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:br.bireme.scl.CopyMongoDb.java

License:Open Source License

private static void copyDB(final String from_host, final String to_host, final String from_db,
        final String to_db, final String from_port, final String to_port, final boolean appendCollections,
        final boolean displayAllIds) throws UnknownHostException, IOException {
    assert from_host != null;
    assert to_host != null;
    assert from_db != null;
    assert to_db != null;
    assert from_port != null;
    assert to_port != null;

    final int MAX_LOOP_SIZE = 15000; // MongoException$CursorNotFound
    final MongoClient fromClient = new MongoClient(from_host, Integer.parseInt(from_port));
    final MongoClient toClient = new MongoClient(to_host, Integer.parseInt(to_port));
    final DB fromDb = fromClient.getDB(from_db);
    final DB toDb = toClient.getDB(to_db);

    if (!appendCollections) {
        toDb.dropDatabase();//w  w  w. ja  va 2s .  co m
    }

    final Set<String> colls = fromDb.getCollectionNames();

    for (String cname : colls) {
        if (cname.equals("system.indexes")) {
            continue;
        }

        final DBCollection fromColl = fromDb.getCollection(cname);
        final DBCollection toColl = toDb.getCollection(cname);

        DBCursor cursor = fromColl.find();
        int curr = 0;

        System.out.println("Copying collection: " + cname);

        while (cursor.hasNext()) {
            if (curr % MAX_LOOP_SIZE == 0) {
                if (curr > 0) {
                    cursor.close();
                    cursor = fromColl.find().skip(curr);
                    if (!cursor.hasNext()) {
                        throw new IOException("hasNext() failed");
                    }
                }
            }
            final DBObject doc = cursor.next();
            final WriteResult ret = toColl.save(doc, WriteConcern.ACKNOWLEDGED);

            if (!ret.getCachedLastError().ok()) {
                System.err.println("write error doc id=" + doc.get("_id"));
            }
            if (++curr % 1000 == 0) {
                System.out.println("+++" + curr);
            }
            if (displayAllIds) {
                System.out.println(" id=" + doc.get("_id"));
            }
        }
        cursor.close();

        System.out.println();
    }
}

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From source file:br.bireme.scl.Gizmo.java

License:Open Source License

Collection<Element> loadRecords(final String host, final int port, final String user, final String password)
        throws IOException {
    assert host != null;
    assert port > 0;

    final MongoClient mongoClient = new MongoClient(host, port);
    final DB db = mongoClient.getDB(SOCIAL_CHECK_DB);

    if ((user != null) && (!user.trim().isEmpty())) {
        final boolean auth = db.authenticate(user, password.toCharArray());
        if (!auth) {
            throw new IllegalArgumentException("invalid user/password");
        }/*from   w  w  w  . j  a  v a2s.c om*/
    }

    final DBCollection coll = db.getCollection(HISTORY_COL);
    final String fldName = ELEM_LST_FIELD + ".0." + EXPORTED_FIELD;
    final BasicDBObject query = new BasicDBObject(fldName, false);
    final DBCursor cursor = coll.find(query);
    final Collection<Element> col = getNotExportedElements(coll, cursor);

    cursor.close();

    return col;
}

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From source file:br.bireme.scl.JoinTitle.java

License:Open Source License

public JoinTitle(final String host, final int port) throws UnknownHostException {
    if (host == null) {
        throw new NullPointerException("host");
    }/*w  w  w .  j a v a2 s  .c  om*/
    if (port <= 0) {
        throw new IllegalArgumentException("port <= 0");
    }

    final MongoClient mongoClient = new MongoClient(host, port);

    mongoClient.dropDatabase(DB_NAME);
    db = mongoClient.getDB(DB_NAME);
}

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From source file:br.bireme.scl.ResetExportFlag.java

License:Open Source License

private static void reset(final String host, final int port, final String database, final String collection,
        final String sdate) throws UnknownHostException, ParseException {
    assert host != null;
    assert port > 0;
    assert database != null;
    assert collection != null;

    final MongoClient client = new MongoClient(host, port);
    final DB db = client.getDB(database);
    final DBCollection coll = db.getCollection(collection);
    final String prefix = ELEM_LST_FIELD + ".0.";
    final BasicDBObject query;
    final DBCursor cursor;

    if (sdate == null) {
        query = new BasicDBObject(prefix + EXPORTED_FIELD, true);
    } else {//from ww w  .  ja va 2s  . c o  m
        final SimpleDateFormat simple = new SimpleDateFormat("yyyyMMdd");
        final Date date = simple.parse(sdate);

        final BasicDBList list = new BasicDBList();
        list.add(new BasicDBObject(prefix + EXPORTED_FIELD, true));
        list.add(new BasicDBObject(prefix + LAST_UPDATE_FIELD, new BasicDBObject("$gte", date)));
        query = new BasicDBObject("$and", list);
    }
    cursor = coll.find(query);

    while (cursor.hasNext()) {
        final BasicDBObject doc = (BasicDBObject) cursor.next();
        final BasicDBList list = (BasicDBList) doc.get(ELEM_LST_FIELD);
        final BasicDBObject elem = (BasicDBObject) list.get(0);
        elem.put(EXPORTED_FIELD, false);
        coll.save(doc);
    }
    cursor.close();
}

