Example usage for com.mongodb DBCursor next

Introduction

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

Prototype

@Override
public DBObject next() 

Source Link

Document

Returns the object the cursor is at and moves the cursor ahead by one.

Usage

From source file:alto.plugin.webradio.recommender.MongoDBDataModel.java

License:Apache License

/**
 * <p>/* w ww  .ja  va  2 s  .c o  m*/
 * Triggers "refresh" -- whatever that means -- of the implementation.
 * The general contract is that any should always leave itself in a
 * consistent, operational state, and that the refresh atomically updates
 * internal state from old to new.
 * </p>
 *
 * @param alreadyRefreshed s that are known to have already been refreshed as
 *                         a result of an initial call to a method on some object. This ensures
 *                         that objects in a refresh dependency graph aren't refreshed twice
 *                         needlessly.
 * @see #refreshData(String, Iterable, boolean)
 */
@Override
public void refresh(Collection<Refreshable> alreadyRefreshed) {
    BasicDBObject query = new BasicDBObject();
    query.put("deleted_at", new BasicDBObject("$gt", mongoTimestamp));
    DBCursor cursor = collection.find(query);
    Date ts = new Date(0);
    while (cursor.hasNext()) {
        Map<String, Object> user = (Map<String, Object>) cursor.next().toMap();
        String userID = getID(user.get(mongoUserID), true);
        Collection<List<String>> items = Lists.newArrayList();
        List<String> item = Lists.newArrayList();
        item.add(getID(user.get(mongoItemID), false));
        item.add(Float.toString(getPreference(user.get(mongoPreference))));
        items.add(item);
        try {
            refreshData(userID, items, false);
        } catch (NoSuchUserException e) {
            log.warn("No such user ID: {}", userID);
        } catch (NoSuchItemException e) {
            log.warn("No such items: {}", items);
        }
        if (ts.compareTo(getDate(user.get("created_at"))) < 0) {
            ts = getDate(user.get("created_at"));
        }
    }
    query = new BasicDBObject();
    query.put("created_at", new BasicDBObject("$gt", mongoTimestamp));
    cursor = collection.find(query);
    while (cursor.hasNext()) {
        Map<String, Object> user = (Map<String, Object>) cursor.next().toMap();
        if (!user.containsKey("deleted_at")) {
            String userID = getID(user.get(mongoUserID), true);
            Collection<List<String>> items = Lists.newArrayList();
            List<String> item = Lists.newArrayList();
            item.add(getID(user.get(mongoItemID), false));
            item.add(Float.toString(getPreference(user.get(mongoPreference))));
            items.add(item);
            try {
                refreshData(userID, items, true);
            } catch (NoSuchUserException e) {
                log.warn("No such user ID: {}", userID);
            } catch (NoSuchItemException e) {
                log.warn("No such items: {}", items);
            }
            if (ts.compareTo(getDate(user.get("created_at"))) < 0) {
                ts = getDate(user.get("created_at"));
            }
        }
    }
    if (mongoTimestamp.compareTo(ts) < 0) {
        mongoTimestamp = ts;
    }
}

