Example usage for com.mongodb BasicDBObject getString

List of usage examples for com.mongodb BasicDBObject getString

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Introduction

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

Prototype

public String getString(final String key)

Source Link

Document

Returns the value of a field as a string

Usage

From source file:ch.windmobile.server.mongo.MongoDataSource.java

License:Open Source License

private StationData createStationData(String stationId) throws DataSourceException {
    BasicDBObject stationJson = findStationJson(stationId);
    BasicDBObject lastDataJson = (BasicDBObject) stationJson.get("last");
    if (lastDataJson == null) {
        throw new DataSourceException(DataSourceException.Error.INVALID_DATA,
                "No last data for station '" + stationId + "'");
    }/* ww  w .ja v  a2 s  . com*/

    StationData stationData = new StationData();
    stationData.setStationId(stationId);

    DateTime lastUpdate = getLastUpdateDateTime(lastDataJson);
    stationData.setLastUpdate(lastUpdate);
    DateTime now = new DateTime();
    DateTime expirationDate = getExpirationDate(now, lastUpdate);
    stationData.setExpirationDate(expirationDate);

    // Status
    stationData.setStatus(getDataStatus(stationJson.getString("status"), now, expirationDate));

    // Wind average
    stationData.setWindAverage((float) lastDataJson.getDouble(DataTypeConstant.windAverage.getJsonKey()));

    // Wind max
    stationData.setWindMax((float) lastDataJson.getDouble(DataTypeConstant.windMax.getJsonKey()));

    List<BasicDBObject> datas = getHistoricData(stationId, lastUpdate, getHistoricDuration());
    if (datas.size() > 0) {
        // Wind direction chart
        Serie windDirectionSerie = createSerie(datas, DataTypeConstant.windDirection.getJsonKey());
        windDirectionSerie.setName(DataTypeConstant.windDirection.getName());
        Chart windDirectionChart = new Chart();
        windDirectionChart.setDuration(getHistoricDuration());
        windDirectionChart.getSeries().add(windDirectionSerie);
        stationData.setWindDirectionChart(windDirectionChart);

        // Wind history min/average
        double minValue = Double.MAX_VALUE;
        double maxValue = Double.MIN_VALUE;
        double sum = 0;
        double[][] windTrendMaxDatas = new double[datas.size()][2];
        // double[][] windTrendAverageDatas = new double[windAverageDatas.size()][2];
        for (int i = 0; i < datas.size(); i++) {
            BasicDBObject data = datas.get(i);
            // JDC unix-time is in seconds, windmobile java-time in millis
            long millis = data.getLong("_id") * 1000;
            double windAverage = data.getDouble(DataTypeConstant.windAverage.getJsonKey());
            double windMax = data.getDouble(DataTypeConstant.windMax.getJsonKey());
            minValue = Math.min(minValue, windAverage);
            maxValue = Math.max(maxValue, windMax);
            sum += windAverage;
            windTrendMaxDatas[i][0] = millis;
            windTrendMaxDatas[i][1] = windMax;
        }
        stationData.setWindHistoryMin((float) minValue);
        stationData.setWindHistoryAverage((float) (sum / datas.size()));
        stationData.setWindHistoryMax((float) maxValue);

        // Wind trend
        LinearRegression linearRegression = new LinearRegression(windTrendMaxDatas);
        linearRegression.compute();
        double slope = linearRegression.getBeta1();
        double angle = Math.toDegrees(Math.atan(slope * getWindTrendScale()));
        stationData.setWindTrend((int) Math.round(angle));
    }

    // Air temperature
    stationData.setAirTemperature(
            (float) lastDataJson.getDouble(DataTypeConstant.airTemperature.getJsonKey(), -1));

    // Air humidity
    stationData.setAirHumidity((float) lastDataJson.getDouble(DataTypeConstant.airHumidity.getJsonKey(), -1));

    // Air pressure
    String key = DataTypeConstant.airPressure.getJsonKey();
    if (lastDataJson.containsField(key)) {
        stationData.setAirPressure((float) lastDataJson.getDouble(key));
    }

