Example usage for com.mongodb Mongo Mongo

Introduction

In this page you can find the example usage for com.mongodb Mongo Mongo.

Prototype

@Deprecated
public Mongo() 

Source Link

Document

Creates a Mongo instance based on a (single) mongodb node (localhost, default port)

Usage

From source file:examples.QuickTour.java

License:Apache License

public static void main(String[] args) throws Exception {

    // connect to the local database server
    Mongo m = new Mongo();

    // get handle to "mydb"
    DB db = m.getDB("mydb");

    // Authenticate - optional
    boolean auth = db.authenticate("foo", new char[] { 'b', 'a', 'r' });

    // get a list of the collections in this database and print them out
    Set<String> colls = db.getCollectionNames();
    for (String s : colls) {
        System.out.println(s);//from  w  w  w.ja v a 2s. co  m
    }

    // get a collection object to work with
    DBCollection coll = db.getCollection("testCollection");

    // drop all the data in it
    coll.drop();

    // make a document and insert it
    BasicDBObject doc = new BasicDBObject();

    doc.put("name", "MongoDB");
    doc.put("type", "database");
    doc.put("count", 1);

    BasicDBObject info = new BasicDBObject();

    info.put("x", 203);
    info.put("y", 102);

    doc.put("info", info);

    coll.insert(doc);

    // get it (since it's the only one in there since we dropped the rest earlier on)
    DBObject myDoc = coll.findOne();
    System.out.println(myDoc);

    // now, lets add lots of little documents to the collection so we can explore queries and cursors
    for (int i = 0; i < 100; i++) {
        coll.insert(new BasicDBObject().append("i", i));
    }
    System.out
            .println("total # of documents after inserting 100 small ones (should be 101) " + coll.getCount());

    //  lets get all the documents in the collection and print them out
    DBCursor cur = coll.find();
    while (cur.hasNext()) {
        System.out.println(cur.next());
    }

    //  now use a query to get 1 document out
    BasicDBObject query = new BasicDBObject();
    query.put("i", 71);
    cur = coll.find(query);

    while (cur.hasNext()) {
        System.out.println(cur.next());
    }

    //  now use a range query to get a larger subset
    query = new BasicDBObject();
    query.put("i", new BasicDBObject("$gt", 50)); // i.e. find all where i > 50
    cur = coll.find(query);

    while (cur.hasNext()) {
        System.out.println(cur.next());
    }

    // range query with multiple contstraings
    query = new BasicDBObject();
    query.put("i", new BasicDBObject("$gt", 20).append("$lte", 30)); // i.e.   20 < i <= 30
    cur = coll.find(query);

    while (cur.hasNext()) {
        System.out.println(cur.next());
    }

    // create an index on the "i" field
    coll.createIndex(new BasicDBObject("i", 1)); // create index on "i", ascending

    //  list the indexes on the collection
    List<DBObject> list = coll.getIndexInfo();
    for (DBObject o : list) {
        System.out.println(o);
    }

    // See if the last operation had an error
    System.out.println("Last error : " + db.getLastError());

    // see if any previous operation had an error
    System.out.println("Previous error : " + db.getPreviousError());

    // force an error
    db.forceError();

    // See if the last operation had an error
    System.out.println("Last error : " + db.getLastError());

    db.resetError();
}

---

From source file:examples.QuickTourAdmin.java

License:Apache License

public static void main(String[] args) throws Exception {

    // connect to the local database server 
    Mongo m = new Mongo();

    // Authenticate - optional
    // boolean auth = db.authenticate("foo", "bar");

    // get db names
    for (String s : m.getDatabaseNames()) {
        System.out.println(s);/*from   www .ja  v a2s . c o m*/
    }

    // get a db
    DB db = m.getDB("com_mongodb_MongoAdmin");

    // do an insert so that the db will really be created.  Calling getDB() doesn't really take any
    // action with the server 
    db.getCollection("testcollection").insert(new BasicDBObject("i", 1));
    for (String s : m.getDatabaseNames()) {
        System.out.println(s);
    }

    // drop a database
    m.dropDatabase("com_mongodb_MongoAdmin");

    for (String s : m.getDatabaseNames()) {
        System.out.println(s);
    }
}

---

From source file:it.sayservice.platform.smartplanner.utils.CacheGenerator.java

License:Apache License

public static void main(String args[]) throws Exception {
    // protected void setUp() throws Exception {