---

From source file:alto.plugin.webradio.recommender.MongoDBDataModel.java

License:Apache License

private void buildModel() throws UnknownHostException {
    userIsObject = false;//  w  w w  .  j a va  2  s  . c  o  m
    itemIsObject = false;
    idCounter = 0;
    preferenceIsString = true;
    Mongo mongoDDBB = new Mongo(mongoHost, mongoPort);
    DB db = mongoDDBB.getDB(mongoDB);
    mongoTimestamp = new Date(0);
    FastByIDMap<Collection<Preference>> userIDPrefMap = new FastByIDMap<Collection<Preference>>();
    if (!mongoAuth || db.authenticate(mongoUsername, mongoPassword.toCharArray())) {
        collection = db.getCollection(mongoCollection);
        collectionMap = db.getCollection(mongoMapCollection);
        DBObject indexObj = new BasicDBObject();
        indexObj.put("element_id", 1);
        collectionMap.ensureIndex(indexObj);
        indexObj = new BasicDBObject();
        indexObj.put("long_value", 1);
        collectionMap.ensureIndex(indexObj);
        collectionMap.remove(new BasicDBObject());
        DBCursor cursor = collection.find();
        while (cursor.hasNext()) {
            Map<String, Object> user = (Map<String, Object>) cursor.next().toMap();
            if (!user.containsKey("deleted_at")) {
                long userID = Long.parseLong(fromIdToLong(getID(user.get(mongoUserID), true), true));
                long itemID = Long.parseLong(fromIdToLong(getID(user.get(mongoItemID), false), false));
                float ratingValue = getPreference(user.get(mongoPreference));
                Collection<Preference> userPrefs = userIDPrefMap.get(userID);
                if (userPrefs == null) {
                    userPrefs = Lists.newArrayListWithCapacity(2);
                    userIDPrefMap.put(userID, userPrefs);
                }
                userPrefs.add(new GenericPreference(userID, itemID, ratingValue));
                if (user.containsKey("created_at")
                        && mongoTimestamp.compareTo(getDate(user.get("created_at"))) < 0) {
                    mongoTimestamp = getDate(user.get("created_at"));
                }
            }
        }
    }
    delegate = new GenericDataModel(GenericDataModel.toDataMap(userIDPrefMap, true));
}

---

From source file:amazonwebcrawler.Mongo.java

public void removeData(String name) {
    try {//from w w w  . j av a  2 s.  co  m
        BasicDBObject searchQuery = new BasicDBObject();
        searchQuery.put("name", name);

        DBCursor cursor = myTable.find(searchQuery);

        while (cursor.hasNext()) {
            myTable.remove(cursor.next());
        }
    } catch (MongoException e) {
        e.printStackTrace();
    }
}

---

From source file:amazonwebcrawler.Mongo.java

public void searchData(String name) {
    try {//from   w ww  .ja  va 2  s. c o m
        BasicDBObject searchQuery = new BasicDBObject();
        searchQuery.put("name", name);

        DBCursor cursor = myTable.find(searchQuery);

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

    } catch (MongoException e) {
        e.printStackTrace();
    }
}

---

From source file:app.model.Model.java

public void setTable(JTable table, String collection) {
    DBCollection col = this.getCollection(collection);
    DBCursor cur = col.find();

    String[] columnNames = { "id", "CIDADE", "UF" };
    DefaultTableModel model = new DefaultTableModel(columnNames, 0);

    while (cur.hasNext()) {
        DBObject obj = cur.next();
        String cidade = (String) obj.get("CIDADE");
        String uf = (String) obj.get("UF");
        ObjectId id = (ObjectId) obj.get("_id");
        model.addRow(new Object[] { id, cidade, uf });
    }/*from ww  w  .  j  a v  a 2s. co  m*/
    cur.close();
    table.setModel(model);
}

---

From source file:App.modules.main_menu.model.dao.Sign_in_DAO.java

public static int Select_Admin_dni_mongo() {
    DBCursor cursor = null;
    int ok = 0;/*from w  w w.j a v  a 2 s  .  c  o  m*/
    Singleton_App.c = new Client();

    try {

        BasicDBObject query = new BasicDBObject();
        query.put("user", Sign_in.User_txt.getText());
        query.put("pass", Sign_in.Pass_txt.getText());

        // BasicDBObject searchById = new BasicDBObject();
        // searchById.append("dni", 1).append("_id",0);

        cursor = Singleton_App.collection.find(query);

        if (cursor.count() != 0) {

            while (cursor.hasNext()) {

                BasicDBObject document = (BasicDBObject) cursor.next();

                Singleton_App.c = Singleton_App.c.Client_to_DB(document);

                ok = 1;

            }
        } else {

            ok = 0;
            // JOptionPane.showMessageDialog(null, "Cliente no encontrado "+ ok);
            // System.out.println("NOT DATA"); 

        }
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }

    // JOptionPane.showMessageDialog(null, Singleton_App.c);
    return ok;

