Map<String, Document> docs = res.getValue();
List<String> invalidDocTerms = res.getKey();
Random rand = random();
List<String> termsToDel = new ArrayList<>();
for(Document doc : docs.values()) {
IndexableField f = doc.getField(FIELD_NAME);
if(rand.nextBoolean() && f != null && !invalidDocTerms.contains(f.stringValue())) {
termsToDel.add(doc.get(FIELD_NAME));
}
writer.addDocument(doc);
}
writer.commit();
Term[] delTerms = new Term[termsToDel.size()];
for(int i=0; i < termsToDel.size() ; i++) {
delTerms[i] = new Term(FIELD_NAME, termsToDel.get(i));
}
for(Term delTerm: delTerms) {
writer.deleteDocuments(delTerm);
}
writer.commit();
writer.close();
for(String termToDel: termsToDel) {
assertTrue(null!=docs.remove(termToDel));
}
IndexReader ir = DirectoryReader.open(dir);
assertEquals(ir.numDocs(), docs.size());
Dictionary dictionary = new DocumentDictionary(ir, FIELD_NAME, WEIGHT_FIELD_NAME);
InputIterator inputIterator = dictionary.getEntryIterator();
BytesRef f;
while((f = inputIterator.next())!=null) {
Document doc = docs.remove(f.utf8ToString());
assertTrue(f.equals(new BytesRef(doc.get(FIELD_NAME))));
IndexableField weightField = doc.getField(WEIGHT_FIELD_NAME);
assertEquals(inputIterator.weight(), (weightField != null) ? weightField.numericValue().longValue() : 0);
assertEquals(inputIterator.payload(), null);
}
for (String invalidTerm : invalidDocTerms) {
assertNotNull(docs.remove(invalidTerm));