public bool DeleteIndex(string fileOrFolderPath)
{
try
{
var query = new BooleanQuery
{
{ new TermQuery(GetNoneTokenizeFieldTerm(nameof(CodeSource.FilePath), fileOrFolderPath)), Occur.SHOULD },
{ new PrefixQuery(GetNoneTokenizeFieldTerm(nameof(CodeSource.FilePath), fileOrFolderPath + Path.DirectorySeparatorChar)), Occur.SHOULD }
};
CodeIndexPool.DeleteIndex(query, out var documentsBeenDeleted);
if (documentsBeenDeleted.Length >= 1)
{
var wordsNeedToRemove = new HashSet <string>();
foreach (var document in documentsBeenDeleted)
{
AddHintWords(wordsNeedToRemove, GetCodeSourceFromDocument(document).Content);
}
Log.LogInformation($"{Name}: Find {wordsNeedToRemove.Count} Delete Candidates Words With Path {fileOrFolderPath}");
if (documentsBeenDeleted.Length > 1)
{
Log.LogInformation($"{Name}: Find {documentsBeenDeleted.Length} Documents With Path {fileOrFolderPath} To Delete");
}
foreach (var needToDeleteWord in wordsNeedToRemove)
{
if (!CodeIndexPool.Exists(new TermQuery(new Term(GetCaseSensitiveField(nameof(CodeSource.Content)), needToDeleteWord))))
{
HintIndexPool.DeleteIndex(new Term(nameof(CodeWord.Word), needToDeleteWord));
}
}
}
else
{
Log.LogWarning($"{Name}: Find No Documents To Delete For {fileOrFolderPath}");
}
Log.LogInformation($"{Name}: Delete index For {fileOrFolderPath} finished");
return(true);
}
catch (Exception ex)
{
Log.LogError($"{Name}: Delete index for {fileOrFolderPath} failed, exception: " + ex);
return(false);
}
}
public IndexBuildResults UpdateIndex(FileInfo fileInfo, CancellationToken cancellationToken)
{
try
{
if (fileInfo.Exists)
{
cancellationToken.ThrowIfCancellationRequested();
var source = CodeSource.GetCodeSource(fileInfo, FilesContentHelper.ReadAllText(fileInfo.FullName));
var words = new HashSet <string>();
AddHintWords(words, source.Content);
var doc = IndexBuilderHelper.GetDocumentFromSource(source);
CodeIndexPool.UpdateIndex(GetNoneTokenizeFieldTerm(nameof(CodeSource.FilePath), source.FilePath), doc, out var rawDocuments);
if (rawDocuments.Length >= 1)
{
var rawWords = new HashSet <string>();
AddHintWords(rawWords, GetCodeSourceFromDocument(rawDocuments[0]).Content);
var wordsNeedToRemove = rawWords.Except(words).ToArray();
var wordsNeedToAdd = words.Except(rawWords);
words = wordsNeedToAdd.ToHashSet();
Log.LogInformation($"{Name}: Find {wordsNeedToRemove.Length} Delete Candidates Words, {words.Count} Update Candidates Words With Path {source.FilePath}");
if (rawDocuments.Length > 1)
{
Log.LogError($"{Name}: Find {rawDocuments.Length} Documents With Path {source.FilePath} To Update");
}
foreach (var needToDeleteWord in wordsNeedToRemove)
{
if (!CodeIndexPool.Exists(new TermQuery(new Term(GetCaseSensitiveField(nameof(CodeSource.Content)), needToDeleteWord))))
{
HintIndexPool.DeleteIndex(new Term(nameof(CodeWord.Word), needToDeleteWord));
}
}
}
else
{
Log.LogError($"{Name}: Find 0 Document To Update With Path {source.FilePath}, Create New Index");
}
foreach (var word in words)
{
HintIndexPool.UpdateIndex(new Term(nameof(CodeWord.Word), word), new Document
{
new StringField(nameof(CodeWord.Word), word, Field.Store.YES),
new StringField(nameof(CodeWord.WordLower), word.ToLowerInvariant(), Field.Store.YES)
});
}
Log.LogInformation($"{Name}: Update index For {source.FilePath} finished");
}
return(IndexBuildResults.Successful);
}
catch (Exception ex)
{
Log.LogError($"{Name}: Update index for {fileInfo.FullName} failed, exception: " + ex);
if (ex is IOException)
{
return(IndexBuildResults.FailedWithIOException);
}
else if (ex is OperationCanceledException)
{
throw;
}
return(IndexBuildResults.FailedWithError);
}
}