protected virtual async Task <bool> OnEnqueuingAsync(T data)
{
var args = new EnqueuingEventArgs <T> {
Queue = this, Data = data
};
await(Enqueuing?.InvokeAsync(this, args) ?? Task.CompletedTask).AnyContext();
return(!args.Cancel);
}
protected virtual async Task <bool> OnEnqueuingAsync(T data, QueueEntryOptions options)
{
var enqueueing = Enqueuing;
if (enqueueing == null)
{
return(false);
}
var args = new EnqueuingEventArgs <T> {
Queue = this, Data = data, Options = options
};
await enqueueing.InvokeAsync(this, args).AnyContext();
return(!args.Cancel);
}
protected override async Task OnEnqueuing(object sender, EnqueuingEventArgs <T> enqueuingEventArgs)
{
string uniqueIdentifier = GetUniqueIdentifier(enqueuingEventArgs.Data);
if (String.IsNullOrEmpty(uniqueIdentifier))
{
return;
}
bool success = await _cacheClient.AddAsync(uniqueIdentifier, true, _detectionWindow);
if (!success)
{
var logger = _loggerFactory.CreateLogger <T>();
logger.LogInformation("Discarding queue entry due to duplicate {UniqueIdentifier}", uniqueIdentifier);
enqueuingEventArgs.Cancel = true;
}
}
protected virtual async Task <bool> OnEnqueuingAsync(T data, QueueEntryOptions options)
{
if (String.IsNullOrEmpty(options.CorrelationId))
{
options.CorrelationId = Activity.Current?.Id;
}
var enqueueing = Enqueuing;
if (enqueueing == null)
{
return(false);
}
var args = new EnqueuingEventArgs <T> {
Queue = this, Data = data, Options = options
};
await enqueueing.InvokeAsync(this, args).AnyContext();
return(!args.Cancel);
}
protected virtual Task OnEnqueuing(object sender, EnqueuingEventArgs <T> enqueuingEventArgs)
{
return(TaskHelper.Completed());
}