}

---

From source file:app.modules.SignIn.model.DAO_Login.java

/**
 * Compara el nombre de usuario con el de todos los clientes de la base de datos, cuando encuentra una coincidencia
 * compara la contrasea introducida con la de la base de datos, cuando ambos datos coinciden devuelve true y
 * rellena el perfil del usuario/*from  w  w w .  j a  va 2  s . com*/
 * @return login True si se ha logrado iniciar sesin
 */
public static boolean SignInClient() {
    boolean login = false;
    DBCursor cursor = null;
    client c = new client();
    try {
        cursor = singleton_global.collection.find(new BasicDBObject().append("user", addusername.getText()));
        if (cursor.count() != 0) {
            for (int i = 0; i < cursor.size(); i++) {
                BasicDBObject document = (BasicDBObject) cursor.next();
                c = c.BBDD_to_client(document);
                fecha aux = new fecha();
                if (c.getPass().equals(addpass.getText())) {
                    new client_controller(new clientnew_view(), 2).Iniciar(2);
                    adddnic.setText(c.getDni());
                    caddname.setText(c.getName());
                    caddsurname.setText(c.getSubname());
                    caddmobile.setText(c.getMobile());
                    caddemail.setText(c.getEmail());
                    cadddatebirthday.setCalendar(aux.stringtocalendar(c.getDate_birthday()));
                    caddnameuser.setText(c.getUser());
                    caddpassword.setText(c.getPass());
                    caddavatar.setText(c.getAvatar());
                    cadd_status.setSelectedItem(c.getState());
                    caddreg.setCalendar(aux.stringtocalendar(c.getUp_date()));
                    caddshopping.setText(Float.toString(c.getShopping()));
                    caddpremium.setSelectedItem(c.getPremium());
                    caddtype.setText(c.getClient_type());
                    login = true;
                    if ("Premium".equals(c.getPremium())) {
                        cadddesc.setText("10%");
                    } else {
                        cadddesc.setText("0%");
                    }
                    caddyearsservice.setText(Integer.toString(
                            aux.restafechas(aux.stringtocalendar(c.getUp_date()), aux.fechasystem(), "years")));
                }
            }
        } else {
            System.out.println("NOT DATA");
        }
    } catch (Exception e) {
        if (cursor != null) {
            cursor.close();
        }
    }
    return login;
}

---

From source file:App.modules.users.Client.Model.dao.Client_DB_DAO.java

/**
 * //  ww w. jav a2 s. c  o m
 */

public static void print_table() {
    DBCursor cursor = null;
    // String rdo = "";
    Client c = new Client();

    Singleton_cli.cli.clear();
    try {
        cursor = Singleton_App.collection.find();
        if (cursor.count() != 0) {

            while (cursor.hasNext()) {
                BasicDBObject document = (BasicDBObject) cursor.next();

                // JOptionPane.showMessageDialog(null, c.toString());
                Singleton_cli.cli.add(c.Client_to_DB(document));
                // JOptionPane.showMessageDialog(null, Singleton_cli.cli.toString());
                // rdo = rdo + (c.getNombre() + " - " + w.getApellidos() + " - " +w.getEdad() + "\n");
            }
        } else {
            System.out.println("NOT DATA");
        }
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    //return rdo;   
}

