Lucene.Net.Index.IndexWriter.SetMessageID C# (CSharp) Method

		private void  SetMessageID(System.IO.StreamWriter infoStream)
		{
			lock (this)
			{
				if (infoStream != null && messageID == - 1)
				{
					lock (MESSAGE_ID_LOCK)
					{
						messageID = MESSAGE_ID++;
					}
				}
				this.infoStream = infoStream;
			}
		}