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Community

Creating a Reusable Service (by Jos Dirksen, Author of "SOA Governance") August 29, 2012 Manning Publications Co. Having a standard-based search engine as an access point to your service is a good way to improve the reusability of your service. In this article based on chapter 4 of SOA Governance in Action, author Jos Dirksen presents you with a couple of guidelines that can help you in...
on Sep 5, 2012
A few years ago, we met with our business analysts to discuss security for our application. Our goal was to implement our own authentication mechanism for the web-based or user-interface portion of the application. We defined authentication security as "access rights to resources of the application". After some initial discussion, one of our business analysts suggested we look for an industry...
on Aug 14, 2012
When my company, Amway Corp, makes a sale; somewhere, somehow a computerized transaction of that sale is created. This transaction is sent to a number of applications at Amway for processing. One such destination is our Java application. We created a capability, called the Transaction Monitor (or TM) to deliver transactions to our app. Our initial version of the TM worked well, but it was still...
on Aug 10, 2012
During our 10 years of using Java at Amway Corp., some of our solutions required us to think a little "outside of the box". Our application had a reporting requirement. It had to generate reports from the application's various batch processes as they were running. These batch processes performed transaction processing, data purging and data exporting functions. The reports would not be used by...
on Jul 30, 2012
It never ceases to amaze me where some solutions in application development come from. We had a requirement for our application to allow a user to print pages of text. The user would bring up a web page, from our app, and then create & print a list of customer names. The list of names would be created by executing a SQL query against the database, using a variety of search criteria. The users...
on Jul 23, 2012
As we began our Java adventure at Amway Corp 10 years ago, one of the most important tasks we had to do was to create our Object Model. We had a variety of Java objects that we were planning to use in our application. How were they going to be "wired" together inside of the application? After 4 weeks of Object-Oriented, J2SE, J2EE training; we set out to define our Object Model. This model was...
on Jul 16, 2012
As we began to learn about Java technologies at Amway Corp, we were introduced to UML (Unified Modeling Language). We became interested in the modeling aspect of UML to assist in the analysis and design phases of our Java project. So we decided to try our hand at modeling with UML. It began with 2 week-long training classes. 1) Object-Oriented Analysis with UML 2) Object-Oriented Design with UML...
on Jul 9, 2012
In order to successfully migrate our mainframe application to a Java/application server based solution, we had to figure out how to migrate our batch processes. We had a very good start, in achieving this, by utilizing the LaunchClient command and J2EE Client programs. It was just a matter of putting the remaining pieces together into a working solution. But we were running into a lot of trouble...
on Jul 2, 2012
For us at Amway Corp, a key part of creating batch processes, with Java, was using the LaunchClient command and J2EE Client applications. We felt we were very close to being able to run our Java batch processes on the application server. But more trials and tribulations were ahead of us. We created a J2EE Client application\program that would call a "hello world" EJB. After deploying the code to...
on Jun 29, 2012
Our first Java application (10 years ago) was a migration of a legacy application. The legacy application consisted of a number of screens and a number of batch processes. Migrating the screens to Java technology seemed straight forward. In theory, they would be a direct use of the MVC pattern (EJB, JSP, Servlet). Easy. But what about the batch processes? They didn't seem to fit the MVC pattern....
on Jun 24, 2012
Our Java application supports my company's (Amway Corp) Customer and Sales Compensation areas. This is a very unique and complex part the Amway's business model. The application requires a large database to store business-related data. The database consists of dozens of tables and millions of rows. It contains transactional data and summarized data. The size of the database grows daily. Database...
on Jun 18, 2012
As our Java project progressed, we began to add new members to our development team. This meant many resumes to review and many interviews to conduct. It was to become quite a time consuming chore for the interviewers. During a portion of the interview, a series of technical questions about Java are asked. The goal behind these questions is to allow the interviewee to talk to us about Java. Some...
on Jun 11, 2012
During the initial architecture and analysis of our J2EE-based application, one Java issue generated a lot of attention on our team : Enterprise Java Beans or EJBs. Should we use EJBs? What flavor of EJBs should we use? At the time, we received no practical advice on EJB usage. We got a lot of general advice. "Use what is best for you, etc." Quite often, we were referred to a diagram with a lot...
on Jun 4, 2012
In the beginning, our development team had no Java experience at all. Most of us were mainframe developers with a decade or so of IT experience. We realized that not only did we need Java training, but we needed training on object-oriented concepts as well. It seemed like a very challenging goal to achieve. One of the reasons we chose our particular Java software tools vendor is because their...
on May 28, 2012
Release the newest version of the framework to persist objects in Apache Cassandra in easy way. Among improvement is the JPA annotations, also JPQL.   JCassandra jCassandra=persistence.createJCassandra("select * from Person"); List<Person> persons=jCassandra.getResultList(); table 1: sample using JPQL in Easy-Cassandra This version has the improvements below: Supporting...
on May 26, 2012
When we starting planning how we were going to use Java technology at Amway (10 years ago); we realized we had many decisions to make about standards to adopt, practices to learn, architectures to use, patterns to follow, etc. Fortunately for us, there were many sources of information to help us figure all of this out. Unfortunately for us, there were many sources of information to help us figure...
on May 21, 2012

Programming

JSR 359 has been accepted by Java SE/EE executive committee a month back. Please see the specification request for the content of this revision of SIP Servlet 2.0 specification. We have established a java.net project for cordinating and communicating the progress of the specification. The work is about to get started. At the moment, the expert group is being formed and some of the leading...
on Sep 3, 2012

J2EE

While I don't normally blog about the exiting world of JVM command line options, this new 7.0 option, which allows you to rotate to a new GC log file, was just so exciting... err... not so widely published that I decided to share. Of course these options only apply when you've used the -Xloggc: option. The settings are; UseGCLogFileRotation, default value: false NumberOfGCLogsFiles, default value...
on Aug 20, 2012

Accessibility

We began creating our second Java application five years after we began the first app. We were hoping the second application would give us a chance to use additional Java technologies. We began by gathering all of the known functional requirements and matched them to the various Java-related technologies we knew of. The result was a high-level technical architecture of the application. This...
on Aug 3, 2012

Open Source

OSCON Friday July 20, 2012 live streaming Speaker Slides and Video Table of Contents 1 10am Declarative web data visualization using ClojureScript 2 11am Client/Server Apps with HTML5 and Java 3 11:50am Hacking JavaFX with Groovy, Clojure, Scala, and Visage 1 10am Declarative web data visualization using ClojureScript Kevin Lynagh What is Visualization? EdgeBio : bioinformatics...
on Jul 20, 2012