    // System.out.println(System.currentTimeMillis() - 1000 * 60 * 60 * 3);
    // System.out.println(System.currentTimeMillis() + 1000 * 60 * 60 * 3);
    // System.out.println(System.currentTimeMillis());
    // System.out.println(System.currentTimeMillis() + RecurrentUtil.DAY -
    // 1000 * 60);
    // System.exit(0);

    // super.setUp();
    handler = new OTPHandler(router, "http://127.0.0.1:7575");
    MongoTemplate template = new MongoTemplate(new Mongo(), router);
    storage = new OTPStorage(template);
    mongoRouterMapper = new MongoRouterMapper(template, router);

    configurationManager = new ConfigurationManager(router);

    manager = new OTPManager(handler, storage, mongoRouterMapper, configurationManager);
    manager.preinit(true);/*  w  w w .j  av  a  2 s.  c o  m*/
    planner = new PlannerCtrl();
    manager.init(router);

}

---

From source file:jahspotify.storage.statistics.MongoDBHistoricalStorage.java

License:Apache License

@PostConstruct
public void initialize() {
    try {//from  w  w  w  . j  a v a 2s.c om
        _mongoDBInstance = new Mongo();
        _db = _mongoDBInstance.getDB(_dbName);
    } catch (Exception e) {

    }
}

---

From source file:logica.MovieSessionBean.java

@PostConstruct
private void initDB() {
    Mongo m;/* ww  w .j a  va2 s.c  o m*/
    try {
        m = new Mongo();
        DB db = m.getDB("movieDB");
        movieColl = db.getCollection("movies");
        if (movieColl == null) {
            movieColl = db.createCollection("movies", null);
        }
    } catch (UnknownHostException e) {
        Logger.getLogger(MovieSessionBean.class.getName()).log(Level.SEVERE, null, e);
    }
}

---

From source file:Main.Main.java

public static void main(String[] args) {

    GestionCommande gestionCommande = new GestionCommande();
    int typeProduit = 1;
    int nombreProduits = 5;
    gestionCommande.creerCommande(typeProduit, nombreProduits);
    try {/*from   w  w w .j  a va  2  s . c  om*/
        MongoOperations mongoOps = new MongoTemplate(new Mongo(), "gestionDeCommande");
        mongoOps.insert(new Person("Joe", 36));
        log.info(mongoOps.findOne(new Query(Criteria.where("name").is("Joe")), Person.class));

    } catch (UnknownHostException ex) {
        log.error(ex.getMessage());
    }
}

---

From source file:mongo.Application.java

License:Open Source License

public static void main(String[] args) throws Exception {

    Mongo m = new Mongo();
    MongoTemplate mt = new MongoTemplate(m, "helloKitty");
    MongoConnector defaultConnector = new MongoConnector(mt);

    mt.dropCollection(Person.class);
    mt.dropCollection(Thing.class);
    mt.dropCollection(Address.class);
    mt.dropCollection(Role.class);

    ThingReaders tr = new ThingReaders();
    tr.addReader("person/*", defaultConnector);
    tr.addReader("role/*", defaultConnector);
    tr.addReader("address/*", defaultConnector);

    ThingWriters tw = new ThingWriters();
    tw.addWriter("person/*", defaultConnector);
    tw.addWriter("role/*", defaultConnector);
    tw.addWriter("address/*", defaultConnector);

    ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
    Validator validator = factory.getValidator();

    ThingControl tc = new ThingControl();
    tc.setThingReaders(tr);// w w  w.  ja va 2s .  com
    tc.setThingWriters(tw);
    tc.setValidator(validator);

    Person user = new Person();
    user.setFirstName("Person");
    user.setLastName("Name");

    Thing<Person> pt = tc.createThing("username", user);

    Address address = new Address();
    address.setCity("Auckland");
    address.setCountry("NZ");
    address.setNr(1);
    address.setStreet("Fleet street");

    Thing<Address> at = tc.createThing("home", address);

    tc.addChildThing(pt, at);

    Object id = pt.getId();
    System.out.println("ID: " + id);

    Role role1 = new Role("role1");
    Thing<Role> r1t = tc.createThing("group_1", role1);

    Role role2 = new Role("role2");
    Thing<Role> r2t = tc.createThing("group_1", role2);

    Role role3 = new Role("role3");
    Thing<Role> r3t = tc.createThing("group_2", role3);

    tc.addChildThing(pt, r1t);
    tc.addChildThing(pt, r2t);
    tc.addChildThing(pt, r3t);

    Observable<? extends Thing<?>> childs = tc.observeChildrenMatchingTypeAndKey(pt, "role", "*2*", true);

    childs.toBlockingObservable().forEach(t -> System.out.println(t));

