Example usage for com.mongodb DBCursor hasNext

Introduction

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

Prototype

@Override
public boolean hasNext() 

Source Link

Document

Checks if there is another object available.

Usage

From source file:com.deafgoat.ml.prognosticator.Mongo2CSV.java

License:Apache License

/**
 * Writes the collectionection to a CSV file using the MongoExport command.
 * //from   w w w.j  a  v  a 2s  .  c  o  m
 * @param filename
 *            Th name of the file to write the collectionection to
 * @throws IOException
 *             If unable to write to file
 * @throws FileNotFoundException
 *             If the file is not found
 */
public void writeCSV(String filename) throws IOException, FileNotFoundException {
    BufferedWriter out = new BufferedWriter(new FileWriter(filename));
    DBCursor cursor = _collection.find();
    out.write(Mongo2CSV.join(Arrays.asList(_fields), _delimeter) + "\n");
    ArrayList<String> entry = new ArrayList<String>();
    DBObject obj;
    while (cursor.hasNext()) {
        obj = cursor.next();
        for (String field : _fields) {
            entry.add((String) obj.get(field));
        }
        out.write(join(entry, _delimeter) + "\n");
        entry.clear();
    }
    cursor.close();
    out.close();
}

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From source file:com.deafgoat.ml.prognosticator.MongoImport.java

License:Apache License

/**
 * Returns all JSON configurations found in the collection.
 * //from   ww w . j  a v  a 2 s . c o  m
 * @return The set of all JSON configurations found. Null if none is found.
 * @throws JSONException
 *             If the configuration can not be converted to a JSONObject
 */
public ArrayList<JSONObject> getAllConfigurations() throws JSONException {
    DBCursor cursor = _collection.find();
    ArrayList<JSONObject> configFiles = new ArrayList<JSONObject>();
    try {
        while (cursor.hasNext()) {
            configFiles.add(new JSONObject(cursor.next().toString()));
        }
    } finally {
        cursor.close();
    }
    return configFiles;
}

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From source file:com.deftlabs.lock.mongo.impl.LockDao.java

License:Apache License

/**
 * Check for expired/inactive/dead locks and unlock.
 *///from   w  ww  . j  a  v  a2s  .co m
static void expireInactiveLocks(final MongoClient pMongo, final DistributedLockSvcOptions pSvcOptions) {
    // Adjust the time buffer to make sure we do not have small time issues.
    final long queryServerTime = getServerTime(pMongo, pSvcOptions);

    final BasicDBObject query = new BasicDBObject(LockDef.STATE.field, LockState.LOCKED.code());
    query.put(LockDef.LOCK_TIMEOUT_TIME.field, new BasicDBObject(LT, new Date(queryServerTime)));

    final DBCursor cur = getDbCollection(pMongo, pSvcOptions).find(query).batchSize(10);

    try {
        while (cur.hasNext()) {

            final BasicDBObject lockDoc = (BasicDBObject) cur.next();

            final ObjectId lockId = (ObjectId) lockDoc.get(LockDef.LOCK_ID.field);
            final String lockName = lockDoc.getString(LockDef.ID.field);

            final long serverTime = getServerTime(pMongo, pSvcOptions);

            final BasicDBObject toSet = new BasicDBObject();
            toSet.put(LockDef.LIBRARY_VERSION.field, null);
            toSet.put(LockDef.UPDATED.field, new Date(serverTime));
            toSet.put(LockDef.LOCK_ACQUIRED_TIME.field, null);
            toSet.put(LockDef.LOCK_TIMEOUT_TIME.field, null);
            toSet.put(LockDef.LOCK_ID.field, null);
            toSet.put(LockDef.STATE.field, LockState.UNLOCKED.code());
            toSet.put(LockDef.OWNER_APP_NAME.field, null);
            toSet.put(LockDef.OWNER_ADDRESS.field, null);
            toSet.put(LockDef.OWNER_HOSTNAME.field, null);
            toSet.put(LockDef.OWNER_THREAD_ID.field, null);
            toSet.put(LockDef.OWNER_THREAD_NAME.field, null);
            toSet.put(LockDef.OWNER_THREAD_GROUP_NAME.field, null);
            toSet.put(LockDef.LOCK_ATTEMPT_COUNT.field, 0);
            toSet.put(LockDef.INACTIVE_LOCK_TIMEOUT.field, null);

