Example usage for com.mongodb DBCursor close

Introduction

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

Prototype

@Override
    public void close() 

Source Link

Usage

From source file:org.exist.mongodb.xquery.mongodb.collection.Find.java

License:Open Source License

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {

    try {//from   w  w w. ja  v  a 2  s.  com
        // Verify clientid and get client
        String mongodbClientId = args[0].itemAt(0).getStringValue();
        MongodbClientStore.getInstance().validate(mongodbClientId);
        MongoClient client = MongodbClientStore.getInstance().get(mongodbClientId);

        // Get parameters
        String dbname = args[1].itemAt(0).getStringValue();
        String collection = args[2].itemAt(0).getStringValue();

        String query = (args.length >= 4) ? args[3].itemAt(0).getStringValue() : null;

        String keys = (args.length >= 5) ? args[4].itemAt(0).getStringValue() : null;

        // Get database
        DB db = client.getDB(dbname);
        DBCollection dbcol = db.getCollection(collection);

        // PLace holder result cursor
        DBCursor cursor;

        if (query == null) {
            // No query
            cursor = dbcol.find();

        } else {
            // Parse query
            BasicDBObject mongoQuery = (BasicDBObject) JSON.parse(query);

            // Parse keys when available
            BasicDBObject mongoKeys = (keys == null) ? null : (BasicDBObject) JSON.parse(keys);

            // Call correct method
            cursor = (mongoKeys == null) ? dbcol.find(mongoQuery) : dbcol.find(mongoQuery, mongoKeys);
        }

        // Execute query
        Sequence retVal = new ValueSequence();

        // Harvest results
        try {
            while (cursor.hasNext()) {
                retVal.add(new StringValue(cursor.next().toString()));
            }
        } finally {
            cursor.close();
        }

        return retVal;

    } catch (JSONParseException ex) {
        LOG.error(ex.getMessage());
        throw new XPathException(this, MongodbModule.MONG0004, ex.getMessage());

    } catch (XPathException ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, ex.getMessage(), ex);

    } catch (MongoException ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, MongodbModule.MONG0002, ex.getMessage());

    } catch (Throwable ex) {
        LOG.error(ex.getMessage(), ex);
        throw new XPathException(this, MongodbModule.MONG0003, ex.getMessage());
    }

}

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From source file:org.flinkmon.mongo.conn.ShardSetFinder.java

License:Open Source License

public Map<String, List<MongoClientWrapper>> findShardSets(MongoClient mongoS) {
    // TODO figure out how to do this with the new driver syntax. Does not
    // appear to support sisterDB
    DBCursor find = mongoS.getDB("admin").getSisterDB("config").getCollection("shards").find();
    Map<String, List<MongoClientWrapper>> shardSets = new HashMap<>();
    while (find.hasNext()) {
        DBObject next = find.next();/*  ww  w  . j a  va 2s  .c o m*/
        String key = (String) next.get("_id");
        shardSets.put(key, getMongoClient(buildServerAddressList(next)));
    }
    find.close();
    return shardSets;
}

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From source file:org.forgerock.openidm.repo.mongodb.impl.query.Queries.java

License:Open Source License

protected List<DBObject> executeQuery(QueryInfo queryInfo, Map<String, Object> params, DBCollection collection)
        throws BadRequestException {
    List<DBObject> result = null;
    if (queryInfo.isGroupQuery()) {
        String resultKey = "";
        List<String> list = queryInfo.getAggregationParams();
        List<DBObject> dboList = new ArrayList<DBObject>();
        DBObject firstParam = new BasicDBObject();
        boolean first = true;
        for (String s : list) {
            DBObject query = resolveQuery(s, params);
            if (first) {
                firstParam = query;//from  w  w w .j  a va2s  .co m
                first = !first;
            } else {
                dboList.add(query);
            }
        }

        AggregationOutput output = collection.aggregate(firstParam,
                (DBObject[]) dboList.toArray(new BasicDBObject[0]));
        if (output.results().iterator().hasNext()) {
            result = new ArrayList<DBObject>();
        }
        for (DBObject obj : output.results()) {
            result.add(obj);
        }
    } else {
        String q = (queryInfo.getQuery() == null) ? "{}" : queryInfo.getQuery();
        DBObject query = resolveQuery(q, params);
        String f = (queryInfo.getFileds() == null) ? "{}" : queryInfo.getFileds();
        DBObject fields = resolveQuery(f, params);
        String s = (queryInfo.getSort() == null) ? "{}" : queryInfo.getSort();
        DBObject sort = resolveQuery(s, params);

        DBCursor cur = null;
        try {
            cur = collection.find(query, fields).sort(sort);
            result = cur.toArray();
        } catch (Exception ex) {
            throw new BadRequestException(ex.getMessage());
        } finally {
            cur.close();
        }
    }
    return result;
}

