ODP .NET AQ Getting Exception Messages Queue
How can I dequeue Exception Messages from a Oracle Message Queue using ODP? I'm using the default queue for exceptions. Thanks!! ...
message-queue
SQL Queue, execute SP at a future date
I am using SQL Server 2005... I want to monitor table1 with a trigger for an update. On the occurrence of this update, I will check another table (table2), using the data from table2 I place an item in the queue to execute at a variable date in the future. Could be 10 seconds from now, or 2 hours, this date is determined from checking...
Mock or simulate Message Queue (JMS)
There is a message(text), which format and content i definitely know. For now,class in Java,that parses and reads this message from file,is implemented. In real world, this message will come from Message Queue. For now I should simulate, mock or generate Message Queue on my local PC for testing purposes. Java spec(java jms): JMS prov...
Can you publish a message while processing a queue in RabbitMQ .Net Client?
Hello, I have a couple messaging scenarios I need help with using RabbitMQ 2.1.0 in c#... 1) I would like to have a subscriber listening to "raw" queue; then do some preprocessing and publish a new message, such as "preprocessed" to the same exchange. 2) similar to 1 but publish to a different exchange I noticed in the .Net Client User ...
C# - Throttling a MessageQueue.
Hi all. I have code that sends a message into a MessageQueue. _queue.Send(new Message(myData)); This queue is on the local machine and the threads that Receive() from it are in the same process. What happens if the messages are inserted faster than they are extracted? Will Send() block? Is there a way for me to know if the MessageQu...
ebay, how do they end their auctions when time expired?
How does eBay end their auctions and mark the winner? Assume there is an auction end date in the database, once that time has passed the current time, the auction needs to be closed, mark the winner, etc. How is something like this handled in sql 2005? Do they query the db every second to find the expired auctions? Obviously they need to...
Asynchronous vs. synchronous Web Services practices?
I venture that most but not all web services today are synchronous. A fundamental design decision existing if to implement asynchronous processing. Is there value in implementing a processing queue system for asynchronous web services? It is a MOM/infrastructure decision with which I am toying. Instead of going system-to-system imple...
Which MQ implementation would be suitable
Hi I have to implement Message Queue on site which do 20K/Day write operation in Database. We are willing to introduce message queues to take load off these write operations. I dont know much about Message Queue Implementation. If we implement it on one server only will it be helpful? or suggest some better impentation. Also which MQ t...
C++ iptables libipq create multiple queues at same time
How can I create two different ip_queues, running at the same time? One of it can listen for incoming packets on one port and another can listen for outgoing packets on the same port. ...
Recomendation on Mule JMS queue config?
Dear readers I'm working on updating an existing Mule configuration and the task is to enhance it to route messages to different endpoints depending on some properties of the messages, therefore it would be nice to have some pros and cons on the two options I have at hand: 1) Add properties on the message, using the "message-properties...
Possible to pre-empt the Windows message loop?
I have a wpf application that populates an Infragistics XamDataGrid by the usual method of binding an observable collection to the grid. As each data item is populated into the collection, one at a time, the grid updates. I also have a cancel button that I would like to immediately stop the population if the user clicks it. However, it ...
Best solution architecture for user notifications in Java/Grails environment?
Hello, I am building a community website using Grails and I want to implement user notifications exactly like stackoverflow.com. For instance, user will get notified for new events ('You have new comments', 'one of your favorite has changed'...) either by email or in his mailbox anytime he returns to the website. I suppose that this is...
JMS between Enterprise applications
Hi We have a project where we want to link 2 enterprise systems together using JMS. In a nutshell, system 1 sends a message to the queue. Systems2 picks up that message, does a whole load of processing in the background for about 30mintues and then sends a message back to the queue for System1 to pick up. Can we get away with 1 queue o...