            final BasicDBObject timeoutQuery = new BasicDBObject(LockDef.ID.field, lockName);
            timeoutQuery.put(LockDef.LOCK_ID.field, lockId);
            timeoutQuery.put(LockDef.STATE.field, LockState.LOCKED.code());
            timeoutQuery.put(LockDef.LOCK_TIMEOUT_TIME.field, new BasicDBObject(LT, new Date(serverTime)));

            final BasicDBObject previousLockDoc = (BasicDBObject) getDbCollection(pMongo, pSvcOptions)
                    .findAndModify(timeoutQuery, new BasicDBObject(LockDef.INACTIVE_LOCK_TIMEOUT.field, 1),
                            null, false, new BasicDBObject(SET, toSet), false, false);

            if (previousLockDoc == null)
                continue;

            if (!pSvcOptions.getEnableHistory())
                continue;

            // Insert the history state.
            LockHistoryDao.insert(pMongo, lockName, pSvcOptions,
                    previousLockDoc.getInt(LockDef.INACTIVE_LOCK_TIMEOUT.field), serverTime, LockState.LOCKED,
                    lockId, true);
        }
    } finally {
        if (cur != null)
            cur.close();
    }
}

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From source file:com.deliveronthego.CommonAPI.java

@POST
@Path("/findDrivers")
@Consumes(MediaType.APPLICATION_JSON)//from ww  w .j a va2s.  c om
@Produces(MediaType.APPLICATION_JSON)
public Response doDeliveryDetails(String deliver) {
    System.out.println("inside delivery details");

    String message;
    GraphTraversal g = new GraphTraversal();
    try {
        System.out.println("inside delivery details");
        JSONObject deliverJson = new JSONObject(deliver);
        boolean var = new DbConnection().deliver(deliverJson.getString("emailId"),
                Double.valueOf(deliverJson.getString("pickupLatitude")),
                Double.valueOf(deliverJson.getString("pickupLongitude")),
                Double.valueOf(deliverJson.getString("dropOffLatitude")),
                Double.valueOf(deliverJson.getString("dropOffLongitude")), deliverJson.getInt("length"),
                deliverJson.getInt("breadth"), deliverJson.getInt("width"));
        System.out.println("after delivery details");

        if (var) {
            System.out.println("in success");
            message = "Delivery Details Inserted successfully";
            JSONObject statusMessage = new JSONObject();
            statusMessage.put("message", message);
            String res = g.findDriver(deliverJson.getString("emailId"), deliverJson.getDouble("pickupLatitude"),
                    deliverJson.getDouble("pickupLongitude"), deliverJson.getDouble("dropOffLatitude"),
                    deliverJson.getDouble("dropOffLongitude"));
            System.out.println(res);
            JSONArray jarr = new JSONArray(res);
            for (int j = 0; j < jarr.length(); j++) {
                JSONObject json = new JSONObject(jarr.get(j).toString());
                String driverId = json.get("driverId").toString();
                System.out.println(driverId);
                mongoclient = getConnection();
                DB db = mongoclient.getDB("deliveronthego");
                DBCollection driverSourceDetails = db.getCollection("login");
                BasicDBObject whereQuery = new BasicDBObject();
                whereQuery.put("emailId", driverId);
                whereQuery.put("userType", "Driver");
                DBCursor cursor = driverSourceDetails.find(whereQuery);
                if (cursor.hasNext()) {
                    BasicDBObject obj = (BasicDBObject) cursor.next();
                    String regId = obj.getString("regId");
                    String[] gcmIds = regId.split("\\=");
                    System.out.println(gcmIds[1]);
                    String apiKey = "AIzaSyDzXEIMFY3EGbJ4mjc9xBYyeakjggxuTC0";
                    Content content = createContent(gcmIds[1], deliverJson.getString("emailId"));

                    DotgGCMPost.post(apiKey, content);
                    DBCollection selection = db.getCollection("selection");
                    BasicDBObject sel = new BasicDBObject()
                            .append("userEmailId", deliverJson.getString("emailId"))
                            .append("driverEmailId", driverId).append("Accepted", "No");
                    selection.insert(sel);

                    throw new JSONException("gi");

