public UserDefinedSearchesManager(
Persistence.IStorageManager storage,
IFiltersFactory filtersFactory,
ISynchronizationContext modelThreadSynchronization
)
{
this.filtersFactory = filtersFactory;
this.storageEntry = new Lazy <Persistence.IStorageEntry>(() => storage.GetEntry("UserDefinedSearches"));
this.changeHandlerInvoker = new AsyncInvokeHelper(modelThreadSynchronization, HandleChange);
LoadItems();
}
internal SearchManager(
ILogSourcesManager sources,
ISynchronizationContext modelSynchronization,
IHeartBeatTimer heartBeat,
ISearchObjectsFactory factory,
IChangeNotification changeNotification
)
{
this.sources = sources;
this.factory = factory;
this.changeNotification = changeNotification;
this.combinedSearchResult = factory.CreateCombinedSearchResult(this);
this.combinedResultUpdateInvoker = new AsyncInvokeHelper(
modelSynchronization, UpdateCombinedResult);
this.combinedResultNeedsLazyUpdateFlag = new LazyUpdateFlag();
sources.OnLogSourceAdded += (s, e) =>
{
results.ForEach(r => r.FireChangeEventIfContainsSourceResults(s as ILogSource));
};
sources.OnLogSourceRemoved += (s, e) =>
{
results.ForEach(r => r.FireChangeEventIfContainsSourceResults(s as ILogSource));
// Search result is fully disposed if it contains messages
// only from disposed log sources.
// Fully disposed results are automatically dropped.
var toBeDropped = results.Where(
r => r.Results.All(sr => sr.Source.IsDisposed)).ToHashSet();
var nrOfFullyDisposedResults = DisposeResults(toBeDropped);
if (nrOfFullyDisposedResults > 0 && SearchResultsChanged != null)
{
SearchResultsChanged(this, EventArgs.Empty);
}
if (nrOfFullyDisposedResults > 0)
{
changeNotification.Post();
combinedResultNeedsLazyUpdateFlag.Invalidate();
}
};
heartBeat.OnTimer += (s, e) =>
{
if (e.IsNormalUpdate && combinedResultNeedsLazyUpdateFlag.Validate())
{
combinedResultUpdateInvoker.Invoke();
}
};
}
public SearchResult(
ISearchManagerInternal owner,
SearchAllOptions options,
IFilter optionsFilter,
IList <ILogSourceSearchWorkerInternal> workers,
Progress.IProgressAggregatorFactory progressAggregatorFactory,
ISynchronizationContext modelSynchronization,
Settings.IGlobalSettingsAccessor settings,
int id,
ISearchObjectsFactory factory,
ITraceSourceFactory traceSourceFactory
)
{
this.owner = owner;
this.options = options;
this.optionsFilter = optionsFilter;
this.factory = factory;
this.modelSynchronization = modelSynchronization;
this.id = id;
this.cancellation = new CancellationTokenSource();
this.results = new List <ISourceSearchResultInternal>();
this.progressAggregator = progressAggregatorFactory.CreateProgressAggregator();
this.updateInvokationHelper = new AsyncInvokeHelper(modelSynchronization, UpdateStatus);
this.hitsLimit = settings.MaxNumberOfHitsInSearchResultsView;
this.visible = true;
this.trace = traceSourceFactory.CreateTraceSource("SearchManager", "sr." + id.ToString());
this.timeGapsDetector = new TimeGapsDetector(trace, modelSynchronization, this, traceSourceFactory);
this.timeGapsDetector.OnTimeGapsChanged += (s, e) =>
{
owner.OnResultChanged(this, SearchResultChangeFlag.TimeGapsChanged);
};
this.progressAggregator.ProgressChanged += HandleProgressChanged;
this.searchTime = Stopwatch.StartNew();
this.results.AddRange(workers.Select(w => factory.CreateSourceSearchResults(w, this, cancellation.Token, progressAggregator)));
if (results.Count == 0)
{
status = SearchResultStatus.Finished;
HandleFinalStateTransition();
}
}
public BookmarkController(
IBookmarks bookmarks,
IModelThreads threads,
IHeartBeatTimer heartbeat,
ISynchronizationContext synchronization
)
{
tracer = LJTraceSource.EmptyTracer;
bookmarksPurge = new AsyncInvokeHelper(synchronization, bookmarks.PurgeBookmarksForDisposedThreads);
threads.OnThreadListChanged += (s, e) =>
{
bookmarksPurge.Invoke();
};
bookmarks.OnBookmarksChanged += (sender, e) =>
{
if (e.Type == BookmarksChangedEventArgs.ChangeType.Added || e.Type == BookmarksChangedEventArgs.ChangeType.Removed ||
e.Type == BookmarksChangedEventArgs.ChangeType.RemovedAll || e.Type == BookmarksChangedEventArgs.ChangeType.Purged)
{
foreach (var affectedSource in
e.AffectedBookmarks
.Select(b => b.GetLogSource())
.Where(s => s.LogSourceStateIsOkToChangePersistentState())
.Distinct())
{
try
{
affectedSource.StoreBookmarks();
}
catch (Persistence.StorageException storageException)
{
tracer.Error(storageException, "Failed to store bookmarks for log {0}",
affectedSource.GetSafeConnectionId());
}
}
}
};
}
