is it possible to read 2 different files using spring batch Itemreader (in the Single reader) and compare the attributes(like ID column) present in these 2 files.Based on these comparison of IDs using Itemprocessor and the record will be written using Itemwriter in new file
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1 Answers
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is it possible to read 2 different files using spring batch Itemreader (in the Single reader)
No, that's not possible. You would need to use two steps, each step having its own reader for a specific file.
For your use case, one technique is to stage data in temporary tables (could be in-memory) and join/compare/filter data on these tables before writing it.
Hope this helps.
