private async ValueTask <IDictionary <string, ActivityType> > GetDictionaryAsync(CancellationToken cancellationToken)
{
return(await _memoryCache.GetOrCreate(CacheKey, async entry =>
{
entry.Monitor(_cacheSignal.GetToken(CacheKey));
return await GetActivityTypesInternalAsync(cancellationToken).ToDictionaryAsync(x => x.TypeName, cancellationToken);
}));
}
private async Task <ICollection <IWorkflowBlueprint> > ListInternalAsync(CancellationToken cancellationToken)
{
return(await _memoryCache.GetOrCreateAsync(CacheKey, async entry =>
{
entry.Monitor(_cacheSignal.GetToken(CacheKey));
return await _workflowRegistry.ListAsync(cancellationToken).ToList();
}));
}
public override ValueTask SaveAsync(WorkflowStorageContext context, string key, object?value, CancellationToken cancellationToken = default)
{
var workflowInstanceId = context.WorkflowInstance.Id;
var activityId = context.ActivityId;
var cacheKey = GetKey(workflowInstanceId, activityId, key);
var options = new MemoryCacheEntryOptions();
options.ExpirationTokens.Add(_cacheSignal.GetToken(GetSignalKey(workflowInstanceId)));
_cache.Set(cacheKey, value, options);
return(new ValueTask());
}
public async Task <IWorkflowBlueprint?> FindInternalAsync(string cacheKey, Func <Task <IWorkflowBlueprint?> > findAction, CancellationToken cancellationToken = default)
{
return(await _memoryCache.GetOrCreateAsync(cacheKey, async entry =>
{
var workflowBlueprint = await findAction();
if (workflowBlueprint != null)
{
var key = GetEvictionKey(workflowBlueprint.Id);
entry.Monitor(_cacheSignal.GetToken(key));
}
return workflowBlueprint;
}));
}
public IChangeToken GetToken(string key) => _cacheSignal.GetToken(key);