Trying to convert some Lucene 3 code to Lucene 4,
I want to use termEnums.docs(ir.getLiveDocs()) to only return docs that
have not been deleted for a particular term. However getLiveDocs() is
only available for AtomicReaders, and although I just have a single
index it is file based and uses DirectoryReader (which is a subclass of
CompositeReader).
So I guess I could use SlowCompositeReaderWrapper but the name deters me
from this, but what I dont understand is that isnt almost everyone using
indexes based on the filesystem, isnt almost everyone using
CompositeReaders ?
Yet the documentation seems to be implying we should be using
AtomicReaders but I dont understand how I could possibly do this with a
file based index, maybe if the file based index only had a single
segment, but aren't segments created by Lucene as it requires them and
not usually closely controlled by the end user application.
Paul
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