    // Rain
    key = DataTypeConstant.rain.getJsonKey();
    if (lastDataJson.containsField(key)) {
        stationData.setRain((float) lastDataJson.getDouble(key));
    }

    return stationData;
}

From source file:com.andiandy.m101j.week2.hw3.SessionDAO.java

License:Apache License

public String startSession(String username) {

    // get 32 byte random number. that's a lot of bits.
    SecureRandom generator = new SecureRandom();
    byte randomBytes[] = new byte[32];
    generator.nextBytes(randomBytes);// w  w  w  .ja v  a 2 s  .co  m

    String sessionID = Base64.encodeBase64(randomBytes).toString();

    // build the BSON object
    BasicDBObject session = new BasicDBObject("username", username);

    session.append("_id", sessionID);

    sessionsCollection.insert(session);

    return session.getString("_id");
}

From source file:com.andiandy.m101j.week3.hw2_3.SessionDAO.java

License:Apache License

public String startSession(String username) {

    String sessionID = generateSessionID();

    // build the BSON object
    BasicDBObject session = new BasicDBObject("username", username);

    session.append("_id", sessionID);

    sessionsCollection.insert(session);//from   w ww  .j av a2 s  . c o  m

    return session.getString("_id");
}

From source file:com.andiandy.m101j.week4.course.SessionDAO.java

License:Apache License

public String startSession(String username) {

    String sessionID = getSessionID();

    // build the BSON object
    BasicDBObject session = new BasicDBObject("username", username);

    session.append("_id", sessionID);

    sessionsCollection.insert(session);//from ww w. j a  v a2  s.  com

    return session.getString("_id");
}

From source file:com.arquivolivre.mongocom.management.CollectionManager.java

License:Apache License

/**
 * Insert the document in a collection/*from w  ww  .j  a  va2 s.com*/
 *
 * @param document
 * @return the <code>_id</code> of the inserted document, <code>null</code>
 * if fails.
 */
public String insert(Object document) {
    String _id = null;
    if (document == null) {
        return _id;
    }
    try {
        BasicDBObject obj = loadDocument(document);
        String collectionName = reflectCollectionName(document);
        db.getCollection(collectionName).insert(obj);
        _id = obj.getString("_id");
        Field field = getFieldByAnnotation(document, ObjectId.class, false);
        if (field != null) {
            field.setAccessible(true);
            field.set(document, _id);
        }
        indexFields(document);
    } catch (InstantiationException | NoSuchMethodException | InvocationTargetException | IllegalAccessException
            | SecurityException | IllegalArgumentException | NoSuchFieldException ex) {
        LOG.log(Level.SEVERE, "An error occured while inserting this document: {0}", ex.getMessage());
    }
    if (_id != null) {
        LOG.log(Level.INFO, "Object \"{0}\" inserted successfully.", _id);
    }
    return _id;
}

From source file:com.arquivolivre.mongocom.management.CollectionManager.java

License:Apache License

public String save(Object document) {
    //TODO: a better way to throw/treat exceptions
    /*if (!document.getClass().isAnnotationPresent(Document.class)) {
     throw new NoSuchMongoCollectionException(document.getClass() + " is not a valid Document.");
     }*///from www. ja  v  a 2 s.c  om
    String _id = null;
    if (document == null) {
        return _id;
    }
    try {
        BasicDBObject obj = loadDocument(document);
        String collectionName = reflectCollectionName(document);
        db.getCollection(collectionName).save(obj);
        _id = obj.getString("_id");
        indexFields(document);
    } catch (InstantiationException | IllegalAccessException | IllegalArgumentException
            | InvocationTargetException | NoSuchMethodException | SecurityException ex) {
        LOG.log(Level.SEVERE, "An error occured while saving this document: {0}", ex.getMessage());
    }
    if (_id != null) {
        LOG.log(Level.INFO, "Object \"{0}\" saved successfully.", _id);
    }
    return _id;
}

