Apache.NMS.Util.CountDownLatch.countDown C# (CSharp) Method

        public void countDown()
        {
            lock(mutex)
            {
                if(remaining > 0)
                {
                    remaining--;
                    if(0 == remaining)
                    {
                        mutex.Set();
                    }
                }
            }
        }

        public virtual void TestMixedTypesDifferentThreads()
        {
            Directory dir = NewDirectory();
            IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())));

            CountDownLatch startingGun = new CountDownLatch(1);
            AtomicBoolean hitExc = new AtomicBoolean();
            ThreadClass[] threads = new ThreadClass[3];
            for (int i = 0; i < 3; i++)
            {
                Field field;
                if (i == 0)
                {
                    field = new SortedDocValuesField("foo", new BytesRef("hello"));
                }
                else if (i == 1)
                {
                    field = new NumericDocValuesField("foo", 0);
                }
                else
                {
                    field = new BinaryDocValuesField("foo", new BytesRef("bazz"));
                }
                Document doc = new Document();
                doc.Add(field);

                threads[i] = new ThreadAnonymousInnerClassHelper(this, w, startingGun, hitExc, doc);
                threads[i].Start();
            }

            startingGun.countDown();

            foreach (ThreadClass t in threads)
            {
                t.Join();
            }
            Assert.IsTrue(hitExc.Get());
            w.Dispose();
            dir.Dispose();
        }