---

From source file:org.geotools.data.mongodb.MongoLayer.java

License:LGPL

/**
 * Get mapping of field names and types, and counts for different types
 * /*from  w  ww .j a v a 2 s  . com*/
 * @param collection where metadata from map-reduce job stored, in format: { "_id" : {
 *            "fieldname" : "geometry.type", "type" : "Point"}, "value" : 2 } { "_id" : {
 *            "fieldname" : "properties.ActivityDescription", "type" : "number" }, "value" : 1 }
 *            { "_id" : { "fieldname" : "properties.ActivityDescription", "type" : "string" },
 *            "value" : 3 } where value is number of occurrences for given type
 * @return mapping of field names to ClassCount holding type and count info
 */
private HashMap<String, ClassCount> getFieldMap(DBCollection metaResultsColl) {
    // cursor over collection
    BasicDBObject query = new BasicDBObject();
    DBCursor cursor = metaResultsColl.find(query);
    // avoid cursor timeout
    cursor.addOption(Bytes.QUERYOPTION_NOTIMEOUT);
    // map to store fieldname and ClasCount object holding type and type-count info
    HashMap<String, ClassCount> fieldMap = new HashMap<String, ClassCount>();

    try {
        // iterate over each record
        while (cursor.hasNext()) {
            // check type found for current field
            DBObject currRec = cursor.next();
            DBObject currField = (DBObject) currRec.get("_id");
            String fieldName = (String) currField.get("fieldname");
            String fieldType = (String) currField.get("type");
            int typeCount = ((Double) currRec.get("value")).intValue();
            // if first occurrence of field name instantiate counter
            if (!fieldMap.containsKey(fieldName)) {
                fieldMap.put(fieldName, new ClassCount(fieldType, typeCount));
            }
            // else increment count for given type
            else {
                ClassCount currCount = fieldMap.get(fieldName);
                currCount.add(fieldType, typeCount);
                fieldMap.put(fieldName, currCount);
            }
        }
    } finally {
        // need to explicitly release cursor since notimeout option set
        cursor.close();
    }

    return fieldMap;
}

---

From source file:org.graylog2.database.PersistedServiceImpl.java

License:Open Source License

protected List<DBObject> cursorToList(DBCursor cursor) {
    List<DBObject> results = Lists.newArrayList();

    if (cursor == null) {
        return results;
    }/*from www. ja v  a2s  . c  o m*/

    try {
        while (cursor.hasNext()) {
            results.add(cursor.next());
        }
    } finally {
        cursor.close();
    }

    return results;
}

---

From source file:org.greenmongoquery.db.service.impl.MongoServiceImpl.java

License:Open Source License

@Override
public MongoCollectionModel getAllDocuments(Mongo mongo, String dbname, String collectionName) {
    Gson gson = new GsonBuilder().create();
    MongoCollectionModel model = new MongoCollectionModel();
    StringBuilder bsonData = new StringBuilder();
    List<Map> result = new ArrayList<Map>();
    model.setQuery("db." + collectionName + ".find();");
    Map data = new TreeMap();
    DB db = mongo.getDB(dbname);//from  w ww . j a  v a 2  s . co m
    DBCollection coll = db.getCollection(collectionName);
    DBCursor cursor = coll.find();
    String output = null;
    try {
        while (cursor.hasNext()) {
            output = cursor.next().toString();
            bsonData.append(output + "\n");
            data = gson.fromJson(output, Map.class);

            result.add(data);

        }
    } finally {
        cursor.close();
    }
    model.setBsonData(bsonData);
    model.setResult(result);
    return model;

}

---

From source file:org.greenmongoquery.db.service.impl.MongoServiceImpl.java

License:Open Source License

@Override
public MongoCollectionModel getDocumentsByQuery(Mongo mongo, String db, String collection, String query) {
    Map<String, String> queryDelimit = org.greenmongoquery.util.Util.getQuerySeperate(query);
    collection = (String) queryDelimit.get("coll");
    query = queryDelimit.get("query");
    logger.info("Query " + query);

    Gson gson = new GsonBuilder().create();
    MongoCollectionModel model = new MongoCollectionModel();
    StringBuilder bsonData = new StringBuilder();
    List<Map> result = new ArrayList<Map>();
    DBObject object = (DBObject) JSON.parse(query);
    DB dbs = mongo.getDB(db);// w  w  w.j  a  v a  2  s  .c om
    DBCollection coll = dbs.getCollection(collection);
    DBCursor cursor = coll.find(object);
    Map data = new TreeMap();
    String output = null;
    try {
        while (cursor.hasNext()) {
            output = cursor.next().toString();
            bsonData.append(output + "\n");
            data = gson.fromJson(output, Map.class);

            result.add(data);

        }
    } finally {
        cursor.close();
    }
    model.setBsonData(bsonData);
    model.setResult(result);
    return model;

