Example usage for com.mongodb MongoClient MongoClient

Introduction

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

Prototype

public MongoClient(final MongoClientURI uri, final MongoDriverInformation mongoDriverInformation) 

Source Link

Document

Creates a Mongo described by a URI.

Usage

From source file:com.intuit.utils.PopulateTweets.java

public static void main(String[] args) {
    Date now = new Date();
    System.out.println("Current date is: " + now.toString());

    MongoClient mongo = new MongoClient("localhost", 27017);
    DB db = mongo.getDB("tweetsdb");
    DBCollection collection = db.getCollection("tweetscollection");
    WriteResult result = collection.remove(new BasicDBObject());

    String[] users = { "user1", "user2", "user3", "user4", "user5", "user6", "user7", "user8", "user9",
            "user10" };
    // I am not introducing enough randomness in terms of the insertion of 
    // tweets for users at a random time orders, due to lack of time.
    for (String user : users) {
        int tweetIndex = 0;
        for (int i = 1; i <= 10; i++) {
            BasicDBObject document = new BasicDBObject();
            // This is a way to maintain uniqueness of the tweetid value across the system
            // Ideally, this should be the "_id" value, but due to lack of time, I am skipping
            // that part.  That would help to partition the tweets across multiple shards in a 
            // large scale system.
            String tweetId = user + "|tweet" + tweetIndex;
            document.put("tweetId", tweetId);
            document.put("user", user);
            document.put("text", "tweet number" + tweetIndex);
            document.put("tweetedOn", new Date().toString());
            System.out.println("tweet number: " + tweetIndex + "   " + document.toString());
            collection.insert(document);
            tweetIndex++;// www . j ava2  s  . com
            try {
                // Just introducing some delay between tweets to make the testing a bit easy
                Thread.sleep(3000);
            } catch (InterruptedException ex) {
                Logger.getLogger(PopulateTweets.class.getName()).log(Level.SEVERE, null, ex);
            }
        }

    }

    BasicDBObject indexObj = new BasicDBObject();
    indexObj.put("user", 1);
    indexObj.put("tweetedOn", -1);
    collection.createIndex(indexObj);

    BasicDBObject tweetIdObj = new BasicDBObject();
    tweetIdObj.put("tweetId", 1);
    collection.createIndex(tweetIdObj);
}

---

From source file:com.intuit.utils.PopulateUsers.java

public static void main(String[] args) {
    Date now = new Date();
    System.out.println("Current date is: " + now.toString());

    MongoClient mongo = new MongoClient("localhost", 27017);
    DB db = mongo.getDB("tweetsdb");
    DBCollection collection = db.getCollection("userscollection");
    WriteResult result = collection.remove(new BasicDBObject());

    int userIndex = 1;
    for (int i = 1; i <= 10; i++) {
        JSONObject userDocument = new JSONObject();
        String user = "user" + userIndex;
        userDocument.put("user", user);

        JSONArray followerList = new JSONArray();
        Random randomGenerator = new Random();
        for (int j = 0; j < 3; j++) {
            int followerId = randomGenerator.nextInt(10) + 1;
            // Assumption here is, a user will not be a follower on himself
            while (followerId == userIndex) {
                followerId = randomGenerator.nextInt(10) + 1;
            }//from w w w. j a v a2  s . co  m

            String follower = "user" + followerId;
            if (!followerList.contains(follower)) {
                followerList.add(follower);
            }
        }
        userDocument.put("followers", followerList);

        JSONArray followingList = new JSONArray();
        for (int k = 0; k < 3; k++) {
            int followingId = randomGenerator.nextInt(10) + 1;
            // Assumption here is, a user will not be following his own tweets
            while (followingId == userIndex) {
                followingId = randomGenerator.nextInt(10) + 1;
            }

            String followingUser = "user" + followingId;
            if (!followingList.contains(followingUser)) {
                followingList.add(followingUser);
            }
        }
        userDocument.put("following", followingList);
        System.out.println("Json string is: " + userDocument.toString());
        DBObject userDBObject = (DBObject) JSON.parse(userDocument.toString());
        collection.insert(userDBObject);
        userIndex++;

    }

    //        try {
    //            FileWriter file = new FileWriter("/Users/dmurty/Documents/MongoData/usersCollection.js");
    //            file.write(usersArray.toJSONString());
    //            file.flush();
    //            file.close();
    //        } catch (IOException ex) {
    //            Logger.getLogger(PopulateUsers.class.getName()).log(Level.SEVERE, null, ex);
    //        } 
}

---

From source file:com.jaeksoft.searchlib.crawler.database.DatabaseCrawlMongoDb.java

