All Questions
Tagged with asyncdesign-patterns
8 questions
1vote
0answers
222views
Proper code structure for a Servlet using caching and async
I'm using an Java Servlet (with embedded Jetty, no Spring, no frameworks) and I'm adding asynchronous processing and caching to it. The exact implementation is irrelevant to this question and it's not ...
5votes
1answer
4kviews
Pattern for subclass overload with different arguments
I'm in the process of writing an bidirectional, asynchronous socket server and server handler. The base handler class I'm working off of is as follows: class BaseAsyncSocketHandler: async def ...
1vote
1answer
2kviews
Handling multiple asynchronous events - Wait for pending offers to process on new offer?
I have a programming problem, that I don't know how to solve. And while I have provided a sample of my code, I am interested in a conceptual answer on how to resolve this problem. On a tradeOffers ...
2votes
0answers
272views
Callback pattern handling exceptions - Best practices in .NET 3.5
I am looking to implement the callback pattern with error handling such that error is caught and pass to the callback code with the response. Since I am using .NET 3.5, I cant use Task (TAP) pattern ...
-2votes
2answers
198views
Calling blocking functions and execute code when result is ready, but without callbacks
I am designing an application that has some scripting capabilities: the host application may call the scripts to perform some operations when some events occur. To keep it easy and newbie-friendly, ...
4votes
1answer
587views
Asynchronous update design/interaction patterns
These days many apps support asynchronous updates. For example, if you're looking at a list of widgets and you delete one of them then rather than wait for the roundtrip to the server, the app can ...
4votes
2answers
2kviews
How do you decide to Queue/Dispatch events Sync or Async? (in Observer Pattern)
Consider the following elements in an event-driven architecture: Observable Object Event Dispatcher Observer(Listener) Now, we have two messages: From Observable Object to Event Dispatcher From Event ...
1vote
5answers
856views
Ways of handling asynchronous receive calls
I am implementing a primitive message-passing system. Currently, I am designing a receive function for async calls. Can I implement such a async receive function without using callback functions?