Example usage for com.mongodb.client MongoCollection find

Introduction

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

Prototype

FindIterable<TDocument> find();

Source Link

Document

Finds all documents in the collection.

Usage

From source file:codeu.chat.server.Controller.java

License:Apache License

private void loadMessages() {
    MongoCollection<Document> messages = database.getMessagesCollection();
    int errorCount = 0;
    int messageCount = 0;

    //Sort messages, oldest-to-newest
    try (MongoCursor<Document> cursor = messages.find().sort(new BasicDBObject("creation", 1)).iterator()) {

        while (cursor.hasNext()) {
            Document doc = cursor.next();

            final Uuid messageID = buildUuid(doc.getInteger("id"));
            final Uuid conversationID = buildUuid(doc.getInteger("conversation"));
            Conversation foundConversation = model.conversationById().first(conversationID);
            final Uuid authorID = buildUuid(doc.getInteger("author"));
            User foundUser = model.userById().first(authorID);

            if (foundUser != null && foundConversation != null && isIdFree(messageID)) {
                Time creation = Time.fromMs(doc.getLong("creation"));
                String content = doc.getString("content");
                model.add(new Message(messageID, Uuid.NULL, Uuid.NULL, creation, foundUser.id, content));

                // Find and update the previous "last" message so that it's "next" value
                // will point to the new message.

                if (Uuid.equals(foundConversation.lastMessage, Uuid.NULL)) {

                    // The conversation has no messages in it, that's why the last message is NULL (the first
                    // message should be NULL too. Since there is no last message, then it is not possible
                    // to update the last message's "next" value.

                } else {
                    final Message lastMessage = model.messageById().first(foundConversation.lastMessage);
                    lastMessage.next = messageID;
                }//  w ww .java 2  s .c  om

                // If the first message points to NULL it means that the conversation was empty and that
                // the first message should be set to the new message. Otherwise the message should
                // not change.
                if (Uuid.equals(foundConversation.firstMessage, Uuid.NULL)) {
                    foundConversation.firstMessage = messageID;
                }

                // Update the conversation to point to the new last message as it has changed.
                foundConversation.lastMessage = messageID;

                if (!foundConversation.users.contains(foundUser.id)) {
                    foundConversation.users.add(foundUser.id);
                }

                LOG.info("Loaded Message: \nid: %s\nauthor: %s\nconversation: %s\ncontent: %s\ncreation: %s\n",
                        messageID, foundUser.name, foundConversation.title, content, creation);
                messageCount++;
            } else {
                LOG.info("Loading Message failure. No user/conversation found or ID is in use: " + messageID);
                errorCount++;
            }

        }
        LOG.info("Successfully loaded %d messages. Failed to load %d messages.\n", messageCount, errorCount);
    }
}

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From source file:com.andersen.backendjaxrsproject.EmployeeServices.java

public String addEmployee(Employee employee) {
    String jsonString = "";
    try {/* w w w .j a v  a  2 s  .c o  m*/
        ObjectMapper mapper = new ObjectMapper();

        MongoCollection<Document> employeeCollection = employeeDB.getCollection("EmployeeCollection");
        employee.setId(employeeCount + 1);

        jsonString = mapper.writeValueAsString(employee);
        Document doc = Document.parse(jsonString);
        employeeCollection.insertOne(doc);

        //get the document back from the database to verify that it was added
        Bson bson = (Bson) com.mongodb.util.JSON.parse("{'id': " + employee.getId() + "}");

        FindIterable<Document> find = employeeCollection.find();
        FindIterable<Document> filteredQuery = find.filter(bson);
        String newString = "";

        for (Document document : filteredQuery) {
            newString = newString + document.toJson() + "\n";
        }

        return newString;
    } catch (JsonProcessingException ex) {
        Logger.getLogger(EmployeeServices.class.getName()).log(Level.SEVERE, null, ex);
    }
    return jsonString;
}

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From source file:com.andersen.backendjaxrsproject.EmployeeServices.java

public String getAllEmployees() {

    MongoCollection<Document> employeeCollection = employeeDB.getCollection("EmployeeCollection");