From source file:com.ca.apm.mongo.ShardCluster.java

License:Open Source License

private List<String> getShardsFromMongos(final String host, final int port) throws Exception {

    final List<String> shardResult = new ArrayList<String>();

    final CommandResult cr = dbAdminCmd(host, port, "listShards");

    if (cr.ok()) {
        final BasicDBList shardList = (BasicDBList) cr.get("shards");
        for (Object obj : shardList) {
            final BasicDBObject bdbo = (BasicDBObject) obj;
            String shards = bdbo.getString("host");
            if (shards.indexOf("/") != -1) {
                final String[] shardMembers = shards.split("/")[1].split(",");
                for (String member : shardMembers) {
                    final MongoServer ms = new MongoServer(member);
                    shardResult.addAll(discoverReplicas(ms.getHost(), ms.getPort()));
                }//w  w  w.  j  a va 2s  . c om
            } else {
                // single node shard
                shardResult.add(shards);
            }
        }
    }
    return shardResult;
}

From source file:com.clavain.workers.MongoCheckWorker.java

License:Apache License

@Override
public void run() {

    String dbName = com.clavain.muninmxcd.p.getProperty("mongo.dbchecks");
    db = m.getDB(dbName);//from w  ww.j a  v  a 2  s .  c  o m

    logger.info("Started MongoCheckWorker");

    while (true) {
        try {
            BasicDBObject doc = mongo_check_queue.take();
            if (doc != null) {

                // index
                if (doc.getString("type").equals("check")) {
                    col = db.getCollection(doc.getString("user_id") + "cid" + doc.getString("cid"));
                } else {
                    col = db.getCollection(doc.getString("user_id") + "traces" + doc.getString("cid"));
                }
                doc.removeField("user_id");
                doc.removeField("type");

                col.insert(doc);
                if (logMore) {
                    logger.info("Mongo: Wrote " + doc.getString("hread") + " / " + doc.getString("cid"));
                }
                //db.requestDone();
            } else {
                Thread.sleep(50);
            }

        } catch (Exception ex) {
            logger.fatal("Error in MongoCheckWorker: " + ex.getLocalizedMessage());
            ex.printStackTrace();
        }

    }
}

From source file:com.clavain.workers.MongoEssentialWorker.java

License:Apache License

@Override
public void run() {

    String dbName = com.clavain.muninmxcd.p.getProperty("mongo.dbessentials");
    db = m.getDB(dbName);/*from   w  ww  . j av  a 2  s  .  c o  m*/

    logger.info("Started MongoWorker for MuninMX Essentials");
    String plugin = "";
    while (true) {
        try {
            BasicDBObject doc = mongo_essential_queue.take();
            if (doc != null) {
                // if trackpkg, add package entry, if essential information, store somewhere else
                if (doc.getString("type").equals("trackpkg")) {
                    col = db.getCollection("trackpkg");
                    doc.removeField("type");
                } else {
                    col = db.getCollection(doc.getString("node") + "_ess");
                    doc.removeField("node");
                    doc.removeField("type");
                }

                col.insert(doc);
                if (logMore) {
                    logger.info("Mongo: Wrote " + plugin + " / " + doc.getString("graph") + " / "
                            + doc.getString("value"));
                }
                //db.requestDone();
            } else {
                Thread.sleep(50);
            }

        } catch (Exception ex) {
            logger.fatal("Error in MongoEssentialWorker: " + ex.getLocalizedMessage());
            ex.printStackTrace();
        }

    }
}

From source file:com.clavain.workers.MongoWorker.java

License:Apache License

@Override
public void run() {

    String dbName = com.clavain.muninmxcd.p.getProperty("mongo.dbname");
    db = m.getDB(dbName);//from w w  w .j  a va 2  s.  co m

    logger.info("Started MongoWorker");
    String plugin = "";
    while (true) {
        try {
            BasicDBObject doc = mongo_queue.take();
            if (doc != null) {
                plugin = doc.getString("plugin");
                // each hostname got its own collection
                col = db.getCollection(doc.getString("user_id") + "_" + doc.getString("nodeid"));
                doc.removeField("hostname");
                doc.removeField("nodeid");
                doc.removeField("user_id");
                //doc.removeField("plugin");
                //db.requestStart();
                col.insert(doc);
                if (logMore) {
                    logger.info("Mongo: Wrote " + plugin + " / " + doc.getString("graph") + " / "
                            + doc.getString("value"));
                }
                //db.requestDone();
            } else {
                Thread.sleep(50);
            }

        } catch (Exception ex) {
            logger.fatal("Error in MongoWorker: " + ex.getLocalizedMessage());
            ex.printStackTrace();
        }

    }
}