Example usage for com.mongodb MongoClient getDatabase

Introduction

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

Prototype

public MongoDatabase getDatabase(final String databaseName) 

Source Link

Usage

From source file:flipkart.mongo.node.discovery.ReplicaDiscovery.java

License:Apache License

private List<ReplicaSetConfig> getMongoSReplicaSets() throws MongoDiscoveryException {

    List<ReplicaSetConfig> replicaSetConfigs = Lists.newArrayList();
    MongoClient client = MongoConnector.getMongoClient(configSvrNodes);

    FindIterable<Document> documents = client.getDatabase(CONFIG_DB_NAME).getCollection(CONFIG_TABLE_NAME)
            .find();/*from  w w w. j a  v  a 2s . c o  m*/
    for (Document document : documents) {
        String shardName = (String) document.get("_id");
        String hostString = (String) document.get("host");

        List<Node> replicaNodes = this.getReplicaNodes(hostString);
        if (!replicaNodes.isEmpty()) {
            ReplicaSetConfig replicaConfig = new ReplicaSetConfig(shardName, replicaNodes);
            replicaSetConfigs.add(replicaConfig);
        }
    }

    return replicaSetConfigs;
}

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From source file:flipkart.mongo.replicator.node.ReplicationTask.java

License:Apache License

@Override
public void run() {
    String shardId = rsConfig.shardName;
    Node masterNode = rsConfig.getMasterNode().get();
    MongoClient client = MongoConnector.getMongoClient(Lists.newArrayList(masterNode));

    MongoDatabase database = client.getDatabase("local");
    lastCp = taskContext.checkPointHandler.getCheckPoint(shardId);

    logger.info(String.format("######## START REPLICATOR FOR MongoURI: %s. LastCheckpoint: %s #######",
            client.getAddress(), lastCp));
    MongoCollection<Document> collection = database.getCollection("oplog.rs");
    FindIterable<Document> iterable;
    MongoCursor<Document> cursor;
    do {//from  w w w  .j av a 2 s . c  om
        if (lastCp == null) {
            iterable = collection.find();
        } else {
            iterable = collection.find(new Document("ts", new Document("$gt", lastCp)));
        }
        cursor = iterable.sort(new Document("$natural", 1)).noCursorTimeout(true)
                .cursorType(CursorType.TailableAwait).batchSize(3000).iterator();
        try {
            executeCursor(cursor);
            Thread.sleep(WAIT_FOR_NEXT_ITERATION);
        } catch (MongoCursorNotFoundException e) {
            logger.info("Cursor has been closed. About to open a new cursor. ID: "
                    + cursor.getServerCursor().getId());
        } catch (Exception e) {
            logger.error("Exception while replicating", e);
            throw new RuntimeException(e);
        } finally {
            cursor.close();
        }
    } while (true);
}

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From source file:foam.dao.MongoDAO.java

License:Open Source License

public MongoDAO(String host, int port, String dbName, String collectionName, String username, String password) {
    if (SafetyUtil.isEmpty(dbName) || SafetyUtil.isEmpty(collectionName)) {
        throw new IllegalArgumentException("Illegal arguments");
    }//  ww w .j a  v  a 2 s .c  o  m

    host = (host != null) ? host : "localhost";

    MongoClient mongoClient;

    if (isUserPassProvided(username, password)) {
        MongoCredential credential = MongoCredential.createCredential(username, dbName, password.toCharArray());
        mongoClient = new MongoClient(new ServerAddress(host, port), Arrays.asList(credential));
    } else {
        mongoClient = new MongoClient(host, port);
    }

    this.database = mongoClient.getDatabase(dbName);
    this.collectionName = collectionName;
}

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From source file:fr.utbm.repository.MongoDBDao.java

public void subscribeClientToCourseSession(Client cl) {

    MongoClient mongoClient = null;

    try {//from w  w  w. j  av a2  s  .  com
        mongoClient = new MongoClient("localhost", 27017);

        MongoDatabase db;
        db = mongoClient.getDatabase("SCHOOL");

        MongoCollection<Document> collection = db.getCollection("CLIENTS");

        Document doc = new Document();
        doc.put("lastName", cl.getLastName());
        doc.put("firstName", cl.getFirstName());
        doc.put("address", cl.getAddress());
        doc.put("phone", cl.getPhone());
        doc.put("email", cl.getEmail());
        doc.put("courseSessionId", cl.getCourseSessionId().getId());

        collection.insertOne(doc);

