October 2011
Intermediate to advanced
504 pages
17h 11m
English
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Chapter 5. Reading data
This chapter covers
- Reading input data
- Reading from files
- Reading from databases
- Reading from Java Message Service and other sources
- Implementing custom readers
In the previous two chapters, we concentrated on configuring and launching batch jobs. It’s now time to dig into the features at the heart of batch processes. As described in chapter 2, Spring Batch provides types for batch processes based on the concepts of job and step. A job uses a tasklet to implement chunk processing. Chunk-oriented processing allows jobs to implement efficiently the most common batch processing tasks: reading, processing, and writing.
We focus here on the first step of this process, reading. We describe general concepts and types ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.