}

---

From source file:org.helios.dashkuj.core.Dashkuj.java

License:Open Source License

/**
 * Synchronizes the api keys from mongoDB to redis for cases when redis loses them
 * @param redisHost The redis host// w  ww  .ja  v a2s .c  om
 * @param redisPort The redis port
 * @param mongoHost The mongodb host
 * @param mongoPort The mongodb port
 * FIXME:  Need to support credentials
 */
public void synchRedisApiKeys(String redisHost, int redisPort, String mongoHost, int mongoPort) {
    Mongo mongo = null;
    DBCursor cursor = null;
    Jedis jedis = null;
    try {
        mongo = new Mongo(mongoHost, mongoPort);
        jedis = new Jedis(redisHost, redisPort);
        log.info("Synchronizing APIKeys between mongo [{}:{}] and redis [{}:{}]", mongoHost, mongoPort,
                redisHost, redisPort);
        Map<String, String> apiKeys = jedis.hgetAll("apiKeys");
        DB db = mongo.getDB("dashku_development");
        DBCollection dbColl = db.getCollection("users");
        cursor = dbColl.find();
        while (cursor.hasNext()) {
            DBObject dbo = cursor.next();
            String apiKey = dbo.get("apiKey").toString();
            String id = dbo.get("_id").toString();
            String user = dbo.get("username").toString();
            log.debug("Inspecting user [" + user + "]");
            if (!apiKeys.containsKey(apiKey)) {
                jedis.hmset("apiKeys", Collections.singletonMap(apiKey, id));
                log.info("Added missing redis entry [" + apiKey + "] for user [" + user + "]");
            }
        }
        log.info("Redis Synch Complete");
    } catch (Exception ex) {
        log.error("Redis Synch Failed", ex);
        throw new RuntimeException("Redis Synch Failed", ex);
    } finally {
        if (cursor != null)
            try {
                cursor.close();
            } catch (Exception e) {
            }
        if (mongo != null)
            try {
                mongo.close();
            } catch (Exception e) {
            }
        if (jedis != null)
            try {
                jedis.disconnect();
            } catch (Exception e) {
            }
    }
}

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From source file:org.helios.dashkuj.domain.Dashboard.java

License:Open Source License

public static void main(String[] args) {
    Jedis jedis = null;/*ww w .  j  av  a 2s .com*/
    Mongo mongo = null;
    DBCursor cursor = null;
    Morphia morphia = null;
    Datastore mongoDs = null;
    try {
        jedis = new Jedis("dashku");
        Map<String, String> apiKeys = jedis.hgetAll("apiKeys");
        log(apiKeys);
        mongo = new Mongo("dashku");
        morphia = new Morphia();
        mongoDs = morphia.createDatastore(mongo, "dashku_development");
        DB db = mongo.getDB("dashku_development");
        DBCollection dbColl = db.getCollection("users");
        cursor = dbColl.find();
        while (cursor.hasNext()) {
            DBObject dbo = cursor.next();
            String apiKey = dbo.get("apiKey").toString();
            String id = dbo.get("_id").toString();
            String user = dbo.get("username").toString();
            log("Inspecting user [" + user + "]");
            if (!apiKeys.containsKey(apiKey)) {
                jedis.hmset("apiKeys", Collections.singletonMap(apiKey, id));
                log("Added missing redis entry [" + apiKey + "] for user [" + user + "]");
            }
        }
        cursor.close();

        //         CommandResult cr = db.command("serverStatus");
        //         Date date = cr.getDate("localTime");
        //         
        //         JsonElement je = new JsonParser().parse(cr.toString());
        //         String jsDate = je.getAsJsonObject().get("localTime").getAsJsonObject().getAsJsonPrimitive("$date").toString();
        //         //log(GsonFactory.getInstance().printer().toJson(je));
        //         log("Date:[" + date + "]");
        //         log("JS-Date:[" + jsDate + "]");
    } catch (Exception ex) {
        ex.printStackTrace(System.err);
    } finally {
        if (jedis != null)
            try {
                jedis.disconnect();
            } catch (Exception ex) {
            }
        if (cursor != null)
            try {
                cursor.close();
            } catch (Exception ex) {
            }
        if (mongo != null)
            try {
                mongo.close();
            } catch (Exception ex) {
            }
    }
}

---

From source file:org.jboss.aerogear.push.registration.DeviceRegistrationService.java

License:Apache License

public Set<String> allTokensForOS(String os) {
    Set<String> tokens = new HashSet<String>();
    DBCollection collection = database.getCollection(os);

    // interate:/*from w  ww .j  a v a2  s . c  om*/
    DBCursor cursor = collection.find();

    try {
        while (cursor.hasNext()) {
            tokens.add((String) cursor.next().get("token"));
        }
    } finally {
        cursor.close();
    }
    return tokens;
}

---

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