---

From source file:app.modules.users.client.model.DAO.DAO_client.java

/**
 * Comprueba que todos los datos sean correctos y los guarda sobre los antiguos
 * @return True si se ha modificado correctamente
*//*from www  .ja v a  2 s.co m*/
public static boolean saveeditclient() {
    boolean val = false;
    if (pidedni() && pidenombre() && pideapellidos() && pidefechanacimiento() && pidetelefono() && pideemail()
            && pideusuario() && pidecontrasenya() && pidefecharegistro() && pidecompras() && pidetipo()) {
        if ("admin".equals(singleton_global.type)) {
            String dni = clientnew_view.adddnic.getText();
            String name = clientnew_view.caddname.getText();
            String surname = clientnew_view.caddsurname.getText();
            String mobile = clientnew_view.caddmobile.getText();
            String email = clientnew_view.caddemail.getText();
            fecha aux = new fecha();
            String datebirthday = aux.calendartostring(clientnew_view.cadddatebirthday.getCalendar(), 0);
            String nameuser = clientnew_view.caddnameuser.getText();
            String passwd = clientnew_view.caddpassword.getText();
            String avatar = clientnew_view.caddavatar.getText();
            String status = clientnew_view.cadd_status.getSelectedItem().toString();
            String update = aux.calendartostring(clientnew_view.caddreg.getCalendar(), 0);
            float shopping = Float.parseFloat(clientnew_view.caddshopping.getText());
            String premium = clientnew_view.caddpremium.getSelectedItem().toString();
            String type = clientnew_view.caddtype.getText();
            int inicio = (pagina.currentPageIndex - 1) * pagina.itemsPerPage;
            selectedcli = TABLA.getSelectedRow();
            int selected1 = inicio + selectedcli;
            BLL_client.UpdateClientMongo(singleton_client.client.getClient(selected1).getDni());
            singleton_client.client.getClient(selected1).setDni(dni);
            singleton_client.client.getClient(selected1).setName(name);
            singleton_client.client.getClient(selected1).setSubname(surname);
            singleton_client.client.getClient(selected1).setMobile(mobile);
            singleton_client.client.getClient(selected1).setEmail(email);
            singleton_client.client.getClient(selected1).setDate_birthday(datebirthday);
            singleton_client.client.getClient(selected1).setUser(nameuser);
            singleton_client.client.getClient(selected1).setPass(passwd);
            singleton_client.client.getClient(selected1).setAvatar(avatar);
            singleton_client.client.getClient(selected1).setState(status);
            singleton_client.client.getClient(selected1).setUp_date(update);
            singleton_client.client.getClient(selected1).setShopping(shopping);
            singleton_client.client.getClient(selected1).setPremium(premium);
            singleton_client.client.getClient(selected1).setClient_type(type);

            val = true;
        } else {
            client c = new client();
            DBCursor cursor = singleton_global.collection
                    .find(new BasicDBObject().append("dni", adddnic.getText()));
            for (int i = 0; i < cursor.size(); i++) {
                BasicDBObject document = (BasicDBObject) cursor.next();
                c = c.BBDD_to_client(document);
                if (c.getDni().equals(adddnic.getText())) {
                    c.setDni(clientnew_view.adddnic.getText());
                    c.setName(clientnew_view.caddname.getText());
                    c.setSubname(clientnew_view.caddsurname.getText());
                    c.setMobile(clientnew_view.caddmobile.getText());
                    c.setEmail(clientnew_view.caddemail.getText());
                    fecha aux = new fecha();
                    c.setDate_birthday(aux.calendartostring(clientnew_view.cadddatebirthday.getCalendar(), 0));
                    c.setUser(clientnew_view.caddnameuser.getText());
                    c.setPass(clientnew_view.caddpassword.getText());
                    c.setAvatar(clientnew_view.caddavatar.getText());
                    c.setState(clientnew_view.cadd_status.getSelectedItem().toString());
                    c.setUp_date(aux.calendartostring(clientnew_view.caddreg.getCalendar(), 0));
                    c.setShopping(Float.parseFloat(clientnew_view.caddshopping.getText()));
                    c.setPremium(clientnew_view.caddpremium.getSelectedItem().toString());
                    c.setClient_type(clientnew_view.caddtype.getText());
                    BLL_client.UpdateClientMongo(c.getDni());
                }
            }
            val = true;
        }
    }
    return val;
}

---

From source file:app.modules.users.client.model.DAO.DAO_Mongo.java

/**
 * Lee todos los clientes de la bbdd para mostrarlos en nuestra app
 *//*w  w  w  . java 2s . c o m*/
public static void read_client() {
    DBCursor cursor = null;
    client c = new client();
    try {
        cursor = singleton_global.collection.find();
        if (cursor.count() != 0) {
            for (int i = 0; i < cursor.size(); i++) {
                BasicDBObject document = (BasicDBObject) cursor.next();
                c = c.BBDD_to_client(document);
                client j = new client(c.getDni(), c.getName(), c.getSubname(), c.getMobile(), c.getEmail(),
                        c.getDate_birthday(), c.getUser(), c.getPass(), c.getAvatar(), c.getState(),
                        c.getUp_date(), c.getShopping(), c.getPremium(), c.getClient_type());
                singleton_client.client.AddClient(j);
            }
        } else {
            System.out.println("NOT DATA");
        }
    } catch (Exception e) {
        if (cursor != null) {
            cursor.close();
        }
    }
}

---

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