Service Oriented Architecture with Apache Axis
- Nov 22, 2006
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- C# Reflection
- Object Relational Mapping and Java Persistence: Data Modeling and Legacy Schemas
- C# GUI Programming
- C# Assembly Programming
- Using the C# system.io Namespace
- Using C# Generics
- An Introduction to Concurrent Java Programming
- Using C# Interfaces
- Getting Your Software onto Linux
- What’s Wrong with Modern Software Development?
- Building a Solid Foundation for JPA and Hibernate
- Java Patterns for MPLS Network Management, Part 2
- Java Patterns for MPLS Network Management, Part 1
- Getting Started with Spring Web Flow
- Application Contexts for Spring Web Services
- Spring Web Services with SOAPUI
- Hit the Ground Running with the Spring Framework
- Building Multithreaded C# Applications
- Hosting an LDAP Server in VMWare
- Integrating Linux Into Your Windows Environment
- Understanding C# Object Serialization and Object Graphs
- Further Subversion Steps: Get Motoring with TortoiseSVN
- Further Steps with the Java Sound API
- 5 Easy Steps to Using Virtualization Technology
- Five Steps to Getting Started Server-Side with PHP
- Targeted Client Upgrades: Creating a Flexible, Low-cost Application Upgrade Mechanism
- Java DMK and Legacy IT Management
- Aspect-Oriented Programming: A Tool for Internationalization
- Achieving Separation of Concerns Using BPEL
- Mobile Java with J2ME
- Graph Algorithms in Java
- Design Patterns in Java: The Observer
- Five Steps to Managing Unstructured Data with Derby
- Using the Java Sound API
- Moving C++ and Java Programmers Up the Value Chain
- Java Nuts and Bolts: Copy Constructors, Cloning, and Linked Structures
- Further Steps with Derby: Derby Embedded in a Browser
- Further Steps with Derby: Defining and Accessing Your Data
- IT Management Using C# with WMI
- Using Derby as a Network Database Server Engine
- Five Steps to Further Success with Subversion
- Improve Software Installation with AntInstaller
- Multithreaded Java GUI Programming
- The C++ Strategy Pattern for Multiple Network Events
- Java Collections and Iterators
- The C++ State Pattern for Network Operations
- C++ Nuts and Bolts: Casts, Call-by-Reference, and Inheritance
- Getting Started with Subversion on Windows
- Getting Started with Derby
- C# Callback and Event Mechanisms
- Some Rules for Safer Java Programming
- Inheritance and Polymorphism in C++ and C#
- IT Management: Dipping into the Platform with C#
- C# and IT Management Infrastructure
- C++ to C# Migration
- Service Oriented Architecture with Apache Axis
- Speech-Enable Your Java Software
- Generic C++ for Networks
- C++ Inheritance and Polymorphism
- Thinking Recursively with C++
- Aspect-Oriented Programming for Production Code
- C++ Modularity with Namespaces and Exception Handling
- C++ Chain of Responsibility Pattern: Network Events
- The Web Services Distributed Management (WSDM) Standard
- MPLS Network Design Nuts and Bolts
- BPEL: The Next Big Thing in Software?
- On-Demand Computing: A New Paradigm
- Software Plasticity with Aspect-Oriented Programming
- Parser Configuration in JAXP
- Publish and Subscribe Using C++ and the Observer Pattern
- Java Application Servers: Seven Things You Should Know
- Legacy IT Management using C++
- Software Futures: Architecture
- Saving Money with Legacy Data
- Saving Money with Legacy Source Code
- MPLS and Ethernet: Seven Things You Need To Know
- Quality of Service, Part 2 of 2: Managing Enterprise QoS
- Quality of Service, Part 1 of 2: Elements of Enterprise QoS for Voice Over IP
- The Need for Autonomic Computing
- A Blade Server Primer
- Workflow-Based Network Management
- SNMP Versus Command-Line Interface (CLI) for Network Management
- Security and the Management Plane, Part 2
- Security and the Management Plane, Part 1
- Network Management and MPLS
- Managing Large Networks: Problems and Solutions
- Getting off the ground with your first iPhone app
My first iPhone app – “The Day Was…” has now been through two updates. I want to talk a little about how to get started with this interesting technology. As with any software, the first step is having an idea, i.e., one or more requirements.