    FindIterable<Document> find = employeeCollection.find();
    String returnString = "";
    for (Document document : find) {
        returnString = returnString + document.toJson() + "\n";
    }/*from   w w w.  j ava  2 s. c o  m*/

    return returnString;

}

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From source file:com.andersen.backendjaxrsproject.EmployeeServices.java

public String getEmployeebyID(String id) {

    MongoCollection<Document> employeeCollection = employeeDB.getCollection("EmployeeCollection");
    Bson bson = (Bson) com.mongodb.util.JSON.parse("{'id': " + id + "}");

    FindIterable<Document> find = employeeCollection.find();
    FindIterable<Document> filteredQuery = find.filter(bson);
    String newString = "";
    for (Document document : filteredQuery) {
        newString = newString + document.toJson() + "\n";
    }/*  w ww. j a  v a2  s.c  om*/
    return newString;
}

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From source file:com.andersen.backendjaxrsproject.EmployeeServices.java

public String getEmployeebyLastName(String lastName) {

    MongoCollection<Document> employeeCollection = employeeDB.getCollection("EmployeeCollection");
    Bson bson = (Bson) com.mongodb.util.JSON.parse("{'lastName': '" + lastName + "'}");

    FindIterable<Document> find = employeeCollection.find();
    FindIterable<Document> filteredQuery = find.filter(bson);
    String newString = "";
    for (Document document : filteredQuery) {
        newString = newString + document.toJson() + "\n";
    }//from  www.  j  a v  a  2  s  .c  o m
    return newString;
}

---

From source file:com.andersen.backendjaxrsproject.EmployeeServices.java

public String updateEmployee(long employeeID, String key, String updatedValue) {
    String newString = "";
    MongoCollection<Document> employeeCollection = employeeDB.getCollection("EmployeeCollection");
    ObjectMapper mapper = new ObjectMapper();

    Bson newValue = new Document(key, updatedValue);
    Bson filter = new Document("id", employeeID);
    Bson updateOperationDoc = new Document("$set", newValue);

    //Update the employee information
    UpdateResult result = employeeCollection.updateOne(filter, updateOperationDoc);

    //get the document back from the database to verify that it was added
    Bson bson = (Bson) com.mongodb.util.JSON.parse("{'id': " + employeeID + "}");

    FindIterable<Document> find = employeeCollection.find();
    FindIterable<Document> filteredQuery = find.filter(bson);
    for (Document document : filteredQuery) {
        newString = newString + document.toJson() + "\n";
    }//from w ww  . j a  v  a  2  s . c om
    return newString;
}

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From source file:com.avbravo.jgmongodesktopexample.Start.java

/**
 * @param args the command line arguments
 *//*from  w ww .j  a v  a2 s. c o  m*/
public static void main(String[] args) {
    // TODO code application logic here
    try {

        PaisesFacade paisesFacade = new PaisesFacade();
        SedesFacade sedesFacade = new SedesFacade();
        ProvinciasFacade provinciasFacade = new ProvinciasFacade();

        MongoClient client = new MongoClient("localhost", 27017);
        MongoDatabase database = client.getDatabase("fantasy");
        MongoCollection<Document> collection = database.getCollection("paises");

        List<Document> documents = (List<Document>) collection.find().into(new ArrayList<Document>());

        //Document document = new Document("name","Cuba")
        //        .append("poblacion", 7777);
        //
        //       collection.insertOne(document);

        // DBCollection coll = database.getCollection("mycol");

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss a");
        Date startDate = simpleDateFormat.parse(simpleDateFormat.format(new Date()));

        MongoCollection<BasicDBObject> coll = database.getCollection("paises", BasicDBObject.class);
        BasicDBObject doc = new BasicDBObject("title", "OrientDB").append("Fecha", startDate)
                .append("url", "http://www.tutorialspoint.com/mongodb/").append("by", "tutorials point");
        coll.insertOne(doc);

        for (Document document : documents) {
            System.out.println(document);
            System.out.println("Siglas" + document.get("Siglas"));
            System.out.println("Pais" + document.get("Pais"));
        }

