void createIndex(const DirectoryPtr& dir) {
IndexWriterPtr iw = newLucene<IndexWriter>(dir, anlzr, true, IndexWriter::MaxFieldLengthLIMITED);
iw->setMaxBufferedDocs(5);
iw->setMergeFactor(3);
iw->setSimilarity(similarityOne);
iw->setUseCompoundFile(true);
iw->close();
}
void addDocs(const DirectoryPtr& dir, int32_t ndocs, bool compound) {
IndexWriterPtr iw = newLucene<IndexWriter>(dir, anlzr, false, IndexWriter::MaxFieldLengthLIMITED);
iw->setMaxBufferedDocs(5);
iw->setMergeFactor(3);
iw->setSimilarity(similarityOne);
iw->setUseCompoundFile(compound);
for (int32_t i = 0; i < ndocs; ++i) {
iw->addDocument(newDoc());
}
iw->close();
}