- On Updating my first iPhone app
I recently applied my first update to my iPhone app – “The Day Was…”. As with many things in the technology world, an update is easier than getting the app into the store – the blank slate problem! Just a little bit of wrestling with the app binary is required and you use the same distribution profile as for the first submission.
- Getting my first iPhone app into the App Store
Having just posted my first iPhone to the App store, I wanted to briefly describe the experience and at the same time to debunk some myths I’ve heard about since I started.
- SOA and IT Strategy
It's a rare organization that has a comprehensive IT strategy. Why does a strategy matter? For one thing, IT is now part of the DNA of all organizations. So, an effective strategy is a key business element.
- IT staff and contractors - why they matter
IT salaries and contract rates in free fall
- A day in the life of a software contractor - Forming good relationships
I wanted to share a few findings with you about my recent forays into the world of software contracting.
- The path to programming excellence ? C++ to Java from C, Pascal and others
I’ve probably used more programming languages down the years than is good for me. And like many other programmers, I mostly use Java nowadays. During my most recent product development, I made a foray back into C in order to do some Ethernet protocol analysis. Some languages are just better than others for such tasks - remember C is a system language so you can use it to dig right into the platform. Java is more constrained because of the JVM boundary. In the end, I integrated the down-to-the-metal C code right back into Java using JNI.
- Moving up the value chain
Following on from my previous posting on decision-making quality, I wanted to talk a little about the related subject of the value chain.
- Decision-making Quality
The need for forward momentum is perhaps one of the negative consequences of the fast pace of modern life. This issue is discussed in ex-world chess champion, Garry Kasparov’s latest book “How life imitates chess”. Kasparov feels that decision-making suffers if insufficient time is taken. He’s not alone. Edward de Bono – the inventor of lateral thinking once said that apart from extreme emergencies there is rarely a need to think quickly. Warren Buffett moved his offices out of
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Apache Phrasebook
My 10-year passport expired recently and I had to use one of those new-fangled passport photo machines! This presented an opportunity to see how digital photographic technology has advanced what was once a pretty mundane area. It turns out that the new photo machines are very user-friendly; they incorporate speech synthesis (but not recognition) and the ability to choose your favorite photo. So, there’s really almost no chance of getting four dud photos of yourself with your eyes closed! And if you still don’t like the end result, you can send the photos to a return address for a full refund. Not too shabby—an overall excellent service and a textbook example of how technology can provide good value for money.
It’s All About Service Now
The photo machine in this case provides a service with a known end result (four photos!). In this context, a user pays for and consumes the service, walking away with what is hopefully a satisfactory product. The service-oriented model is all the rage now, as illustrated in Figure 1.
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Figure 1 Service-oriented IT
The left section of Figure 1 shows an IT infrastructure that implements a service-oriented architecture (SOA). This infrastructure offers a range of services to the functional and human users on the right. The exported services can be consumed immediately (for example, an end user automatically downloads a batch of operating system updates) or they can be combined to form other services. How does this mode of use differ from traditional IT infrastructure?
Figure 2 illustrates the traditional IT approach that still exists in most organizations. Instead of having services exported from the IT infrastructure, the approach in Figure 2 illustrates a far more complex proposition. Each service consumer on the right side of Figure 2 must dip into the IT infrastructure and programmatically or manually access any required resources (databases, networks, applications, and so on). These resources must than be combined into the requisite service instance. So, the major difference between Figure 1 and 2 is what you might call a service layer.
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Figure 2 Complex business elements in a traditional IT infrastructure
Instead of using IT infrastructure merely for low-level operations (such as running applications, database administration, network login, and so on), the trend is increasingly moving toward using flexible centralized services. The exported services instead of the hardware and software of Figure 1 present the point of contact for end users. Service orientation is a different abstraction from that of direct hardware/software access.
So, how do you go about building such an infrastructure? Web services provide a powerful model for service orientation. In particular, Apache Axis allows for arbitrarily complex services to be created and deployed on an application server.
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