        //            
        //            List<Provincias> list = provinciasFacade.findAll();
        //            list.forEach((p) -> {
        //                System.out.println(" "+p.toString());
        //            });

        //                    
        //            Provincias provincias = new Provincias();
        //            provincias.setIdprovincia("6");
        //            Provincias pr = provinciasFacade.findById(provincias);
        //            
        //            if(pr.getIdprovincia() == null){
        //                System.out.println("---> no hay provincia con ese id");
        //            }else{
        //                System.out.println("---> "+pr.toString());
        //            }

        //            Paises paises = new Paises();
        //            paises.setSiglas("pa");
        //            Paises p = paisesFacade.findById(paises);
        //
        //         if(p.getSiglas() == null){
        //                System.out.println("============================");
        //                System.out.println("no hay paises con siglas "+paises.getSiglas());
        //            }else{
        //                System.out.println("paises: "+p.toString());
        //            }
        //            Provincias provincias = new Provincias();
        //            provincias.setIdprovincia("2");
        //            provincias.setProvincia("Cocle");
        //            provincias.setPaises(p);
        //          //  provincias.setHola("Hola");
        //            
        //            if(provinciasFacade.save(provincias)){
        //                System.out.println("guardado");
        //            }else{
        //                System.out.println("no se guardo");
        //            }
        //          
        //            List<Paises> list = paisesFacade.findAll();
        //          Sedes sedes = new Sedes();
        //               sedes.setIdsede("s-2");
        //                sedes.setSede("Sede 2");
        //                sedes.setPaises(list);
        //                sedesFacade.save(sedes);
        //          

    } catch (Exception e) {
        System.out.println("error " + e.getLocalizedMessage());
    }

}

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From source file:com.bdnc.ecommercebdnc.dao.DAODocumentos.java

public List<Compra> buscarCompras() {
    MongoClient client = new MongoClient("localhost", 27017);
    MongoDatabase dataBase = client.getDatabase("ecommerce-bdnc");
    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.fromDocument(cursor.next()));
    }/*from ww  w  .  ja  va 2  s. c o m*/
    client.close();
    return compras;
}

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From source file:com.cognifide.aet.vs.metadata.MetadataDAOMongoDBImpl.java

License:Apache License

@Override
public List<Suite> listSuites(DBKey dbKey) throws StorageException {
    MongoCollection<Document> metadata = getMetadataCollection(dbKey);
    LOGGER.debug("Fetching all suites for company: `{}`, project: `{}`.", dbKey.getCompany(),
            dbKey.getProject());/*from  www  . j a  v  a 2  s .c  o m*/

    final FindIterable<Document> found = metadata.find().sort(Sorts.descending(SUITE_VERSION_PARAM_NAME));

    return FluentIterable.from(found).transform(new Function<Document, Suite>() {
        @Override
        public Suite apply(Document result) {
            return GSON.fromJson(result.toJson(), SUITE_TYPE);
        }
    }).toList();
}

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From source file:com.cognitive.cds.invocation.mongo.IntentMappingDao.java

License:Apache License

public List<IntentMapping> getAll() {
    List<IntentMapping> intentList = new ArrayList<IntentMapping>();
    mongoDbDao.setDatabase("intent");
    MongoCollection<Document> collection = mongoDbDao.getCollection("cdsintent");
    FindIterable<Document> docs = collection.find();
    for (Iterator iterator = docs.iterator(); iterator.hasNext();) {
        Document obj = (Document) iterator.next();
        try {//from  ww  w .j  a  v a  2s.c om
            String json = obj.toJson();
            IntentMapping im = mapper.readValue(json, IntentMapping.class);
            im.setId(im.get_id().toHexString());
            // we do not need the _id if we set id
            im.set_id(null);
            intentList.add(im);
            if (cacheIntents == true && im != null) {
                cache.put(im.getName(), im);
            }
        } catch (IOException e) {
            logger.error("========> Deserialize: " + e.toString());
        }
    }

    return intentList;
}

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