License:Open Source License

MongoClient getMongoClient() throws URISyntaxException, UnknownHostException {
    String user = getUser();/*w  w w.j  a  v a  2 s.c  o m*/
    String password = getPassword();
    URI uri = new URI(getUrl());
    MongoCredential credential = null;
    if (!StringUtils.isEmpty(user) && !StringUtils.isEmpty(password)) {
        credential = MongoCredential.createMongoCRCredential(user, databaseName, password.toCharArray());
        return new MongoClient(new ServerAddress(uri.getHost(), uri.getPort()), Arrays.asList(credential));
    }
    return new MongoClient(new ServerAddress(uri.getHost(), uri.getPort()));
}

---

From source file:com.janeluo.jfinalplus.plugin.monogodb.MongodbPlugin.java

License:Apache License

@Override
public boolean start() {

    try {//from  www.j a  v a  2s.  c  o m
        client = new MongoClient(host, port);
    } catch (UnknownHostException e) {
        throw new RuntimeException("can't connect mongodb, please check the host and port:" + host + "," + port,
                e);
    }

    MongoKit.init(client, database);
    return true;
}

---

From source file:com.jarova.mqtt.MongoDB.java

public static void init() throws UnknownHostException {
    System.out.println("Init connection with MongoDB");
    mongoClient = new MongoClient(DB_HOST, DB_PORT);
    db = mongoClient.getDB(DB_NAME);/*from w  ww .  jav  a2  s .c om*/
    initialized = true;
    System.out.println("MongoDB connection initialized");
}

---

From source file:com.javamongodb.utils.DatabaseUtils.java

public static DBCollection openDBConnection() {
    try {//w  ww . j a v  a2s.c o m
        MongoClient mongoClient = new MongoClient(HOST_NAME, PORT_NUMBER); //connect to the mongodb server
        logger.debug("MongoClient object created");
        DB database = mongoClient.getDB(DATABASE_NAME); //connect to the database
        logger.debug("Database achieved");

        //boolean auth = db.authenticate(myUserName, myPassword);
        DBCollection collection = database.getCollection(COLLECTION_NAME);
        if (collection == null) {
            collection = database.createCollection(COLLECTION_NAME, null);
        }
        logger.debug("Database collection achieved");
        return collection;
    } catch (UnknownHostException | HeadlessException exception) {
        logger.error("Error opening database connection:\n" + exception.getMessage());
        JOptionPane.showMessageDialog(new JFrame(), MessageUtils.MESSAGES.getString("error.while.saving.data"),
                MessageUtils.MESSAGES.getString("error.message"), JOptionPane.ERROR_MESSAGE);
    }
    return null;
}

---

From source file:com.jfinal.ext.zyq.plugin.MongodbPlugin.java

License:Apache License

@Override
public boolean start() {
    client = new MongoClient(host, port);
    MongoKit.init(client, database);
    return true;
}

---

From source file:com.jim.im.offline.config.OfflineMongoConfig.java

License:Open Source License

@Bean
public MongoClient mongoClient() {
    ServerAddress serverAddress = null;/* w  ww. j  a  v  a 2  s  .  c  o m*/
    try {
        serverAddress = new ServerAddress(properties.getHost(), properties.getPort());
    } catch (UnknownHostException e) {
        LOGGER.error("Init mongo client failure, cause in UnknownHostException!", e);
    }
    MongoCredential credential = MongoCredential.createScramSha1Credential(properties.getUsername(),
            properties.getAuthenticationDatabase(), properties.getPassword());
    return new MongoClient(serverAddress, Arrays.asList(credential));
}

---

From source file:com.kurniakue.data.KurniaKueDb.java

public void init() {
    try {// ww w.ja  va  2 s  .co  m
        mongoClient = new MongoClient(config.getProperty("DBIP"), config.getInt("DBPort"));
        if (mongoClient == null) {
            return;
        }
        db = mongoClient.getDatabase(config.getProperty("DBName"));
        allClients.add(mongoClient);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.left8.evs.utilities.dsretriever.MongoHandler.java

License:Open Source License

/**
 * Constructor, creates a connection with the MongoDB instance.
 * @param config A configuration object/*from  w w w .  j a v a 2  s . c  o  m*/
 */
public MongoHandler(Config config) {
    try {
        this.config = config;
        client = new MongoClient(this.config.getServerName(), this.config.getServerPort());

    } catch (MongoClientException e) {
        Utilities.printMessageln("Error connecting to client");
        client = null;
        Logger.getLogger(MongoHandler.class.getName()).log(Level.SEVERE, null, e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• »