Examples of java.util.concurrent.Semaphore.acquireUninterruptibly()

java.util.concurrent.Semaphore.acquireUninterruptibly()
Acquires a permit from this semaphore, blocking until one is available.
Acquires a permit, if one is available and returns immediately, reducing the number of available permits by one.
If no permit is available then the current thread becomes disabled for thread scheduling purposes and lies dormant until some other thread invokes the {@link #release} method for thissemaphore and the current thread is next to be assigned a permit.
If the current thread is {@linkplain Thread#interrupt interrupted}while waiting for a permit then it will continue to wait, but the time at which the thread is assigned a permit may change compared to the time it would have received the permit had no interruption occurred. When the thread does return from this method its interrupt status will be set.

        @Override
        protected <T extends Document> T convertFromDBObject(
                @Nonnull Collection<T> collection, @Nullable DBObject n) {
            Semaphore s = semaphores.get(Thread.currentThread());
            if (s != null) {
                s.acquireUninterruptibly();
            }
            try {
                return super.convertFromDBObject(collection, n);
            } finally {
                if (s != null) {

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        DocumentStore docStore = new MemoryDocumentStore();
        DocumentStore testStore = new TimingDocumentStoreWrapper(docStore) {
            @Override
            public void invalidateCache() {
                super.invalidateCache();
                semaphore.acquireUninterruptibly();
                semaphore.release();
            }
        };
        final DocumentNodeStore store1 = new DocumentMK.Builder().setAsyncDelay(0)
                .setDocumentStore(testStore).setClusterId(1).getNodeStore();

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        builder = store1.getRoot().builder();
        builder.child("node1");
        NodeState root =
                store1.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);


        semaphore.acquireUninterruptibly();
        Thread t = new Thread(new Runnable() {
            @Override
            public void run() {
                store1.runBackgroundOperations();
            }

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                                                       List<UpdateOp> updateOps) {
                Semaphore semaphore = locks.get(Thread.currentThread());
                boolean result = super.create(collection, updateOps);
                if (semaphore != null) {
                    created.release();
                    semaphore.acquireUninterruptibly();
                }
                return result;
            }
        };
        final List<Exception> exceptions = new ArrayList<Exception>();

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        }
      }
    }
    
    final Semaphore semaphore = new Semaphore(queryTasks.size());
    semaphore.acquireUninterruptibly(queryTasks.size());
    
    for (QueryTask queryTask : queryTasks) {
      queryTask.setSemaphore(semaphore, queryTasks.size());
      queryThreadPool.execute(new TraceRunnable(queryTask));
    }

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            if (sem == null) {
                sem = new Semaphore(1, true);
                executorLocks.put(key, sem);
            }
        }
        sem.acquireUninterruptibly();
    }


    private static void releaseExecutorLock(String key) {
        synchronized (executorLocks) {
            Semaphore sem = executorLocks.get(key);

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        @Override
        protected <T extends Document> T convertFromDBObject(
                @Nonnull Collection<T> collection, @Nullable DBObject n) {
            Semaphore s = semaphores.get(Thread.currentThread());
            if (s != null) {
                s.acquireUninterruptibly();
            }
            try {
                return super.convertFromDBObject(collection, n);
            } finally {
                if (s != null) {

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                async.run();
            }
        });


        // drain checkpoint permits
        checkpoint.acquireUninterruptibly(checkpoint.availablePermits());
        // block NodeStore.retrieve()
        retrieve.acquireUninterruptibly();
        t.start();


        // wait until async update called checkpoint

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        retrieve.acquireUninterruptibly();
        t.start();


        // wait until async update called checkpoint
        retrieve.release();
        checkpoint.acquireUninterruptibly();
        builder = store.getRoot().builder();
        builder.child("child").remove();
        store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);


        // allow async update to proceed with NodeStore.retrieve()

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            public NodeState merge(@Nonnull NodeBuilder builder,
                    @Nonnull CommitHook commitHook, @Nullable CommitInfo info)
                    throws CommitFailedException {
                Semaphore s = locks.get(Thread.currentThread());
                if (s != null) {
                    s.acquireUninterruptibly();
                }
                return super.merge(builder, commitHook, info);
            }
        };
        IndexEditorProvider provider = new PropertyIndexEditorProvider();

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