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Eventing Data with RabbitMQ and Riak

As new applications take advantage of the scalability benefits of message brokers like RabbitMQ and cloud-scale datastores like Riak, it’s inevitable that the two should become fast friends (the kind who actually talk to each other in person rather than the kind whose only contact is through Facebook).

So many of the applications we find ourselves writing these days have these two functions in the same application. Very often we want to update data as the result of a message or send a message as the result of updated data. Two new utilities facilitating RabbitMQ and Riak integration allow you to do either directly inside their respective servers.

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Deeper into Grails & Cloud Foundry

In my previous post, I showed you how easy it is to deploy a Grails application to Cloud Foundry using the corresponding plugin. Hopefully that whetted your appetite and you are ready to look at a more complex Grails application that demonstrates the power of the GORM plugins and stretches the Cloud Foundry services. If you don’t have a Cloud Foundry account yet, please be patient. The response to the announcement has been phenomenal so it is going to take some time to work through the backlog of requests.

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This week in Spring: April 19th, 2011

Welcome back to This Week in Spring. The enthusiasm for last week's Cloud Foundry announcement was outstanding and appears to be getting stronger! People all over the world have flooded the SpringSource and CloudFoundry forums, downloads pages and source repositories. What unprecedented activity!

Many of the different, powerful technologies coming out of SpringSource recently have been leading up to the Cloud Foundry release so I invite you to review some of the exciting stuff that's come out in the last few months that have become even more interesting in terms of the cloud and Cloud Foundry: Spring Gemfire, Spring AMQP, Spring 3.1 profiles, Spring 3.1 caching abstraction, Spring Data, Spring Integration support for NoSQL, and Spring Hadoop, vFabric Hyperic, vFabric RabbitMQ, and vFabric GemFire. Of course, for all of these technologies - the first, and best, tooling and development experience continues to be SpringSource Tool Suite and Spring Roo.

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Spring Data Graph 1.0 with Neo4j support released today

This announcement post is a guest contribution by the developers of the Neo4j team that worked closely with SpringSource’s Spring Data team to provide the Spring Data Graph integration library.

Spring Data Graph Logo

For a friendly introduction to Spring Data Graph we’re hosting a free webinar with VMware presented by Neo Technology’s CEO Emil Eifrem on April 20 at two convenient times for the Americas and Europe. [Update: The webinar video is now available on youtube in the SpringSourceDev channel.]

Now that Spring is in the air, the Neo4j and Spring Data teams are happy that almost a year’s worth of work has produced our 1.0 version of the Spring Data Graph library. The Spring Data project aims to bring the convenient programming model of the Spring Framework to NOSQL databases. Spring Data Graph supports graph databases within Spring Data and includes support for Neo4j as its first supported implementation.

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Spring Data Graph 1.0 with Neo4j support released

Dear Spring Community,

We are pleased to announce that the first release (1.0.0.RELEASE) of the Spring Data Graph 1.0 project with Neo4j support is now available!
This marks the first in a series of releases of the Spring Data subprojects over the next few months.

The primary goal of the Spring Data project is to make it easier to build Spring-powered applications that use new data access technologies such as non-relational databases, map-reduce frameworks, and cloud based data services.

A guest blog post detailing the release has been published on the SpringSource Blogs.

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Spring.NET REST Client 1.0.0 is now Available

Dear Spring Community,



We are pleased to announce that Spring.NET REST Client 1.0.0 is now available.



Download
| Support | Documentation
Community

Spring.NET REST Client is a lightweight library (~60k-80k, depending on your target platform) that has no direct dependency on the Spring.NET Framework. It can be used either by itself in isolation or in combination with the remainder of the Spring.NET Framework to suit different usage scenarios.

The 1.0.0 release of Spring.NET REST Client contains:

       <ul>
         <li class="newslist">A RestTemplate class for client-side access to RESTful services</li>
         <li class="newslist">A set of HTTP message converters used to marshal objects into the HTTP request body and to unmarshal any response back into an object.</li>
       </ul>
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Using Cloud Foundry from STS

By now you probably heard about Cloud Foundry, the open PaaS from VMware that was announced yesterday; if not make sure to check out the recording of the webcast. Eventually you have already read earlier blog posts introducing the Spring support for Cloud Foundry, the add-on for Spring Roo and the Grails plug-in.

With this post I’d like to introduce the Eclipse-based support for Cloud Foundry that lets you manage your cloud deployments, including configuration of Services and service bindings, application scaling, access to file resources and much more.

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One-step deployment with Grails and Cloud Foundry

A couple of years back, the co-founder of a startup spoke at the London Groovy and Grails User Group. I remember vividly how he said he dreamed of deploying a Grails application with “just one click”. With the announcement of the new Cloud Foundry service, his dream is nearly a reality for all Grails users. Now you not only get simple and rapid development with Grails, but also simple and rapid deployment to a cloud hosting provider.

So how do Grails and Cloud Foundry work together? As long time Grails users would expect, we have a plugin for that! To demonstrate how it works I’m going to walk you through deploying a sample application, Pet Clinic, to Cloud Foundry. It’s a simple application and you can see it in action on Cloud Foundry already.

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Roo + Cloud Foundry = Productivity in the Cloud

Today marks an important day for developers, with the public beta release of Cloud Foundry, VMware’s open source Platform as a Service offering. Rod Johnson’s blog contains a lot of background details about this exciting announcement, and Mark Fisher’s post offers a first look at the service and how easily applications can move between a local environment and the cloud. As both Rod and Mark highlight today’s announcement is about enhancing and ensuring developer productivity.

In support of this new service and platform we are pleased to announce that we have integrated Cloud Foundry support into Spring Roo - Spring’s rapid application development tool for Java developers. Now you can take Roo’s productivity to the cloud and you don’t even have to leave the shell! There are dozens of commands to make it easy to work with Cloud Foundry, and of course you can build a new application and deploy it to Cloud Foundry in just a few minutes. Once you’ve logged in, it’s as simple as using the new “cloud foundry deploy” command and you’re done.

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Cloud Foundry for Spring Developers

By now, many of you have probably seen the Cloud Foundry webinar and Rod’s blog from earlier today. I’d like to provide a quick follow-up that features a “hello-spring” sample application deployed in the cloud. Thanks to Cloud Foundry, there’s practically no learning curve at all.

Before we get started, let’s consider three goals that have driven Spring from day one:


  1. focus on simplicity and productivity to make developers lives easier

  2. support innovative technologies in a consistent way

  3. ensure portability of applications across deployment environments

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