Using the Java version of Lucene, how would you find out the number of documents in an index?
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Using the Java version of Lucene, how would you find out the number of documents in an index?
IndexReader contains the methods you need, in particular, numDocs
http://lucene.apache.org/core/3_6_0/api/all/org/apache/lucene/index/IndexReader.html#numDocs()