@Override
public <T> PaginatedResult<T> readPartial(Query<T> query, long offset, int limit) {
Client client = openConnection();
try {
Set<UUID> typeIds = query.getConcreteTypeIds(this);
String[] typeIdStrings =
typeIds.size() == 0
? new String[] {"_all"}
: typeIds.stream().map(UUID::toString).toArray(String[]::new);
SearchResponse response =
client
.prepareSearch(getIndexName())
.setFetchSource(!query.isReferenceOnly())
.setTypes(typeIdStrings)
.setQuery(predicateToQueryBuilder(query.getPredicate()))
.setFrom((int) offset)
.setSize(limit)
.execute()
.actionGet();
SearchHits hits = response.getHits();
List<T> items = new ArrayList<>();
for (SearchHit hit : hits.getHits()) {
items.add(createSavedObjectWithHit(hit, query));
}
return new PaginatedResult<>(offset, limit, hits.getTotalHits(), items);
} finally {
closeConnection(client);
}
}
