BoboIndexReader boboReader = BoboIndexReader.getInstance(idxReader,_fconf);
for (int i=1;i<docs.length;++i){
Document doc = docs[i];
int numDocs = boboReader.numDocs();
BoboIndexReader reader = (BoboIndexReader)boboReader.reopen(true);
assertSame(boboReader,reader);
Directory tmpDir = new RAMDirectory();
IndexWriter subWriter = new IndexWriter(tmpDir,new StandardAnalyzer(Version.LUCENE_29),MaxFieldLength.UNLIMITED);