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From source file:br.bireme.scl.SendEmailToCcs.java

License:Open Source License

public void sendEmails(final String toFile, final String host, final int port, final String user,
        final String password, final String database, final String collection) throws UnknownHostException {
    if (toFile == null) {
        throw new NullPointerException("toFile");
    }//from   ww w .  j  ava2s .  c o m
    if (host == null) {
        throw new NullPointerException("host");
    }
    if (port <= 0) {
        throw new IllegalArgumentException("port <= 0");
    }
    if (database == null) {
        throw new NullPointerException("database");
    }
    if (collection == null) {
        throw new NullPointerException("collection");
    }

    final Map<String, CcProfile> profiles = getProfiles(toFile);
    final MongoClient mongoClient = new MongoClient(host, port);
    final DB db = mongoClient.getDB(database);
    if (user != null) {
        final boolean auth = db.authenticate(user, password.toCharArray());
        if (!auth) {
            throw new IllegalArgumentException("invalid user/password");
        }
    }
    final DBCollection coll = db.getCollection(collection);

    prepareEmails(coll, profiles);
}

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From source file:br.bireme.scl.ShowBrokenLinks.java

License:Open Source License

public ShowBrokenLinks(final String host, final int port, final String user, final String password,
        final String database, final String collection) throws UnknownHostException {
    if (host == null) {
        throw new NullPointerException("host");
    }/*from  w  w  w . j a  v  a 2 s  .  c o  m*/
    if (port <= 0) {
        throw new IllegalArgumentException("port=" + port);
    }
    if (database == null) {
        throw new NullPointerException("database");
    }
    if (collection == null) {
        throw new NullPointerException("collection");
    }

    final MongoClient mongoClient = new MongoClient(host, port);
    final DB db = mongoClient.getDB(database);
    if (user != null) {
        final boolean auth = db.authenticate(user, password.toCharArray());
        if (!auth) {
            throw new IllegalArgumentException("invalid user/password");
        }
    }
    coll = db.getCollection(collection);
}

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From source file:br.bireme.scl.ShowFixedLinks.java

License:Open Source License

public ShowFixedLinks(final String host, final int port, final String user, final String password,
        final String database, final String collection) throws UnknownHostException {
    if (host == null) {
        throw new NullPointerException("host");
    }/*from   w ww  .j a v  a2  s .c  om*/
    if (port <= 0) {
        throw new IllegalArgumentException("port=" + port);
    }
    if (database == null) {
        throw new NullPointerException("database");
    }
    if (collection == null) {
        throw new NullPointerException("collection");
    }

    final MongoClient mongoClient = new MongoClient(host, port);
    final DB db = mongoClient.getDB(database);
    if (user != null) {
        final boolean auth = db.authenticate(user, password.toCharArray());
        if (!auth) {
            throw new IllegalArgumentException("invalid user/password");
        }
    }
    coll = db.getCollection(collection);
}

---

From source file:br.bireme.scl.TabulateField.java

License:Open Source License

public static void tabulate(final String host, final int port, final String user, final String password,
        final String database, final String collection, final String path) throws UnknownHostException {
    if (host == null) {
        throw new NullPointerException("host");
    }/*from w w w  . j a  v  a  2s .co m*/
    if (port <= 0) {
        throw new IllegalArgumentException("port <= 0");
    }
    if (collection == null) {
        throw new NullPointerException("collection");
    }
    if (path == null) {
        throw new NullPointerException("path");
    }
    final MongoClient mongoClient = new MongoClient(host, port);
    final DB db = mongoClient.getDB(database);
    if (user != null) {
        final boolean auth = db.authenticate(user, password.toCharArray());
        if (!auth) {
            throw new IllegalArgumentException("invalid user/password");
        }
    }
    final DBCollection coll = db.getCollection(collection);
    final DBCursor cursor = coll.find();
    final TreeMap<String, Integer> map1 = new TreeMap<String, Integer>();
    final TreeMap<Integer, String> map2 = new TreeMap<Integer, String>();
    final int ADD_VALUE = 99999999;
    final int size = cursor.size();

    while (cursor.hasNext()) {
        final BasicDBObject doc = (BasicDBObject) cursor.next();
        final String key = getValue(doc, path);

        if (key != null) {
            Integer val = map1.get(key);
            if (val == null) {
                val = 0;
            }
            val += 1;
            map1.put(key, val);
        }
    }
    cursor.close();
    for (Map.Entry<String, Integer> entry : map1.entrySet()) {
        map2.put(ADD_VALUE - entry.getValue(), entry.getKey());
    }

    System.out.println("Total # of docs: " + size + "\n");

    int idx = 0;
    for (Map.Entry<Integer, String> entry : map2.entrySet()) {
        final int val = ADD_VALUE - entry.getKey();
        final String percent = String.format("%.2f", ((float) val / size) * 100);
        System.out.println((++idx) + ") " + entry.getValue() + ": " + val + " (" + percent + "%)");
    }
}

