Proof-of-Concept Using Spring Roo

Brice McIver Databases, Spring, Technology Snapshot 1 Comment

In my time with Keyhole, I’ve been involved in a number of projects where the client was asking us to rewrite a legacy system while retaining their existing database. Sometimes it helps to give a quick demo on how using current technologies can make it easier to develop, test, and maintain their code. One way I’ve found to get a …

Scaling Spring Batch – Step Partitioning

Jonny Hackett Java, Spring, Spring Batch, Technology Snapshot, Tutorial 19 Comments

We have talked about how to get up and running with Spring Batch in a few of previous articles. Now, we’re going to start discussing some of the strategies available for scaling Spring Batch. This article will focus on partitioning a step so that the step has several threads that are each processing a chunk of data in parallel. This …

Tutorial: RabbitMQ with Spring Framework

Zhihua Douglas Dong Java, Spring, Tutorial 13 Comments

In this quick tutorial, we will create a RabbitMQ Template to send messages to an exchange. The exchange we are working to send a message to is named “TUTORIAL-EXCHANGE” with a routing key of “my.routingkey.1”. We will then create an AMQP listener in order to listen for messages in the same exchange using the pattern of the sender’s routing key. …

Spring Batch Demo Application Published

Lauren Fournier Company News, Spring, Spring Batch Leave a Comment

Keyhole Software has opened access to the example application presented during the recent, successful Spring Batch Breakfast Boost educational seminar. The Spring Batch Breakfast Boost event functioned to educate the public on batch processing programs and how they are implemented with the Spring Batch framework. Presenter David Pitt leveraged both his own hands-on experience and an example application to get …