A couple of weeks ago Bernhard proposed a patch concerning the version number of an index. He proposed to initialize it with the current time in ms. This simple change solves a problem when an index gets deleted a new index is generated in the same directory, and an old IndexReader is still existing. But version number is not a version number any more. We had a discussion with Dmitry about it and then we proposed an API change:
*) Keep Bernhard´s initialization of version number *) Remove (deprecate) static IndexReader.getCurrentVersion() methods and maybe also lastModified() methods. *) Introduce a new public non-static IndexReader member function boolean isCurrent() that is similar to the current aquireLock and checks whether the IndexReader is still stale ot not.
Christoph
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