    Observable<? extends Thing<?>> childs2 = tc.observeChildrenMatchingTypeAndKey(pt, "address", "*", true);

    childs2.toBlockingObservable().forEach(t -> System.out.println(t));

}

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From source file:mongodb.Movies_import.java

public static void main(String[] args)
        throws UnknownHostException, MongoException, FileNotFoundException, IOException {

    Mongo mongo = new Mongo(); //creating an instance of mongodb called mongo

    //using mongo object to get the database name
    List<String> databases = mongo.getDatabaseNames();
    for (String string : databases) {
        System.out.println(string);
    }//from ww  w  .j av  a  2 s .co m

    //assigning db variable to mongoDB directory 'db' created in the terminal
    DB db = mongo.getDB("db");

    DBCollection Collection = db.getCollection("movies_import");

    FileReader filereader = null;
    BufferedReader bufferreader = null;

    try {
        filereader = new FileReader("/Users/cheryldsouza/Documents/UPITT/Data Analytics/ml-10M100K/movies.dat");
        bufferreader = new BufferedReader(filereader);
        System.out.println("Mongodb Files");

        String read = bufferreader.readLine();

        while (read != null) {
            System.out.println(read);

            String[] reads = read.split("::");

            BasicDBObject object = new BasicDBObject();

            object.append("MovieID", reads[0]);

            object.append("Title", reads[1]);

            object.append("Genres", reads[2]);

            Collection.insert(object);
            read = bufferreader.readLine();
        }

    } catch (FileNotFoundException e) {
        System.out.println("Documents not found");
        System.exit(-1);
    }

    catch (IOException e) {
        System.out.println("FAILED");
        System.exit(-1);
    }
}

---

From source file:mongodb.question2.java

public static void main(String[] args) throws UnknownHostException, MongoException {

    Mongo mongoclient = new Mongo();

    DB db = mongoclient.getDB("db");

    DBCollection Collection = db.getCollection("tags_import");

    //Need to enter the userid
    System.out.println("Enter the User Id here");
    Scanner userid = new Scanner(System.in);
    String UserId = userid.next();

    BasicDBObject user = new BasicDBObject();
    user.put("UserID", UserId);

    DBCursor usercursor = Collection.find();
    usercursor = Collection.find(user);

    while (usercursor.hasNext()) {
        DBObject object = usercursor.next();
        String MovieID = (String) object.get("MovieID");

        System.out.println("MovieID is " + MovieID);

        //for each Movie Id find the target id
        BasicDBObject targetid = new BasicDBObject();
        targetid.put("MovieID", MovieID);

        DBCursor moviecursor = Collection.find();
        moviecursor = Collection.find(targetid);

        int count = moviecursor.count();
        System.out.println("This movie has been rated " + count + " users");
        System.out.println(count);

        while (moviecursor.hasNext()) {
            DBObject object2 = moviecursor.next();
            String folluserID = (String) object2.get("UserID");
            System.out.println("The following  Users are familiar to the given user  " + folluserID);
        }/*w w  w.j  a  v a2 s.  com*/
        System.out.println();
    }

}

---

From source file:mongodb.tagsimport.java

public static void main(String[] args) throws UnknownHostException, MongoException {

    Mongo mongo = new Mongo();

    List<String> databases = mongo.getDatabaseNames();
    for (String str : databases) {
        System.out.println(str);/*from w w  w .  j  a  v a  2 s.c  o  m*/
    }

    DB db = mongo.getDB("db");

    DBCollection dbCollection = db.getCollection("tags_import");

    FileReader filereader = null;
    BufferedReader bufferreader = null;

    try {
        filereader = new FileReader("/Users/cheryldsouza/Documents/UPITT/Data Analytics/ml-10M100K/tags.dat");
        bufferreader = new BufferedReader(filereader);
        System.out.println("Mongodb Tags File");

        String read = bufferreader.readLine();

        while (read != null) {
            System.out.println(read);

            String[] reads = read.split("::");

            //inserting keys

            BasicDBObject object = new BasicDBObject();

            //UserID::MovieID::Tag::Timestamp

            object.append("UserID", reads[0]);

            object.append("MovieID", reads[1]);

            object.append("Tag", reads[2]);

            object.append("Timestamp", reads[3]);

            dbCollection.insert(object);
            read = bufferreader.readLine();
        }

    } catch (FileNotFoundException e) {
        System.out.println("No documents found. Please try again");
        System.exit(-1);
    }

    catch (IOException e) {
        System.out.println("FAILED");
        System.exit(-1);
    }
}

---

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