Israel Hilerio

Most businesses require processes to function properly. There are different types of processes. Some processes are human-intensive, others machine-intensive, and the last type is a combination of the first two. Some examples of business processes are payroll, new product introductions, new employee hiring, etc. In most cases, these business processes require intervention from multiple entities and thus, are normally long running.  Workflow is one of the mechanisms used by businesses to express their business processes as a series of self-contained activities. Business Process Management (BPM) systems provided an environment for developers to create, execute, and manage workflows. These workflows are normally expressed using Finite State Machine (FSM), Unified Modeling La... (more)

URL ClassLoader

One of the primary reasons for the success of Java has been its robust dynamic class loading mechanism. The Java Virtual Machine ClassLoader is a mechanism that Java uses to load classes at runtime. Techniques to take advantage of Java's dynamic nature and the interactive nature of the Web usually create a spark of interest in the Java community. This article leads the reader through the ... (more)

Java and XML: The Promised Land

Welcome to Java and XML - the promised land. In the context of these two technologies the promised land presents a series of solutions in which the marriage between Java and XML has provided an optimal answer for solving distributed multiplatform problems. But do XML and Java actually pave the road to data interchange nirvana? Let's embark on a journey to analyze and evaluate the hype an... (more)

Java, XML and the Command Patter

This month's column shows the advantages of using Java and XML to implement the Command Pattern. It also provides a brief illustration of how this pattern can be used to implement transaction integrity via compensating actions. Patterns provide developers with reproducible solutions to common problems. The format for describing a pattern consists of a description of the problem, a brief... (more)

Reincarnation of Technologies

This month I'm sitting in Ajit Sagar's seat while he takes care of family matters associated with the recent death of his father. As I sat at home thinking about various ways to welcome you to this new edition of XML-Journal, I thought there might be a parallel between the loss of a loved one and the death of technologies. Rather than concentrating on the loss, however, I believe it's bet... (more)