Lucene.Net.Index.CheckIndex.Main C# (CSharp) Method

		public static void  Main(System.String[] args)
		{
			
			bool doFix = false;
			var onlySegments = new List<string>();
			System.String indexPath = null;
			int i = 0;
			while (i < args.Length)
			{
				if (args[i].Equals("-fix"))
				{
					doFix = true;
					i++;
				}
				else if (args[i].Equals("-segment"))
				{
					if (i == args.Length - 1)
					{
						System.Console.Out.WriteLine("ERROR: missing name for -segment option");
						System.Environment.Exit(1);
					}
					onlySegments.Add(args[i + 1]);
					i += 2;
				}
				else
				{
					if (indexPath != null)
					{
						System.Console.Out.WriteLine("ERROR: unexpected extra argument '" + args[i] + "'");
						System.Environment.Exit(1);
					}
					indexPath = args[i];
					i++;
				}
			}
			
			if (indexPath == null)
			{
				System.Console.Out.WriteLine("\nERROR: index path not specified");
				System.Console.Out.WriteLine("\nUsage: java Lucene.Net.Index.CheckIndex pathToIndex [-fix] [-segment X] [-segment Y]\n" + "\n" + "  -fix: actually write a new segments_N file, removing any problematic segments\n" + "  -segment X: only check the specified segments.  This can be specified multiple\n" + "              times, to check more than one segment, eg '-segment _2 -segment _a'.\n" + "              You can't use this with the -fix option\n" + "\n" + "**WARNING**: -fix should only be used on an emergency basis as it will cause\n" + "documents (perhaps many) to be permanently removed from the index.  Always make\n" + "a backup copy of your index before running this!  Do not run this tool on an index\n" + "that is actively being written to.  You have been warned!\n" + "\n" + "Run without -fix, this tool will open the index, report version information\n" + "and report any exceptions it hits and what action it would take if -fix were\n" + "specified.  With -fix, this tool will remove any segments that have issues and\n" + "write a new segments_N file.  This means all documents contained in the affected\n" + "segments will be removed.\n" + "\n" + "This tool exits with exit code 1 if the index cannot be opened or has any\n" + "corruption, else 0.\n");
				System.Environment.Exit(1);
			}
			
			if (!AssertsOn())
				System.Console.Out.WriteLine("\nNOTE: testing will be more thorough if you run java with '-ea:Lucene.Net...', so assertions are enabled");
			
			if (onlySegments.Count == 0)
				onlySegments = null;
			else if (doFix)
			{
				System.Console.Out.WriteLine("ERROR: cannot specify both -fix and -segment");
				System.Environment.Exit(1);
			}
			
			System.Console.Out.WriteLine("\nOpening index @ " + indexPath + "\n");
			Directory dir = null;
			try
			{
				dir = FSDirectory.Open(new System.IO.DirectoryInfo(indexPath));
			}
			catch (Exception t)
			{
				Console.Out.WriteLine("ERROR: could not open directory \"" + indexPath + "\"; exiting");
				Console.Out.WriteLine(t.StackTrace);
				Environment.Exit(1);
			}
			
			var checker = new CheckIndex(dir);
			var tempWriter = new System.IO.StreamWriter(System.Console.OpenStandardOutput(), System.Console.Out.Encoding)
			                 	{AutoFlush = true};
			checker.SetInfoStream(tempWriter);
			
			Status result = checker.CheckIndex_Renamed_Method(onlySegments);
			if (result.missingSegments)
			{
				System.Environment.Exit(1);
			}
			
			if (!result.clean)
			{
				if (!doFix)
				{
					System.Console.Out.WriteLine("WARNING: would write new segments file, and " + result.totLoseDocCount + " documents would be lost, if -fix were specified\n");
				}
				else
				{
					Console.Out.WriteLine("WARNING: " + result.totLoseDocCount + " documents will be lost\n");
					Console.Out.WriteLine("NOTE: will write new segments file in 5 seconds; this will remove " + result.totLoseDocCount + " docs from the index. THIS IS YOUR LAST CHANCE TO CTRL+C!");
					for (var s = 0; s < 5; s++)
					{
						System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * 1000));
						System.Console.Out.WriteLine("  " + (5 - s) + "...");
					}
					Console.Out.WriteLine("Writing...");
					checker.FixIndex(result);
					Console.Out.WriteLine("OK");
					Console.Out.WriteLine("Wrote new segments file \"" + result.newSegments.GetCurrentSegmentFileName() + "\"");
				}
			}
			System.Console.Out.WriteLine("");
			
			int exitCode;
			if (result != null && result.clean == true)
				exitCode = 0;
			else
				exitCode = 1;
			System.Environment.Exit(exitCode);
		}
	}