@Override
public List<Album> findAlbumByProperty(AlbumSearchType searchType, Object value) {
List<Album> albums = new ArrayList<>();
// Generic methods
String whereClause = "";
String valueClause = "";
switch (searchType) {
case ARTIST:
whereClause = "artist.name";
valueClause = value.toString();
break;
case SCORE:
whereClause = "score";
valueClause = value.toString();
break;
case TITLE:
whereClause = "title";
valueClause = value.toString();
break;
case GENRE:
whereClause = "genre";
valueClause = value.toString();
break;
default:
System.out.println("Unknow search type");
break;
}
try {
FindIterable<Document> iterable =
db.getCollection("album").find(new Document(whereClause, valueClause));
iterable.forEach(
new Block<Document>() {
@Override
public void apply(final Document document) {
String title = document.getString("title");
System.out.println(title);
String genre = document.getString("genre");
System.out.println(genre);
String score = document.getString("score");
System.out.println(score);
String released = document.getString("released");
System.out.println(released);
String artists = document.get("artist").toString();
System.out.println(artists);
albums.add(new Album(title, score, genre, released, artists));
}
});
} catch (Exception e) {
e.printStackTrace();
}
return albums;
}
@Override
public List<Album> findAll() {
List<Album> albums = new ArrayList<Album>();
try {
iterable = db.getCollection("album").find();
iterable.forEach(
new Block<Document>() {
@Override
public void apply(final Document document) {
String title = document.getString("title");
System.out.println(title);
String genre = document.getString("genre");
System.out.println(genre);
String score = document.getString("score");
System.out.println(score);
String released = document.getString("released");
System.out.println(released);
String artists = document.get("artist").toString();
System.out.println(artists);
albums.add(new Album(title, score, genre, released, artists));
}
});
} catch (Exception e1) {
e1.printStackTrace();
}
return albums;
}
public static void updateSQLDB(String mongoHost, int mongoPort, String mongoDb) {
MongoClient mongoClient = new MongoClient(mongoHost, mongoPort);
MongoDatabase db = mongoClient.getDatabase(mongoDb);
FindIterable<Document> iterable = db.getCollection("flights").find();
iterable.forEach(
new Block<Document>() {
public void apply(final Document document) {
List<FlightLeg> legs = FlightToLegs.getInstance().getLegsFromFlightRecord(document);
for (FlightLeg leg : legs) {
FlightLegDAO legDAO = new FlightLegDAOJDBCImpl();
int result = legDAO.create(leg);
if (result == 0) {
System.out.println(
"["
+ result
+ "]: ERROR Leg Creation:"
+ leg.getDepartureAirportCode()
+ "->"
+ leg.getArrivalAirportCode()
+ " DepartureUTC: "
+ leg.getDepartureTimeUTC()
+ " ArrivalUTC: "
+ leg.getArrivalTimeUTC());
System.exit(0);
}
}
}
});
System.out.println("Done");
mongoClient.close();
}
public static void updateMongoDB(
String mongoHost, int mongoPort, String mongoDb, String flightsCol, String legsCollection) {
MongoClient mongoClient = new MongoClient(mongoHost, mongoPort);
MongoDatabase db = mongoClient.getDatabase(mongoDb);
FindIterable<Document> iterable = db.getCollection(flightsCol).find();
db.getCollection(legsCollection).createIndex(new Document("flightID", 1));
db.getCollection(legsCollection).createIndex(new Document("departureAirport._id", 1));
db.getCollection(legsCollection).createIndex(new Document("arrivalAirport._id", 1));
db.getCollection(legsCollection).createIndex(new Document("effectiveDate", 1));
db.getCollection(legsCollection).createIndex(new Document("discontinuedDate", 1));
iterable.forEach(
new Block<Document>() {
public void apply(final Document document) {
try {
List<FlightLeg> legs = FlightToLegs.getInstance().getLegsFromFlightRecord(document);
for (FlightLeg leg : legs) {
FlightLegDAO legDAO = new FlightLegDAOMongoImpl();
legDAO.setHost(mongoHost);
legDAO.setPort(mongoPort);
legDAO.setDB(mongoDb);
legDAO.create(leg);
}
} catch (Exception e) {
e.printStackTrace();
}
}
});
System.out.println("Done");
mongoClient.close();
}
public static void main(String[] args) {
MongoClient mongoClient = new MongoClient("liangyanbo.com");
MongoDatabase db = mongoClient.getDatabase("test");
FindIterable<Document> iterable =
db.getCollection("restaurants").find(new Document("borough", "Manhattan"));
iterable.forEach(
new Block<Document>() {
public void apply(final Document document) {
System.out.println(document);
}
});
}
public void find() throws UnknownHostException {
// Connect to Mongo DB
MongoClientURI mongoURI = new MongoClientURI("mongodb://localhost:27017");
MongoClient mongo = new MongoClient(mongoURI);
try {
// Get "logs" collection from the "websites" DB.
MongoDatabase db = mongo.getDatabase("websites");
MongoCollection<Document> coll = db.getCollection("logs");
// Find all DB object from the DB collection
// Document log = null;
System.out.println(coll.count());
FindIterable<Document> cursor = coll.find();
// Loop for each db object of the cursor.
// while (cursor.iterator().hasNext()) {
// log = cursor.iterator().next();
// System.out.println(log.toString());
// }
// JAVA 8 : these codes become
// cursor.forEach(new Block<Document>() {
//
// @Override
// public void apply(Document t) {
// System.out.println(t.toString());
//
// }
// });
cursor.forEach((Block<Document>) t -> System.out.println(t.toString()));
} finally {
// close mongo connection
mongo.close();
}
}
public Map<String, List<String>> getBoxes() {
final Map<String, List<String>> boxesMap = new LinkedHashMap<String, List<String>>();
final MongoDatabase mdb = MongoDBConnManager.getInstance().getConnection();
final MongoCollection<Document> coll = mdb.getCollection(DBConstants.COLL_BOXES);
final Document sortCr = new Document();
sortCr.put(DBConstants.OWNER, 1);
final FindIterable<Document> cursor = coll.find().sort(sortCr);
cursor.forEach(
new Block<Document>() {
@Override
public void apply(final Document document) {
List<String> boxes;
if (!boxesMap.containsKey(document.getString(DBConstants.OWNER))) {
boxes = new ArrayList<String>();
boxes.add(document.getString(DBConstants.BOX_NAME));
} else {
boxes = boxesMap.get(document.get(DBConstants.OWNER).toString());
boxes.add(document.getString(DBConstants.BOX_NAME));
}
boxesMap.put(document.getString(DBConstants.OWNER), boxes);
}
});
return boxesMap;
}