                } else {
                    //System.out.println("cursor=="+cursor.toString());
                    throw new JSONException("No email found");
                }
            }
            return Response.status(200).entity(statusMessage).build();
        } else {
            System.out.println("in fail");

            message = "Delivery Details Insertion Failed";
            JSONObject statusMessage = new JSONObject();
            statusMessage.put("message", message);
            return Response.status(404).entity(statusMessage).build();
        }
    } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    message = "Delivery Details Insertion Failed";
    return Response.status(404).entity(message).build();
}

---

From source file:com.deliveronthego.DbConnection.java

public String customerSignup(String firstName, String lastName, String emailId, String password,
        int phoneNumber, String regId) {
    mongoclient = getConnection();//from   www  .  j  a va 2  s  .c om
    @SuppressWarnings("deprecation")
    DB database = mongoclient.getDB("deliveronthego");
    DBCollection customerSignUpInfo = database.getCollection("login");
    if (emailId.contains("@") && (password.length() <= 8) && (String.valueOf(phoneNumber).length() == 10)) {
        BasicDBObject customerSignUpInfoObj = new BasicDBObject("emailId", emailId).append("password",
                password);

        DBCursor customerSignUpInfoCur = customerSignUpInfo.find(customerSignUpInfoObj);
        if (customerSignUpInfoCur.hasNext()) {
            return "Customer Sign Up Info Already Exists";
        } else {
            customerSignUpInfoObj.append("firstName", firstName).append("lastName", lastName)
                    .append("phoneNumber", phoneNumber).append("userType", "User").append("regId", regId);
            customerSignUpInfo.insert(customerSignUpInfoObj);
            return "Customer Signup Info inserted successfully";
        }
    } else {
        return "Customer SignUp Info failed to insert";
    }
}

---

From source file:com.deliveronthego.DbConnection.java

public String driverSignup(String firstName, String lastName, String driverLicense, String emailId,
        String password, int phoneNumber, String regId) {
    mongoclient = getConnection();//w w  w  .j a v a 2s. c om
    DB db = mongoclient.getDB("deliveronthego");
    DBCollection driverSignUpInfo = db.getCollection("login");
    if (emailId.contains("@") && (password.length() <= 8) && (String.valueOf(phoneNumber).length() == 10)
            && !driverLicense.isEmpty()) {
        BasicDBObject driverSignUpInfoObj = new BasicDBObject("driverLicense", driverLicense)
                .append("emailId", emailId).append("password", password);

        DBCursor driverSignUpInfoCur = driverSignUpInfo.find(driverSignUpInfoObj);
        if (driverSignUpInfoCur.hasNext()) {
            return "Driver Sign Up Info Already Exists";
        } else {
            driverSignUpInfoObj.append("firstName", firstName).append("lastName", lastName)
                    .append("phoneNumber", phoneNumber).append("userType", "Driver").append("regId", regId);
            driverSignUpInfo.insert(driverSignUpInfoObj);
            return "Driver Sign Up Info Inserted Successfully";
        }
    } else {
        return "Driver SignUp Info failed to insert";
    }
}

---

From source file:com.deliveronthego.DbConnection.java

public boolean login(String emailId, String password, String userType) {
    mongoclient = getConnection();//  ww  w .j a  va  2 s.  c o  m
    @SuppressWarnings("deprecation")
    DB db = mongoclient.getDB("deliveronthego");
    DBCollection login = db.getCollection("login");
    if (emailId.contains("@")) {
        BasicDBObject logInObj = new BasicDBObject();
        logInObj.put("emailId", emailId);
        DBCursor logInCursor = login.find(logInObj);

        while (logInCursor.hasNext()) {
            logInCursor.next();
            DBObject userDetailObj = logInCursor.curr();
            if (userDetailObj != null) {
                String logInPassword = userDetailObj.get("password").toString();
                String loginUserType = userDetailObj.get("userType").toString();
                System.out.println(logInPassword);
                if ((logInPassword != null) && (logInPassword.equalsIgnoreCase(password))
                        && (loginUserType != null) && (loginUserType.equalsIgnoreCase(userType))) {
                    return true;
                } else {
                    return false;
                }
            } else {
                return false;
            }

