HibernateCursorItemReader with Hibernate Detached criteria

StackOverflow https://stackoverflow.com/questions/21594578

Question

How to use hibernate detached criteria with "HibernateCursorItemReader" of spring batch?

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Solution

A solution could be the following:

  1. create a custom HibernateDetachedCriteriaItemReader<> extends AbstractItemCountingItemStreamItemReader<>
  2. add a property Criteria criteria and inject it before use
  3. rewrite all do*() functions to manage resultset lifecycle

Or extends from HibernateCursorItemReader and override doOpen() to let working in dual-mode (normal,with detached criteria)

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