Transformers in Mule are simple objects that convert the current message from one type to another. The interface for a transformer is simple, but there are some tips and tricks for getting the most out of transformers. For this post we will define a transformer the converts from an Order object to HTML so that we can email the details of an order to a customer.
I just got back from QCon in San Francisco. QCon is one of the best conferences around (IMHO). The speakers are great, the content quality is excellent, and the hallway conversations are thought provoking. If only I could’ve attended more!
Over the past few months the momentum and activity from the community around Mule has been truly astounding. As you may have seen in the newsletter Ross recently sent out, we’re continuing to update our community site to highlight some of the great things you have been doing. We’re also starting to get more involved with local JUGs and mixers around the globe so that we can learn from you and share roadmap and product updates before they go prime time.
The Mule expression framework was one of the new features in Mule 2. It provides a very powerful way to make queries on incoming messages and use the results to control how Mule behaves. Mule already supports a variety of expression languages such as Xpath and Groovy. There is also expressions for navigating the current message headers, payload and attachments.
There are several ways to tune performance in Mule. I’ve just finished a page on performance tuning in the Mule 2.x User Guide that walks through the available performance tuning options and provides formulas for calculating threads. Following is an excerpt of the high-level information from that page.
In this episode, MuleSource CTO and co-founder Ross Mason speaks with David Dossot and John D’Emic about their recently released book “Mule in Action” published by Manning. During this podcast the authors discuss why they wrote the book, what readers (and users of Mule) can expect, and some tips on getting started with Mule today.
Galaxy includes many standard events you can use right out of the box, such as ENTRY_CREATED and LIFECYCLE_TRANSITION. (For the full list, click here). Using the Event API, you can also create your own events and create scripts that listen for them.
You may have noticed a lot of changes to the MuleSource documentation wiki lately. With the help of all of our great developers, I’ve been slowly updating the pages, validating content, updating outdated information, and restructuring. We’ve also added a lot of new content to the Getting Started guide and set up navigation so that it flows like a book, making it easier for new users to get up and running.
On November 18, 2008 at 9:00 AM PST (15:00 GMT) Wey Cheng and I will be presenting a webinar on Using MuleHQ to Manage Performance. You can register for the webinar here. Wey and I have been preparing an example to demonstrate typical read-world application performance issues and how to use MuleHQ to troubleshoot and resolve them. The webinar will focus on a live demo running a Mule application under load, observing some performance degradation,
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