void InitializeIndexCore(bool forceRebuild)
{
var folders = IndexConfig.GetFolders(CodeIndexConfiguration.LuceneIndex);
IndexBuilder = new CodeIndexBuilder(
IndexConfig.IndexName,
new LucenePoolLight(folders.CodeIndexFolder),
new LucenePoolLight(folders.HintIndexFolder),
Log);
IndexBuilder.InitIndexFolderIfNeeded();
Status = IndexStatus.Initializing_ComponentInitializeFinished;
ChangedSources = new ConcurrentQueue <ChangedSource>();
PendingRetryCodeSources = new ConcurrentQueue <PendingRetrySource>();
FilesWatcher = FilesWatcherHelper.StartWatch(IndexConfig.MonitorFolder, OnChange, OnRename);
Log.LogInformation($"{IndexConfig.IndexName}: Start Watch files change");
var allFiles = FilesFetcher.FetchAllFiles(IndexConfig.MonitorFolder, IndexConfig.ExcludedExtensionsArray, IndexConfig.ExcludedPathsArray, includedExtensions: IndexConfig.IncludedExtensionsArray, isInLinux: CodeIndexConfiguration.IsInLinux).ToList();
Log.LogInformation($"{IndexConfig.IndexName}: Fetching {allFiles.Count} files need to indexing");
List <FileInfo> needToBuildIndex = null;
var failedUpdateOrDeleteFiles = new List <string>();
var brandNewBuild = false;
if (IndexBuilderHelper.IndexExists(IndexBuilder.CodeIndexPool.LuceneIndex))
{
if (forceRebuild)
{
brandNewBuild = true;
Log.LogInformation($"{IndexConfig.IndexName}: Force rebuild all indexes");
IndexBuilder.DeleteAllIndex();
}
else
{
Log.LogInformation($"{IndexConfig.IndexName}: Compare index difference");
var allCodeSource = IndexBuilder.GetAllIndexedCodeSource();
GC.Collect(); // Run GC after fetching massive documents from index
needToBuildIndex = new List <FileInfo>();
var allFilesDictionary = allFiles.ToDictionary(u => u.FullName);
foreach (var codeSource in allCodeSource)
{
TokenSource.Token.ThrowIfCancellationRequested();
if (allFilesDictionary.TryGetValue(codeSource.FilePath, out var fileInfo))
{
if (fileInfo.LastWriteTimeUtc != codeSource.LastWriteTimeUtc)
{
Log.LogInformation($"{IndexConfig.IndexName}: File {fileInfo.FullName} modified");
if (IndexBuilder.UpdateIndex(fileInfo, TokenSource.Token) != IndexBuildResults.Successful)
{
failedUpdateOrDeleteFiles.Add(codeSource.FilePath);
}
}
allFilesDictionary.Remove(codeSource.FilePath);
}
else
{
Log.LogInformation($"{IndexConfig.IndexName}: File {codeSource.FilePath} deleted");
if (!IndexBuilder.DeleteIndex(codeSource.FilePath))
{
failedUpdateOrDeleteFiles.Add(codeSource.FilePath);
}
}
}
foreach (var needToCreateFiles in allFilesDictionary)
{
Log.LogInformation($"{IndexConfig.IndexName}: Found new file {needToCreateFiles.Value.FullName}");
needToBuildIndex.Add(needToCreateFiles.Value);
}
}
}
else
{
brandNewBuild = true;
}
AddNewIndexFiles(needToBuildIndex ?? allFiles, out var failedIndexFiles, brandNewBuild);
GC.Collect(); // Run GC to save the memory
IndexBuilder.Commit();
if (failedIndexFiles.Count > 0 || failedUpdateOrDeleteFiles.Count > 0)
{
Log.LogError($"{IndexConfig.IndexName}: Initialize finished for {IndexConfig.MonitorFolder}, failed with these file(s): {string.Join(", ", failedIndexFiles.Select(u => u.FullName).Concat(failedUpdateOrDeleteFiles))}");
}
else
{
Log.LogInformation($"{IndexConfig.IndexName}: Initialize finished for {IndexConfig.MonitorFolder}");
}
}
