public async Task <TDocument> GetOrCreateMutableAsync(Func <Task <TDocument> > factoryAsync = null)
{
TDocument document = null;
if (!_isVolatile)
{
document = await DocumentStore.GetOrCreateMutableAsync(factoryAsync);
if (_memoryCache.TryGetValue <TDocument>(_options.CacheKey, out var cached) && document == cached)
{
throw new InvalidOperationException("Can't load for update a cached object");
}
}
else
{
var volatileCache = ShellScope.Get <TDocument>(typeof(TDocument));
if (volatileCache != null)
{
document = volatileCache;
}
else
{
document = await GetFromDistributedCacheAsync()
?? await(factoryAsync?.Invoke() ?? Task.FromResult((TDocument)null))
?? new TDocument();
ShellScope.Set(typeof(TDocument), document);
}
}
document.Identifier = IdGenerator.GenerateId();
return(document);
}
/// <inheritdoc />
public async Task <T> GetOrCreateMutableAsync <T>(Func <Task <T> > factoryAsync = null) where T : class, new()
{
var loaded = ShellScope.Get <T>(typeof(T));
if (loaded != null)
{
return(loaded);
}
var document = await GetDocumentAsync <T>()
?? await(factoryAsync?.Invoke() ?? Task.FromResult((T)null))
?? new T();
ShellScope.Set(typeof(T), document);
return(document);
}