public IPersistentStorage GetStorage(Solution solution, bool checkBranchId)
{
if (!DatabaseSupported(solution, checkBranchId))
{
return(NoOpPersistentStorage.Instance);
}
lock (_lock)
{
// Do we already have storage for this?
if (solution.Id == _currentPersistentStorageSolutionId)
{
// We do, great
return(PersistentStorageReferenceCountedDisposableWrapper.AddRefrenceCountToAndCreateWrapper(_currentPersistentStorage));
}
if (!SolutionSizeAboveThreshold(solution))
{
return(NoOpPersistentStorage.Instance);
}
string workingFolder = _locationService.TryGetStorageLocation(solution.Id);
if (workingFolder == null)
{
return(NoOpPersistentStorage.Instance);
}
if (!_subscribedToLocationServiceChangeEvents)
{
_locationService.StorageLocationChanging += LocationServiceStorageLocationChanging;
_subscribedToLocationServiceChangeEvents = true;
}
// If we already had some previous cached service, let's let it start cleaning up
if (_currentPersistentStorage != null)
{
var storageToDispose = _currentPersistentStorage;
Task.Run(() => storageToDispose.Dispose());
_currentPersistentStorage = null;
_currentPersistentStorageSolutionId = null;
}
_currentPersistentStorage = TryCreatePersistentStorage(solution, workingFolder);
if (_currentPersistentStorage == null)
{
return(NoOpPersistentStorage.Instance);
}
_currentPersistentStorageSolutionId = solution.Id;
return(PersistentStorageReferenceCountedDisposableWrapper.AddRefrenceCountToAndCreateWrapper(_currentPersistentStorage));
}
}
internal IChecksummedPersistentStorage GetStorageWorker(Solution solution)
{
lock (_lock)
{
// Do we already have storage for this?
if (solution.Id == _currentPersistentStorageSolutionId)
{
// We do, great
return(PersistentStorageReferenceCountedDisposableWrapper.AddReferenceCountToAndCreateWrapper(_currentPersistentStorage));
}
if (!SolutionSizeAboveThreshold(solution))
{
return(NoOpPersistentStorage.Instance);
}
var workingFolder = _locationService.TryGetStorageLocation(solution);
if (workingFolder == null)
{
return(NoOpPersistentStorage.Instance);
}
// If we already had some previous cached service, let's let it start cleaning up
if (_currentPersistentStorage != null)
{
var storageToDispose = _currentPersistentStorage;
Task.Run(() => storageToDispose.Dispose());
_currentPersistentStorage = null;
_currentPersistentStorageSolutionId = null;
}
_currentPersistentStorage = TryCreatePersistentStorage(solution, workingFolder);
if (_currentPersistentStorage == null)
{
return(NoOpPersistentStorage.Instance);
}
_currentPersistentStorageSolutionId = solution.Id;
return(PersistentStorageReferenceCountedDisposableWrapper.AddReferenceCountToAndCreateWrapper(_currentPersistentStorage));
}
}
