private void InitializeCurrentIndexFromUserSettings(IEnumerable <IIndex> indexes, UserSettings userSettings)
{
if (indexes != null)
{
// Load current index from user settings...
if (userSettings != null)
{
var lastIndexUsed = indexes.FirstOrDefault(index => index.IndexPath.Equals(userSettings.LastSelectedIndex, StringComparison.OrdinalIgnoreCase));
mCurrentIndex = lastIndexUsed != null ? new IndexViewModel(lastIndexUsed) : null;
}
// Current index not set? Use first index in list.
if (mCurrentIndex == null)
{
mCurrentIndex = indexes.Any() ? new IndexViewModel(indexes.First()) : null;
}
// Update user settings.
if (userSettings != null && mCurrentIndex != null)
{
userSettings.LastSelectedIndex = mCurrentIndex.Index.IndexPath;
}
}
mCurrentSearcher = mCurrentIndex != null?mCurrentIndex.Index.CreateSearcher() : null;
}
public SearchService(IIndexSearcher indexSearcher)
{
if (indexSearcher == null)
{
throw new ArgumentNullException("indexSearcher");
}
this.indexSearcher = indexSearcher;
}
public async Task Invoke(HttpContext context)
{
if (IsValidContext(context))
{
SearchOptions searchOptions = GetSearchOptions(context);
IIndexSearcher searcher = GetSearcher();
SearchResult searchResult = searcher.Search(searchOptions);
context.Response.ContentType = _settings.ResponseContentType;
await context.Response.WriteAsync(searchResult.FormatToJson());
}
}
private static IIndexSearcher CreateSearcher()
{
IIndexSearcher searcher = null;
if (useTailFile)
{
searcher = new InMemoryIndexSearcher(headerPath, indexPath, tailPath);
}
else
{
searcher = new InMemoryIndexSearcher(headerPath, indexPath);
}
return(searcher);
}
private IIndexSearcher GetSearcher()
{
IIndexSearcher searcher = null;
if (_settings.UseMemorySearcher)
{
searcher = new InMemoryIndexSearcher(_headerFilePath, _indexFilePath, _tailFilePath);
}
else
{
searcher = new FileSystemIndexSearcher(_headerFilePath, _indexFilePath, _tailFilePath);
}
return(searcher);
}
public CompositeIndexSearcher(IIndexSearcher primarySearcher, IIndexSearcher secondarySearcher)
{
_primarySearcher = primarySearcher;
_secondarySearcher = secondarySearcher;
}
