_sec=num_msgs / (time / 1000.0);
        System.out.println("\nTime: " + time + " ms, " + Util.format(requests_sec) + " requests / sec\n");

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          postLockingResult(str);
          // Sleep again and then release the lock.
          TestingUtil.sleepThread(SLEEP_MSECS);
          if (wlock != null)
          {
             wlock.unlock();
          }
          rlock.unlock();
          notifyBeforeFinish.countDown();
          if (beforeFinishWait != null) beforeFinishWait.await(10, TimeUnit.SECONDS);
       }

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      directoryProviderLock.lock(); //needed for same problem as the double-checked locking
      try {
        reader = activeSearchIndexReaders.get( directoryProvider );
      }
      finally {
        directoryProviderLock.unlock();
      }
      if ( reader == null ) {
        if ( trace )
          log.trace( "No shared IndexReader, opening a new one: " + directoryProvider.getDirectory().toString() );
        reader = replaceActiveReader( null, directoryProviderLock, directoryProvider, readers );

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            finally {
              semaphoreIndexReaderLock.unlock();
            }
          }
          finally {
            directoryProviderLock.unlock();
          }
        }
      }
      readers[index] = reader;
    }

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        finally {
          semaphoreIndexReaderLock.unlock();
        }
      }
      finally {
        directoryProviderLock.unlock();
      }


      if ( closeReader ) {
        if ( trace ) log.trace( "Closing IndexReader: " + subReader );
        try {

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            public void run() {
                runLock.lock();
                try {
                    runCondition.signal();
                } finally {
                    runLock.unlock();
                }
            }
        };
        
        workqueue.schedule(doNothing, 5000);

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        runLock.lock();
        try {
            runCondition.await();
        } finally {
            runLock.unlock();
        }
        
        assertTrue("expected delay",
                   System.currentTimeMillis() - start >= 4950);
    }

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            //the events.
            ((News) changedNewsItem).acquireReadLockSpecial();
            eventRunnable.addCheckedUpdateEvent(createSaveEventTemplate(changedNewsItem));
          }
          condition.signal();
          setStateLock.unlock();
          save(changedNews);
          fDb.commit();
        } catch (Db4oException e) {
          throw new PersistenceException(e);
        } finally {

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