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From source file:br.bireme.scl.UndoUpdate.java

License:Open Source License

private static void undo(final String host, final int port, final String database, final String fromDate,
        final String docId) throws UnknownHostException, ParseException {
    assert host != null;
    assert port > 0;
    assert database != null;
    assert (fromDate != null || docId != null);

    final MongoClient client = new MongoClient(host, port);
    final DB db = client.getDB(database);
    final DBCollection from_coll = db.getCollection(HISTORY_COL);
    final DBCollection to_coll = db.getCollection(BROKEN_LINKS_COL);
    final String prefix = ELEM_LST_FIELD + ".0.";
    final BasicDBObject query;

    if (fromDate == null) {
        query = new BasicDBObject("_id", docId);
    } else {/*  w ww .jav  a  2s  . c o m*/
        final SimpleDateFormat simple = new SimpleDateFormat(
                "yyyyMMdd" + (fromDate.contains(":") ? "-HH:mm:ss" : ""));
        final Date fDate = simple.parse(fromDate);
        query = new BasicDBObject(prefix + LAST_UPDATE_FIELD, new BasicDBObject("$gte", fDate));
    }
    final DBCursor cursor = from_coll.find(query);
    int total = 0;
    int reverted = 0;

    System.out.println("host=" + host);
    System.out.println("port=" + port);
    System.out.println("database=" + database);
    if (fromDate == null) {
        System.out.println("doc id=" + docId);
    } else {
        System.out.println("from date=" + fromDate);
    }
    System.out.println("found=" + cursor.size());

    while (cursor.hasNext()) {
        final BasicDBObject doc_from = (BasicDBObject) cursor.next();
        final BasicDBObject doc_to = new BasicDBObject(doc_from);
        final String id = doc_from.getString(ID_FIELD);
        final BasicDBList list = (BasicDBList) doc_from.get(ELEM_LST_FIELD);
        final BasicDBObject elem = (BasicDBObject) list.get(0);
        final Date date = elem.getDate(LAST_UPDATE_FIELD);

        doc_to.put(LAST_UPDATE_FIELD, date);
        doc_to.put(BROKEN_URL_FIELD, elem.getString(BROKEN_URL_FIELD));
        doc_to.put(MSG_FIELD, elem.getString(MSG_FIELD));
        doc_to.put(CENTER_FIELD, elem.get(CENTER_FIELD));
        doc_to.removeField(ELEM_LST_FIELD);

        final WriteResult wr = to_coll.save(doc_to, WriteConcern.ACKNOWLEDGED);
        if (wr.getCachedLastError().ok()) {
            final WriteResult wr2 = from_coll.remove(doc_from, WriteConcern.ACKNOWLEDGED);
            if (wr2.getCachedLastError().ok()) {
                reverted++;
                System.out.println("+++id=" + id + " date=" + date);
            } else {
                System.err.println("Document[" + id + "] delete error.");
            }
        } else {
            System.err.println("Document[" + id + "] update error.");
        }
        total++;
    }
    cursor.close();

    System.out.println("total/undo: " + total + "/" + reverted);
}

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From source file:br.bireme.tmp.AddPrettyField.java

License:Open Source License

private static void add(final String mongo_host, final int mongo_port, final String mongo_db,
        final String mongo_col) throws UnknownHostException {
    assert mongo_host != null;
    assert mongo_port > 0;
    assert mongo_db != null;
    assert mongo_col != null;

    final MongoClient client = new MongoClient(mongo_host, mongo_port);
    final DB db = client.getDB(mongo_db);
    final DBCollection coll = db.getCollection(HISTORY_COL);
    final DBCursor cursor = coll.find();
    int total = 0;

    System.out.println("host=" + mongo_host);
    System.out.println("port=" + mongo_port);
    System.out.println("database=" + mongo_db);
    System.out.println("collection=" + mongo_col);
    System.out.println("num of documents=" + cursor.size());

    while (cursor.hasNext()) {
        final BasicDBObject doc1 = (BasicDBObject) cursor.next();
        final BasicDBList list = (BasicDBList) doc1.get(ELEM_LST_FIELD);

        for (Object obj : list) {
            final BasicDBObject doc2 = (BasicDBObject) obj;
            if (!doc2.containsField(PRETTY_BROKEN_URL_FIELD)) {
                final String burl = doc2.getString(BROKEN_URL_FIELD);
                try {
                    final String pburl = EncDecUrl.decodeUrl(burl);
                    doc2.append(PRETTY_BROKEN_URL_FIELD, pburl);

                    final WriteResult wr = coll.save(doc1, WriteConcern.ACKNOWLEDGED);
                    if (wr.getCachedLastError().ok()) {
                        total++;// w w  w. j  ava 2  s.  c  o  m
                    } else {
                        System.err.println("Document[" + doc1.getString("_id") + "] update error.");
                    }
                } catch (IOException ioe) {
                    System.err.println("Document[" + doc1.getString("_id") + "] bad encode conversion"
                            + " url=[" + burl + "]");
                }
            }
        }
    }
    cursor.close();
    System.out.println("num of added fields: " + total);
}

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