Hey,
this is cool!
-----Original Message-----
From: TheServerSide Connection
[mailto:[EMAIL PROTECTED]
Sent: Tuesday, August 05, 2003
12:26 PM
To: Jeff Schnitzer
Subject: Maverick, Mike Burba on
MDA, Gregor Kiczales on AOP, Hibernate, AspectJ, TMC Performance Study
![[TheServerSide Newsletter #16]]()
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August 5, 2003
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Newsletter Circulation: 130 000+
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No. 16
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This
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In This Issue
New Articles
o Introduction
to Maverick
Tech Talks
o Mike Burba on Model Driven
Architecture
o Gregor Kiczales on Aspect Oriented Programming
New Public Review Chapters
o Hibernate In Action:
Understanding object/relational persistence
Sample Chapters & Book Review
o AspectJ In Action: Syntax
Basics, Authentication & Authorization
o Dion Almaer Reviews AspectJ In Action
The Middleware Company Case Studies
o TMC Releases Performance
Case Study Results
Key J2EE Industry News Headlines
Some key headlines:
o Red Hat bundles BEA, joins ObjectWeb to work on OpenEJB, JOnAS
o BEA dev2dev Releases AOP System for WebLogic
This newsletter is transmitted twice a month. It is
printer-friendly and available online
New Articles
In this
introductory article, Kris Thompson looks at Maverick, a lightweight, simple to
use web presentation framework based on the MVC design principle. Kris goes
through the features of Maverick, examines the maverick.xml file, and walks you
through the 4 types of Controllers using code samples. He also looks at
optional features in Maverick such as support for Velocity and Domify.
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Tech
Talks
Topic: Model Driven
Architecture and the Productivity Case Study
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Mike
discusses Model Driven Architecture (MDA), how it compares to traditional
development approaches, and outlines the benefits it offers to developers and
architects. He examines what the MDA development process looks like, how
mappings occur from the Platform Independent Model (PIM) to the Platform
Specific Model (PSM), and looks at the patterns-based development approach,
which is a part of MDA. He also highlights the productivity case study
conducted by TMC and discusses the results.
Topic: Aspect Oriented
Programming (AOP)
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Gregor
looks at the history of AOP, its current state, and the current challenges it
faces moving forward. He discusses the meaning of crosscutting structure, the
standardization of AOP in the Java language, how AOP and OOP fit together, and
addresses syntactical issues surrounding AOP. He looks at the current state of
AspectJ, advises people on where they can go to learn more about AOP and
predicts the impact AOP will have on software development.
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New Public Review
Chapters
By Christian Bauer & Gavin King
TheServerSide
is pleased to announce that it will be hosting a public review process for
'Hibernate In Action' (Manning), by Christian Bauer and Gavin King. The first
chapter, 'Understanding object/relational persistence', introduces
object/relational mapping (ORM) and compares it to other persistence
mechanisms, such as self-made persistence layers and object databases.
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Sample Chapters &
Book Review
AspectJ
In Action (Manning), by Ramnivas Laddad, which was publicly reviewed on
TheServerSide recently, has hit the shelves. Manning would like to thank TSS
members for all their valuable feedback during the review process. As a token
of their appreciation, they have provided two sample chapters for download from
the finished book: Syntax Basics and Authentication & Authorization.
Download
Sample Chapters
Dion Almaer has written a review of AspectJ
In Action. In it, he discusses the importance of the book for developers and
how it validates AspectJ as a very real technology through various examples. He
examines the sections on monitoring techniques, policy enforcement, pooling and
caching, and advanced topics such as AOP design patterns and idioms.
Read Dion's Review
of AspectJ In Action
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The Middleware Company
Case Studies
The
Middleware Company has released a J2EE and .NET Performance case study, the
latest study (an MDA productivity study was released a few weeks ago) based on
their Application Server Baseline Spec. Except for the web services test, the
two platforms came out mostly equal in performance. Read the case study results
to get all of the information on the three tests.
How did
TMC get to the results? Starting in February, TMC invited experts to define a
spec that case studies would implement. TMC then published the spec and opened
it for public review in May.
Last week, the Productivity Study Results were unveiled and now the Performance
Study Results have been published. TMC invited all of the vendors whose
products are in the study to be involved in the tests. Some of them accepted.
Some did not. The study goes into a lot of
detail on what was tuned and how it was done. This information is
invaluable as it shows how to tune this application in J2EE (and .NET).
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Key J2EE Industry
Headlines
Red Hat
bundles BEA, joins ObjectWeb to work on OpenEJB, JOnAS
Continuing
the trend of Linux as a major J2EE deployment OS, Red Hat has announced that it
will ship an integrated Red Hat Enterprise version pre-integrated with BEA
Weblogic. Red Hat will also join the ObjectWeb consortium to further develop
JOnAS and OpenEJB appservers, in hopes of creating a compelling Java open
source platform on Linux.
Performance
Comparison of Middleware Architectures
A
"Performance Comparison of Middleware Architectures for Generating Dynamic
Web Content" research paper was recently published in which a webapp's
performance characteristics between PHP, Servlet, and Servlet/EJB
implementations were tested. The paper concludes that PHP is more efficient,
but not as scalable as servlets; EJB is slower but buys you important software
engineering benefits.
HP Posts New
SPECjAppServer2002 MultiNode Result
HP has
posted 2 new SPECjAppServer2002 results in the MultiNode category. The
configurations run: BEA WebLogic Server 8.1 SP1 on a HP DL 360 Cluster, running
on Redhat Linux. The US$/TOPS is the lowest number in its category.
Riflexo
launches JCredo, a free compliant JDO implementation
Riflexo
has announced JCredo, an implementation of the JDO specification. JCredo
Thunderbolt alpha is available on www.jcredo.com for evaluation and the
standard edition is free. JCredo integrates with many dev environments, and has
good support for databases and application servers. Full product release,
including Standard and Enterprise versions, is scheduled on September 15, 2003.
Viva - Open
Source Java Site Goes Live
Viva - a
site dedicated to open source Java - is now live. Viva aims to give you a quick
overview of the state of open source Java and uncover and clarify Sun's open
source Java stand. The Viva site includes: a directory listing open source Java
runtimes, compilers, core libraries, test suites, FAQs, and more; a call to
action to pressure Sun to open-source the Java core and much more.
Sun Releases
Generics EA 2.2 + Java 1.5 features
Sun has
released a new version of the Generics EA package. They have dropped variant
type parameters, and added support for wildcard and bounded wildcard type
parameters. The varargs syntax has also been made more readable. Also supported
are: Enumerations, Autoboxing, enhanced for loops and Static Imports.
BEA dev2dev
Releases AOP System for WebLogic
BEA has
released a WebLogic Aspect Framework. This framework is based on AspectJ and is
made of a set of predefined pointcuts that WebLogic users can simply reuse and
write aspects for. The idea behind this design is that customers don't care
about aspects, nor about learning yet another API/language: they have some very
specific needs that need addressing in the simplest possible way.
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