private List<TreeItem<DbTreeValue>> buildDbChilds(DbTreeValue value) {
MongoDatabase db = value.getMongoDatabase();
return db.listCollectionDetails()
.stream()
.map(
cd ->
new TreeItem<>(
new DbTreeValue(db, cd, TreeValueType.COLLECTION),
new FontAwesomeIconView(FontAwesomeIcon.TABLE)))
.peek(ti -> buildCollectionDetail(db, ti))
.collect(Collectors.toList());
}
private TreeItem<DbTreeValue> createDbItem(MongoDatabase d) {
return new DynamicTreeItem(
new DbTreeValue(d, d.getName(), TreeValueType.DATABASE),
new FontAwesomeIconView(FontAwesomeIcon.DATABASE),
executor,
popupService,
this::buildDbChilds);
}
public ObjectListPresentation explain() {
MongoCollection<Document> collection = getCollection();
FindIterable findIterable =
new FindIterable(
new MongoNamespace(mongoDatabase.getName(), collectionName),
collection.getCodecRegistry(), //
collection.getReadPreference(),
getExecutor(),
findQuery,
findOptions);
BsonDocument res = findIterable.explainIterator(ExplainVerbosity.QUERY_PLANNER);
return JsApiUtils.singletonIter(JsApiUtils.convertBsonToDocument(res));
}
private OperationExecutor getExecutor() {
try {
// this is hack to get executor
// hope will be removed when 3 series driver have explain function
com.mongodb.client.MongoDatabase mongoDb = mongoDatabase.getMongoDb();
Field f = mongoDb.getClass().getDeclaredField("executor");
f.setAccessible(true);
return (OperationExecutor) f.get(mongoDb);
} catch (NoSuchFieldException
| SecurityException
| IllegalArgumentException
| IllegalAccessException e) {
log.error("Exception:", e);
return null;
}
}
@JsIgnore
@Override
public MongoCursor<Document> iterator(int skip, int limit) {
MongoCollection<Document> collection = getCollection();
findOptions.skip(skip);
findOptions.limit(limit);
if (projection != null) {
findOptions.projection(projection);
}
if (sort != null) {
findOptions.sort(dbObjectFromMap(sort));
}
return new FindIterable(
new MongoNamespace(mongoDatabase.getName(), collectionName),
collection.getCodecRegistry(), //
collection.getReadPreference(),
getExecutor(),
findQuery,
findOptions)
.iterator();
}
private MongoCollection<Document> getCollection() {
return mongoDatabase.getMongoDb().getCollection(collectionName);
}
