Example usage for com.mongodb MongoClient getDB

Introduction

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

Prototype

@Deprecated 
public DB getDB(final String dbName)

Source Link

Document

Gets a database object.

Usage

From source file:mini_mirc_server.miniIRCHandler.java

/**
 * Moved active user to a passive user (soon to be deleted)
 * @param username/* w  ww.j a v  a  2  s.c  om*/
 * @return code
 */
public int SoftDelete(String username) {
    int ret = 0;
    try {
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("activeUser");
        DBCollection coll2 = db.getCollection("passiveUser");
        BasicDBObject query = new BasicDBObject("username", username);

        DBCursor cursor = coll.find(query);

        try {
            if (cursor.hasNext()) {
                DBObject temp = cursor.next();
                coll2.insert(temp);
                coll.remove(temp);
            } else {
                ret = 1;
            }
        } finally {
            cursor.close();
        }
    } catch (UnknownHostException ex) {
        Logger.getLogger(miniIRCHandler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return ret;
}

From source file:mini_mirc_server.miniIRCHandler.java

public String GetMessage(String username) {
    String ret = "";
    try {/*from w  ww  . j a  v  a 2 s.  c o m*/
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("inbox");
        BasicDBObject query = new BasicDBObject("target", username);
        JSONObject obj = new JSONObject();
        JSONArray arr = new JSONArray();
        DBCursor cursor = coll.find(query);

        try {
            while (cursor.hasNext()) {
                BasicDBObject temp = (BasicDBObject) cursor.next();
                JSONObject sav = new JSONObject();
                sav.put("target", temp.getString("target"));
                sav.put("username", temp.getString("username"));
                sav.put("channel", temp.getString("channel"));
                sav.put("message", temp.getString("message"));
                sav.put("timestamp", temp.getLong("timestamp"));
                arr.add(sav);
                coll.remove(temp);
            }
            obj.put("msg", arr);
            ret = obj.toJSONString();
        } finally {
            cursor.close();
        }
    } catch (UnknownHostException ex) {
        Logger.getLogger(miniIRCHandler.class.getName()).log(Level.SEVERE, null, ex);
    }
    UpdateLastActive(username);
    return ret;
}

From source file:mini_mirc_server.miniIRCHandler.java

private int PutMessage(String username, String channelname, String msg) {
    int ret = 0;//from  w  ww . ja v a 2  s.c  om
    try {
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("inbox");
        DBCollection coll2 = db.getCollection("channelCollection");
        BasicDBObject query2 = new BasicDBObject("channel", channelname);
        BasicDBObject query = new BasicDBObject("channel", channelname).append("username", username);
        DBCursor cursor = coll2.find(query);
        try {
            if (cursor.hasNext()) {
                DBCursor cursor2 = coll2.find(query2);
                System.out.println("Got message from " + username);
                try {
                    java.util.Date date = new java.util.Date();
                    while (cursor2.hasNext()) {
                        ret = 1;
                        BasicDBObject temp = (BasicDBObject) cursor2.next();
                        String target = temp.get("username").toString();
                        BasicDBObject put = new BasicDBObject("target", target).append("username", username)
                                .append("channel", channelname).append("message", msg)
                                .append("timestamp", date.getTime());
                        coll.insert(put);
                        ret = 0;
                    }
                } finally {
                    cursor2.close();
                }
            } else {
                ret = 2;
                System.out.println(username + " not registered to Channel : " + channelname);
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        ret = 1;
        Logger.getLogger(miniIRCHandler.class.getName()).log(Level.SEVERE, null, ex);
    }
    return ret;
}

From source file:mini_mirc_server.miniIRCHandler.java

private int PutMessageWild(String username, String msg) {
    int ret = 0;//from w w w  .  ja  v a2  s.co  m

    try {
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll2 = db.getCollection("channelCollection");
        BasicDBObject query = new BasicDBObject("username", username);
        System.out.println("Wild message appear from " + username + " !");
        DBCursor cursor = coll2.find(query);
        try {
            while (cursor.hasNext()) {
                ret = 1;
                BasicDBObject temp = (BasicDBObject) cursor.next();
                String channelname = temp.getString("channel");
                ret = PutMessage(username, channelname, msg);
            }
        } finally {
            cursor.close();
        }
    } catch (UnknownHostException ex) {
        Logger.getLogger(miniIRCHandler.class.getName()).log(Level.SEVERE, null, ex);
    }

    return 0;
}

From source file:mini_mirc_server.Mini_mirc_server.java

public static void cleaner() {
    try {/*  ww  w  .j a v a2  s.com*/
        boolean hard_clean = false;
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll = db.getCollection("activeUser");

