Hi, We have SQL Server database setup. We are setting up a replication scenarios where we have one publisher and on subscriber. The subscriber will be used as a reporting platform so that we can run all the BI queries that we need and have to hit the server that is reciving all the data from our clients. The subscriber is set to pull ...
I would like to implement a simple Publish/Subscribe pattern where: A single publisher publishes a token (a pointer to an object) to its subscribers. Publisher and subscribers are all independent threads. I plan to add thread-safe queue to each of the subscriber such that Publisher can keep distributing the tokens to the subscribers whi...
My setup: JBoss Messaging 1.4 running on JBoss 4.2.3 I have a couple of MDB's that subscribes on one topic, and the MDB's onMessage() tries to deliver the received message to one web service each. My problem is that I can't figure out how to pause the subscriptions in the case when the web service is offline. My plan is to do the foll...
How do I get the number of JMS messages waiting to be consumed by a specific JMS message subscriber? I use the Topic model (publish/subscribe) and not the Queue model. I want my MDB (message driven bean) to be able to figure out this information about the topic it listens to. To be clear; I want my MDB to get the number of messages wait...
Suppose I created a JMS Topic (PropertiesTopic) with one subscriber (PropertiesSubscriber). PropertiesSubscriber is running in a load balanced application server cluster as shown in the picture below. When a message is delivered to PropertiesTopic, do all the instances of PropertiesSubscriber running on different app servers get tha...
Hi all, I started now with Pubsubhubbub (and all about realtime things), but I having trouble with the Subscriber option. I'm trying to develop a webapp in PHP to: Subscribe a RSS (previously Published) to the Hub (http://pubsubhubbub.appspot.com/); Read notifications (updates) from the Hub for the subscription; without succeed!!! :(...
Related to my previous question. Is there a way to block the subscription in compile time? Something like marking the event's "Add" as "private" in the implementor even though it's public in the interface. ...
Is the communication bi-directional in NServiceBus? a subscriber can also publish/send message? ...
In Publisher Subscriber model, is it fair for one subscriber to access the data changed by another subscriber Let's say I have a publisher - Publisher1, and two subscribers - Subscriber1 and Subscriber2. In this case, if Subscriber1 changes some data in the common data storage; is it fair for Subscriber2 to access that data. Downside ...
Guys, I have a task to do for my colleague and I need to know if is possible to specify the filter to subscribers when using replication in SQL Server? What I mean is, I don't want to create 3 types of publishers, each one to each one subscriber (with filter in publisher to redirect to specific subscriber but the inverse.) I want to in...
PubNub looks like a cool technology but I'm wondering if anyone is actually using it. How much traffic can it handle? It would be bad to design an app around it and have it fail to scale. pubnub.com ...
Hi guys, do you know a Wordpress plugin that provides the ability to group subscribers. It would be nice if there was a page for each group where a photo and some information can be inserted. The final website will be for a basketball club. So I need the groups as the teams. I haven't found anything so far. Thanks in advance ...