Example usage for com.mongodb.client MongoCursor next

Introduction

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

Prototype

@Override
    TResult next();

Source Link

Usage

From source file:Dao.AccessDataNOSQL.java

License:Open Source License

/**
 * Mtodo para cargar en memoria las calificaciones
 *//*  w  w  w . jav  a 2s. co m*/
@Override
public void cargarEventosDAO() {
    MongoCollection<Document> collec = consultaBD("nosql", "ratings");
    MongoCursor<Document> cursor = collec.find().iterator();

    while (cursor.hasNext()) {
        try {
            String stringjson = cursor.next().toJson();
            JSONObject obj1 = new JSONObject(stringjson);

            String userId = obj1.getString("userId");
            String movieID = obj1.getString("movieId");
            String rating = obj1.getString("rating");
            String timestamp = obj1.getString("timestamp");

            User u = new User(Integer.parseInt(userId));
            Item i = new Movie(Integer.parseInt(movieID));

            double rat = Double.parseDouble(rating);
            int tim = Integer.parseInt(timestamp);

            Events evento = new Events(u, (Movie) i, rat, tim);
            getEventsDAO().add(evento);

        } catch (JSONException ex) {
            Logger.getLogger(AccessDataNOSQL.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    cursor.close();
}

From source file:Dao.AccessDataNOSQL.java

License:Open Source License

/**
 * Metodo para cargar en memoria los elementos
 *
 *//*  www . j  a  v a 2  s . com*/
@Override
public void cargarItemsDAO() {
    MongoCollection<Document> collec = consultaBD("nosql", "movies");

    MongoCursor<Document> cursor = collec.find().iterator();
    while (cursor.hasNext()) {
        try {
            String stringjson = cursor.next().toJson();
            //JsonReader jr=new JsonReader(stringjson);
            JSONObject obj1 = new JSONObject(stringjson);
            String movieId = obj1.getString("movieId");
            String title = obj1.getString("title");
            String genres = obj1.getString("genres");

            Movie peli = new Movie();
            peli.setId(Integer.parseInt(movieId));
            peli.setTitle(title);
            peli.setGenre(genres);

            getItemsDAO().add(peli);
        } catch (JSONException ex) {
            Logger.getLogger(AccessDataNOSQL.class.getName()).log(Level.SEVERE, null, ex);
            System.err.print("error en cargarItemsDAO en AccesoNoSQL");
        }
    }
    cursor.close();
}

From source file:Dao.AccessDataNOSQL.java

License:Open Source License

/**
 * Mtodo para cargar en memoria los usuarios
 *//* ww  w  . j  a v  a 2s .c om*/
@Override
public void cargarUserDAO() {
    MongoCollection<Document> collec = consultaBD("nosql", "ratings");
    MongoCursor<Document> cursor = collec.find().iterator();

    while (cursor.hasNext()) {
        try {
            String stringjson = cursor.next().toJson();
            JSONObject obj1 = new JSONObject(stringjson);

            String userId = obj1.getString("userId");
            User u = new User();
            //Integer.parseInt(userId);
            u.setUserId(Integer.parseInt(userId));
            getUserDAO().add(u);

        } catch (JSONException ex) {
            Logger.getLogger(AccessDataNOSQL.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    cursor.close();
}

From source file:dao.DaoDocumentos.java

public List<Compra> buscarCompras() {
    MongoClient client = new MongoClient("localhost", 27017);
    MongoDatabase dataBase = client.getDatabase("bdnc-loja");
    MongoCollection<Document> collection = dataBase.getCollection("vendas");
    List<Compra> compras = new ArrayList<>();
    MongoCursor<Document> cursor = collection.find().iterator();
    while (cursor.hasNext()) {
        Compra compra = new Compra();
        compras.add(compra.convertFromDocument(cursor.next()));
    }/*  www .j  a  v  a  2  s.co  m*/
    client.close();
    return compras;
}

From source file:data.Activity.java

License:Open Source License

public static Activity getByPrimaryKey(int id, DBManagerMongo manager) throws Exception {
    MongoCollection<Document> coll = manager.getDb().getCollection("activity");
    FindIterable<Document> doc = coll.find(eq("id", id));
    MongoCursor<Document> cursor = doc.iterator();
    if (!cursor.hasNext())
        throw new Exception("no such record");

    return extractActivity(cursor.next(), manager);
}

From source file:data.Activity.java

License:Open Source License

public static List<Activity> getAll(DBManagerMongo manager) throws Exception {
    ArrayList<Activity> list = new ArrayList<>();
    MongoCollection<Document> coll = manager.getDb().getCollection("activity");
    FindIterable<Document> doc = coll.find();
    MongoCursor<Document> cursor = doc.iterator();
    while (cursor.hasNext())
        list.add(extractActivity(cursor.next(), manager));

    return list;/*from  ww  w .  ja  v a2 s. c om*/
}

From source file:data.Project.java

License:Open Source License

public static Project getByPrimaryKey(int projectId, DBManagerMongo manager) throws Exception {
    MongoCollection<Document> coll = manager.getDb().getCollection("project");
    FindIterable<Document> doc = coll.find(eq("id", projectId));
    MongoCursor<Document> cursor = doc.iterator();
    if (!cursor.hasNext())
        throw new Exception("no such record");

    return extractProject(cursor.next());
}

From source file:data.Project.java

License:Open Source License

public static String getDescriptionByProjectName(String projectName, DBManagerMongo manager) throws Exception {
    MongoCollection<Document> coll = manager.getDb().getCollection("project");
    FindIterable<Document> doc = coll.find(eq("name", projectName));
    MongoCursor<Document> cursor = doc.iterator();
    if (!cursor.hasNext())
        throw new Exception("no such record");

    return cursor.next().getString("description");
}

From source file:data.Project.java

License:Open Source License

public static List<Project> getAll(DBManagerMongo manager) throws Exception {
    ArrayList<Project> list = new ArrayList<>();
    MongoCollection<Document> coll = manager.getDb().getCollection("project");
    FindIterable<Document> doc = coll.find();
    MongoCursor<Document> cursor = doc.iterator();
    while (cursor.hasNext())
        list.add(extractProject(cursor.next()));

    return list;//from  w w w .  ja v  a2s  .  com
}

From source file:data.ProjectMember.java

License:Open Source License

public static ProjectMember getByPrimaryKey(String userLoginName, int projectId, DBManagerMongo manager)
        throws Exception {
    MongoCollection<Document> coll = manager.getDb().getCollection("project_member");
    FindIterable<Document> doc = coll
            .find(and(eq("user_login_name", userLoginName), eq("project_id", projectId)));
    MongoCursor<Document> cursor = doc.iterator();
    if (!cursor.hasNext())
        throw new Exception("no such record");

    return extractMember(cursor.next(), manager);
}