        DBCursor cursor = coll.find();
        try {
            Date now = new Date();
            long timestamp_now = now.getTime();
            long treshold = timestamp_now - (1000 * 60 * 5); //5 minutes
            while (cursor.hasNext()) {
                hard_clean = true;
                BasicDBObject temp = (BasicDBObject) cursor.next();
                Date time_temp = (Date) temp.get("timestamp");
                long timestamp_temp = time_temp.getTime();
                if (timestamp_temp < treshold) {
                    String target = temp.getString("username");
                    handler.SoftDelete(target);
                }
            }
            HardClean();
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(Mini_mirc_server.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:mini_mirc_server.Mini_mirc_server.java

public static void HardClean() {
    try {//from w w  w.j av  a  2 s .  co  m
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll[] = new DBCollection[4];
        coll[0] = db.getCollection("channelCollection");
        coll[1] = db.getCollection("inbox");
        coll[2] = db.getCollection("activeUser");
        coll[3] = db.getCollection("passiveUser");

        DBCursor cursor = coll[3].find();

        try {
            while (cursor.hasNext()) {
                BasicDBObject temp = (BasicDBObject) cursor.next();
                String username = temp.getString("username");
                BasicDBObject query = new BasicDBObject("username", username);
                System.out.println("cleaning " + username);
                for (int i = 0; i < 4; i++) {
                    DBCursor cursor2 = coll[i].find(query);

                    try {
                        while (cursor2.hasNext()) {
                            DBObject temp2 = cursor2.next();
                            coll[i].remove(temp2);
                        }
                    } finally {
                        cursor2.close();
                    }
                }
            }
        } finally {
            cursor.close();
        }

    } catch (UnknownHostException ex) {
        Logger.getLogger(Mini_mirc_server.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:mini_mirc_server.Mini_mirc_server.java

/**
 * ONLY IF NO USER IS IN THE ACTIVE OR PASIVE COLLECTION;getting server to clean state
 *///from   ww w.j  ava 2 s.c  om
private static void UltimateClean() {
    try {
        MongoClient mongoClient = new MongoClient();
        DB db = mongoClient.getDB("mirc");
        DBCollection coll[] = new DBCollection[4];
        coll[0] = db.getCollection("activeUser");
        coll[1] = db.getCollection("passiveUser");
        coll[2] = db.getCollection("channelCollection");
        coll[3] = db.getCollection("inbox");

        DBCursor cursor[] = new DBCursor[4];
        cursor[0] = coll[0].find();
        cursor[1] = coll[1].find();
        cursor[2] = coll[2].find();
        cursor[3] = coll[3].find();
        try {
            if (!cursor[0].hasNext() && !cursor[1].hasNext() && cursor[2].hasNext() && cursor[3].hasNext()) {
                System.out.println("SYSTEM RESTARTING with ULTIMATE CLEANING !");
                for (int i = 2; i <= 3; i++) {
                    coll[i].drop();
                }
                System.out.println("RESTART COMPLETE!");
            }
        } finally {
            cursor[0].close();
            cursor[1].close();
        }
    } catch (UnknownHostException ex) {
        Logger.getLogger(Mini_mirc_server.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:mongocrud.DBManager.java

public static DB getDatabase() {
    if (database == null) {
        MongoClient mongo;
        try {/*www . jav  a2 s .  c o m*/
            mongo = new MongoClient("localhost", 27017);
            database = mongo.getDB("University");
        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    return database;
}

From source file:mongodb.countDocument.java

public static void main(String[] args) {
    try {//from  w ww.  j  a  v a  2s . com
        MongoClient mongoClient = new MongoClient("localhost", 27017);
        DB db = mongoClient.getDB("words");
        DBCollection collection = db.getCollection("word_stats");
        countDocument.countWords(collection);
    } catch (Exception e) {
        System.out.println(e);
    }
}

From source file:mongoDB.DBManager.java

public static DB getDatabase() {
    if (database == null) {
        MongoClient mongo;
        try {/*w  w  w.  ja  va 2  s .  com*/
            mongo = new MongoClient("RiviConn", 27017);
            mongo.getDB("usermanager");
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }

    }
    return database;
}