Contains:
- jbatch-schedule.xml - a definition of the batch job, defines a property and a single task that executes a batchlet.
- SimpleBatchlet.java - the batchlet that reads a file name from the job property and writes a line with timestamp into that file.
- SimpleSchedule.java - an EJB component with a schedule that triggers it every 30 seconds. The EJB then starts the batch job as defined by the XML definition.