private void ReCalculate(ITextSnapshot fileSnapshot)
{
var recalculated = _tagsCache.ReCalculate((() =>
{
var configuration = _deveroomConfigurationProvider.GetConfiguration();
var bindingRegistry = _discoveryService?.GetBindingRegistry();
var bindingRegistryVersion = bindingRegistry?.Version;
var currentTagsCache = _tagsCache.Value;
if (currentTagsCache != null &&
currentTagsCache.SnapshotVersion == fileSnapshot.Version.VersionNumber &&
currentTagsCache.BindingRegistryVersion == bindingRegistryVersion &&
currentTagsCache.ConfigurationChangeTime == configuration.ConfigurationChangeTime)
{
return(currentTagsCache);
}
var deveroomTags = ReParse(fileSnapshot, bindingRegistry, configuration);
MonitorParse(deveroomTags);
return(new TagsCache(fileSnapshot, bindingRegistryVersion, configuration.ConfigurationChangeTime, deveroomTags));
}));
if (recalculated)
{
RaiseTagsChanged(fileSnapshot);
}
}