    } catch (Exception e) {
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
    } finally {
        mongoClient.close();
    }
}

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From source file:fucksocks.utils.MongoDBUtil.java

License:Apache License

public <T> T doJob(MongoDBCallback<T> callback) {
    MongoClient client = null;
    T t = null;/*w w  w.ja v a2  s . c  o m*/
    try {
        client = new MongoClient(host, port);
        MongoDatabase database = client.getDatabase(databaseName);
        MongoCollection<Document> collection = database.getCollection(collectionName);
        t = callback.process(collection);
    } finally {
        if (client != null) {
            client.close();
        }
    }
    return t;
}

---

From source file:geriapp.dao.ReadingDAO.java

public static void storeReading(Reading reading) {

    MongoClient mongo = new MongoClient("54.254.204.169", 27017);

    MongoDatabase db = mongo.getDatabase("GERI");
    MongoCollection newColl;//from ww w  . j av a 2 s .c o  m

    if (reading instanceof MedboxReading) {
        newColl = db.getCollection("Medbox");
        Document medboxReading = new Document("gw_id", ((MedboxReading) reading).getGw_id());
        medboxReading.append("server_timestamp", ((MedboxReading) reading).getServer_timestamp());
        medboxReading.append("sequence", ((MedboxReading) reading).getSequence());
        medboxReading.append("gw_timestamp", ((MedboxReading) reading).getGw_timestamp());
        medboxReading.append("sensor_id", ((MedboxReading) reading).getSensor_id());
        medboxReading.append("reed_val", ((MedboxReading) reading).getReed_val());
        newColl.insertOne(medboxReading);
        //TODO: append reading attributes
    } else if (reading instanceof DoorReading) {
        newColl = db.getCollection("Door");
        Document doorReading = new Document("gw_id", ((DoorReading) reading).getGw_id());
        doorReading.append("server_timestamp", ((DoorReading) reading).getServer_timestamp());
        doorReading.append("sequence", ((DoorReading) reading).getSequence());
        doorReading.append("gw_timestamp", ((DoorReading) reading).getGw_timestamp());
        doorReading.append("sensor_id", ((DoorReading) reading).getSensor_id());
        doorReading.append("reed_val", ((DoorReading) reading).getReed_val());
        newColl.insertOne(doorReading);
    }

    mongo.close();
}

---

From source file:geriapp.dao.ReadingDAO.java

public static Reading getLatestReading(String type) {//Change later to ID instead of type
    MongoClient mongo = new MongoClient("54.254.204.169", 27017);

    MongoDatabase db = mongo.getDatabase("GERI");

    MongoCollection<Document> newColl;

    Gson gson = new Gson();

    if (type.equals("medbox")) {
        newColl = db.getCollection("Medbox");
        Document latestEntry = newColl.find().iterator().next();
        String json = latestEntry.toJson();
        Reading reading = gson.fromJson(json, MedboxReading.class);
        mongo.close();//from   ww w .  jav  a2  s. c o m
        return reading;
    } else if (type.equals("door")) {

    }
    return null; //throw Exception??
}

---

From source file:geriapp.dao.ReadingDAO.java

public static Reading getReadingsBetween(String type, Timestamp startTime, Timestamp endTime) {
    MongoClient mongo = new MongoClient("54.254.204.169", 27017);

    MongoDatabase db = mongo.getDatabase("GERI");

    MongoCollection<Document> newColl;

    Gson gson = new Gson();

    if (type.equals("medbox")) {
        newColl = db.getCollection("Medbox");
        Document latestEntry = newColl.find().iterator().next();
        String json = latestEntry.toJson();
        MedboxReading reading = gson.fromJson(json, MedboxReading.class);
        String thisTimestamp = reading.getGw_timestamp();
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date parsedTimestamp = null;
        try {/*w ww.java2 s .c  o m*/
            parsedTimestamp = df.parse(thisTimestamp);
        } catch (ParseException e) {
            return null;
        }
        Timestamp gwTimestamp = new Timestamp(parsedTimestamp.getTime());
        mongo.close();
        if (gwTimestamp.after(startTime) && gwTimestamp.before(endTime)) {
            return reading;
        }
    } else if (type.equals("door")) {
        newColl = db.getCollection("Door");
        Document latestEntry = newColl.find().iterator().next();
        String json = latestEntry.toJson();
        DoorReading reading = gson.fromJson(json, DoorReading.class);
        String thisTimestamp = reading.getGw_timestamp();
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date parsedTimestamp = null;
        try {
            parsedTimestamp = df.parse(thisTimestamp);
        } catch (ParseException e) {
            return null;
        }
        Timestamp gwTimestamp = new Timestamp(parsedTimestamp.getTime());
        mongo.close();
        if (gwTimestamp.after(startTime) && gwTimestamp.before(endTime)) {
            return reading;
        }
    }
    return null; //throw Exception??
}

