How to use

getHistory

method

in

uk.gov.dstl.baleen.consumers.utils.IEntityConverterFields

/** Add history to the map */
public Map<String, Object> convert() {
 Map<String, Object> map = new IgnoreEmptyKeyMapDecorator<>(new LinkedHashMap<>());
 List<Object> list = createEventsList();
 map.put(fields.getHistory(), list);
 return map;
}

@SuppressWarnings("unchecked")
@Test
public void testHistory() throws AnalysisEngineProcessException {
 jCas.setDocumentText("Bill went to London. William came back.");
 Person p = Annotations.createPerson(jCas, 0, 4, "Bill");
 Person q = Annotations.createPerson(jCas, 21, 28, NAME_2);
 DocumentHistory documentHistory =
   history.getHistory("unknown:" + getDocumentAnnotation(jCas).getHash());
 documentHistory.add(HistoryEvents.createAdded(p, "test"));
 documentHistory.add(HistoryEvents.createAdded(q, "test"));
 documentHistory.add(HistoryEvents.createMerged(p, "test", q.getInternalId()));
 documentHistory.add(HistoryEvents.createMerged(p, "fakeId merge", 500));
 documentHistory.add(HistoryEvents.createRemoved(q, "test"));
 ae.process(jCas);
 Collection<HistoryEvent> pHistory = documentHistory.getHistory(p.getInternalId());
 Collection<HistoryEvent> qHistory = documentHistory.getHistory(q.getInternalId());
 assertEquals(1, documents.count());
 assertEquals(2, entities.count());
 Document a = entities.find(new Document(Mongo.FIELD_ENTITIES + "." + VALUE, "Bill")).first();
 List<Document> pH =
   (List<Document>)
     ((List<Document>) a.get(Mongo.FIELD_ENTITIES)).get(0).get(fields.getHistory());
 assertEquals(pHistory.size() + qHistory.size(), pH.size());
 Document b = entities.find(new Document(Mongo.FIELD_ENTITIES + "." + VALUE, NAME_2)).first();
 List<Document> qH =
   (List<Document>)
     ((List<Document>) b.get(Mongo.FIELD_ENTITIES)).get(0).get(fields.getHistory());
 assertEquals(qHistory.size(), qH.size());
}