        }
        return true;
    } else {
        return false;
    }
}

---

From source file:com.deliveronthego.DbConnection.java

public String location(String date, double transitionLatitude, double transitionLongitude, double stopLatitude,
        double stopLongitude, String driverId) {
    mongoclient = getConnection();//w w w.j a v a2  s .c  o m
    @SuppressWarnings("deprecation")
    DB db = mongoclient.getDB("deliveronthego");
    DBCollection location = db.getCollection("location");
    BasicDBObject whereQuery = new BasicDBObject();
    whereQuery.put("driverID", driverId);
    DBCursor locationCursor = location.find(whereQuery);
    boolean updateFlag = false;

    while (locationCursor.hasNext()) {
        locationCursor.next();
        DBObject locDB = locationCursor.curr();
        System.out.println(locDB);
        String dateStr = locDB.get("Date").toString();
        if (dateStr.equals(date)) {
            location.update(new BasicDBObject("driverID", driverId),
                    new BasicDBObject("$set", new BasicDBObject("transitionLatitude", transitionLatitude)
                            .append("transitionLongitude", transitionLongitude)));
            Double previousStopLatitude = (Double) locDB.get("stopLatitude");
            Double previousStopLongitude = (Double) locDB.get("stopLongitude");
            System.out.println("previousStopLatitude: " + previousStopLatitude);
            System.out.println("previousStopLongitude: " + previousStopLongitude);
            /*if((previousStopLatitude==0.0) && (previousStopLongitude==0.0))
            {
               location.update(new BasicDBObject("driverID", driverId), new BasicDBObject("$set", new BasicDBObject("stopLatitude", stopLatitude).append("stopLongitude", stopLongitude)));
            }*/
        }
        updateFlag = true;
    }

    if (!updateFlag) {
        BasicDBObject locationObj = new BasicDBObject("Date", date.toString())
                .append("transitionLatitude", transitionLatitude)
                .append("transitionLongitude", transitionLongitude).append("stopLatitude", stopLatitude)
                .append("stopLongitude", stopLongitude).append("driverID", driverId);
        location.insert(locationObj);
        return "Location Details Inserted Sucessfully";
    } else {
        return "Location Details Updated";
    }

}

---

From source file:com.deliveronthego.DbConnection.java

public String transcationNotification(String driverID, Boolean pickedUp, Boolean delivered) {
    mongoclient = getConnection();/*from   ww  w. j av  a  2  s  .  c  o m*/
    @SuppressWarnings("deprecation")
    DB db = mongoclient.getDB("deliveronthego");
    DBCollection notification = db.getCollection("notification");

    BasicDBObject notificationObj = new BasicDBObject();
    notificationObj.append("driverID", driverID);
    Date date = new Date();
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);

    DBCursor notificationCursor = notification.find(notificationObj);

    if (pickedUp && !delivered) {
        notificationObj.append("pickedUp", pickedUp.toString()).append("delivered", delivered.toString())
                .append("date", cal.toString());
        notification.insert(notificationObj);

        return "New Transaction Data inserted";
    } else {
        if (notificationCursor.hasNext()) {
            notificationCursor.next();
            DBObject notifyObj = notificationCursor.curr();
            Date currentDateInDatabase = (Date) notifyObj.get("date");
            if (!(boolean) notifyObj.get("delivered") && currentDateInDatabase.before(date)) {
                notification.update(new BasicDBObject("driverID", driverID),
                        new BasicDBObject("$set", new BasicDBObject("delivered", delivered.toString())));
                return "Transaction Completed";
            } else {
                return "Transaction failed to update";
            }
        } else {
            return "Transaction failed";
        }
    }
}

---

From source file:com.dhamacher.addressbook.DBController.java

License:Open Source License

/**
 * This methods provides the data that is then published in the JList
 * component of the user view [Main.class]
 *
 * @return An object array for the JList component in the user view
 *//*from  w  w  w.  j a  va  2s .com*/
protected Object[] getContacts() {
    if (collection.count() == 0) {
        Object[] data = { "" };
        return data;
    } else {
        /* Use the database cursor to iterate trough the collection */
        DBCursor cursor = collection.find();

        /* New array based on the size of the collection */
        Object[] data = new Object[(int) collection.count()];
        int i = 0;
        while (cursor.hasNext()) {
            DBObject document = cursor.next();
            data[i] = document.get("first_name") + " " + document.get("last_name");
            i++;
        }
        cursor.close();
        return data;
    }
}

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