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From source file:geriapp.dao.ReadingDAO.java

public static int getPastReadingsCountBetween(String type, Timestamp startTime, Timestamp endTime) {
    MongoClient mongo = new MongoClient("54.254.204.169", 27017);

    MongoDatabase db = mongo.getDatabase("GERI");
    int size = 0;
    MongoCollection<Document> newColl;

    Gson gson = new Gson();

    if (type.equals("medbox")) {
        newColl = db.getCollection("Medbox");
        MongoCursor<Document> iterator = newColl.find().iterator();
        Document latestEntry = null;
        boolean run = true;
        ArrayList<MedboxReading> results = new ArrayList<MedboxReading>();
        while (run) {
            latestEntry = iterator.next();
            if (latestEntry == null) {
                run = false;/*from   w ww.  j ava 2 s .  c  o  m*/
                size = 121;
                break;
            }
            String json = latestEntry.toJson();
            MedboxReading reading = gson.fromJson(json, MedboxReading.class);
            String thisTimestamp = reading.getGw_timestamp();

            DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date parsedTimestamp = null;
            try {
                parsedTimestamp = df.parse(thisTimestamp);
                //System.out.println(""+parsedTimestamp);
            } catch (ParseException e) {
                e.printStackTrace();
                run = false;
            }
            Timestamp gwTimestamp = new Timestamp(parsedTimestamp.getTime());
            //if (gwTimestamp.after(startTime)) {
            if (gwTimestamp.after(startTime) && gwTimestamp.before(endTime)) {
                results.add(reading);
            }
            if (!iterator.hasNext()) {
                run = false;
            }
        }
        /*
        while (iterator.hasNext()) {
        latestEntry = iterator.next();
        String json = latestEntry.toJson();
        MedboxReading reading = gson.fromJson(json, MedboxReading.class);
        results.add(reading);
        }
        */
        mongo.close();
        size = results.size();
        return size;
    } else if (type.equals("door")) {
        newColl = db.getCollection("Door");
        MongoCursor<Document> iterator = newColl.find().iterator();
        Document latestEntry = null;
        boolean run = true;
        ArrayList<DoorReading> results = new ArrayList<DoorReading>();
        while (run) {
            latestEntry = iterator.next();
            if (latestEntry == null) {
                run = false;
                size = 121;
                break;
            }
            String json = latestEntry.toJson();
            DoorReading reading = gson.fromJson(json, DoorReading.class);
            String thisTimestamp = reading.getGw_timestamp();

            DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date parsedTimestamp = null;
            try {
                parsedTimestamp = df.parse(thisTimestamp);
                //System.out.println(""+parsedTimestamp);
            } catch (ParseException e) {
                e.printStackTrace();
                run = false;
            }
            Timestamp gwTimestamp = new Timestamp(parsedTimestamp.getTime());
            //if (gwTimestamp.after(startTime)) {
            if (gwTimestamp.after(startTime) && gwTimestamp.before(endTime)) {
                results.add(reading);
            }
            if (!iterator.hasNext()) {
                run = false;
            }
        }
        /*
        while (iterator.hasNext()) {
        latestEntry = iterator.next();
        String json = latestEntry.toJson();
        MedboxReading reading = gson.fromJson(json, MedboxReading.class);
        results.add(reading);
        }
        */
        mongo.close();
        size = results.size();
        return size;
    }
    return size; //throw Exception??
}

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From source file:geriapp.servlets.BootstrapServlet.java

private String storeInDatabase(String pathToFile, String dbName, String collectionName) {
    String output;/*from   www  . jav a2s. co m*/
    try {
        MongoClient mongo = new MongoClient("localhost", 27017);
        MongoDatabase db = mongo.getDatabase(dbName);

        output = BootstrapController.importJSONFileToDB(pathToFile, db, collectionName);

    } catch (Exception e) {
        return "Database connection error";
    }
    return output;
}

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