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In my first post about Spring-Batch, I described in detail a Hello-World application using Spring-Batch and discussing the necessary plumbing wiring needed in the spring-beans configuration file. In this second post I will take it one step further, by introducing the concept of tokenizer and field-set mapper. I will copy-reuse as much as possible from the previous project. Because the reuse is by copy, you can download and study them…

Spring-Batch is a rather new project within the Spring portfolio. It addresses a large field within computing, although not main stream in Java. A lot of corporate computing is managed by batch processing, many business transactions based on file input picked up from FTP drop zones etc. Back in 2003, I built a batch-oriented system, that could deal with FLV (Cobol) files, assemble transaction data from a database, generate reports…

Long time ago, before the internet era, I was working on my PhD in the field of distributed event-driven simulation. One of the key questions was how to manage the event time line. The pitch in this case is that the time line is distributed. To be more precise; a simulation event time line is a priority queue, where event notices are inserted during the processing of one event. By…