Lucene.Net.Index.TestConcurrentMergeScheduler.ConcurrentMergeSchedulerAnonymousInnerClassHelper.DoMerge C# (CSharp) Метод

            protected internal override void DoMerge(MergePolicy.OneMerge merge)
            {
                try
                {
                    // Stall all incoming merges until we see
                    // maxMergeCount:
                    int count = RunningMergeCount.IncrementAndGet();
                    try
                    {
                        Assert.IsTrue(count <= MaxMergeCount, "count=" + count + " vs maxMergeCount=" + MaxMergeCount);
                        EnoughMergesWaiting.Signal();

                        // Stall this merge until we see exactly
                        // maxMergeCount merges waiting
                        while (true)
                        {
                            // wait for 10 milliseconds
                            if (EnoughMergesWaiting.Wait(new TimeSpan(0, 0, 0, 0, 10)) || Failed.Get())
                            {
                                break;
                            }
                        }
                        // Then sleep a bit to give a chance for the bug
                        // (too many pending merges) to appear:
                        Thread.Sleep(20);
                        base.DoMerge(merge);
                    }
                    finally
                    {
                        RunningMergeCount.DecrementAndGet();
                    }
                }
                catch (Exception t)
                {
                    Failed.Set(true);
                    Writer.MergeFinish(merge);
                    throw new Exception(t.Message, t);
                }
            }
        }