Example usage for com.mongodb DBCursor toArray

Introduction

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

Prototype

public List<DBObject> toArray() 

Source Link

Document

Converts this cursor to an array.

Usage

From source file:models.UserGroup.java

License:Open Source License

public static List<UserGroup> listGroupsOfUser(ObjectId uid) {
    List<UserGroup> u = null;
    try {//w w  w .j  a  va  2s .  co m
        DBCursor iobj = (DBCursor) MongoDB.getDB().getCollection(MongoDB.CUserGroup).find();
        if (iobj != null)
            u = Lists.transform(iobj.toArray(), MongoDB.getSelf().toUserGroup());
    } catch (Exception ex) {
        Logger.info("user load fail");
        ex.printStackTrace();
        Logger.info(ex.toString());
        return null;
    }
    return u;
}

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From source file:models.UserGroup.java

License:Open Source License

public static List<UserGroup> loadGroups() {
    List<UserGroup> u = null;
    try {/*from ww  w  . j  av  a 2s .  c o m*/
        DBCursor iobj = (DBCursor) MongoDB.getDB().getCollection(MongoDB.CUserGroup).find();
        if (iobj != null)
            u = Lists.transform(iobj.toArray(), MongoDB.getSelf().toUserGroup());
    } catch (Exception ex) {
        Logger.info("user load fail");
        ex.printStackTrace();
        Logger.info(ex.toString());
        return null;
    }
    return u;
}

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From source file:models.UserLocation.java

License:Open Source License

public static List<UserLocation> getUserLocationHistory(String uid, Integer start, Integer count) {
    List<UserLocation> r = null;
    try {/*w  ww.  ja v  a  2s  .c  o  m*/
        BasicDBObject query = new BasicDBObject().append("userid", uid);
        BasicDBObject sort = new BasicDBObject().append("time", -1); // TODO natural sort
        DBCursor iobj = MongoDB.getDB().getCollection(MongoDB.CUserLocation).find(query).sort(sort).skip(start)
                .limit(count);
        if (iobj == null) {
            r = new ArrayList<UserLocation>();
        } else {
            Logger.info("user threads found");
            r = Lists.transform(iobj.toArray(), MongoDB.getSelf().toUserLocation());
        }
    } catch (Exception ex) {
        Logger.info("getUserThreads");
        ex.printStackTrace();
        Logger.info(ex.toString());
    }
    return r;
}

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From source file:models.UserLocation.java

License:Open Source License

public static List<UserLocation> getLocationHistory(String uid, Integer start, Integer count) {
    List<UserLocation> r = null;
    try {// w  ww  .j  a  va2  s.  com
        // hm.. toto moze byt vlastne staticke/singleton...
        BasicDBObject query = new BasicDBObject().append("location", uid);
        BasicDBObject sort = new BasicDBObject().append("time", -1); // TODO natural sort
        DBCursor iobj = MongoDB.getDB().getCollection(MongoDB.CUserLocation).find(query).sort(sort).skip(start)
                .limit(count);
        if (iobj == null) {
            r = new ArrayList<UserLocation>();
        } else {
            Logger.info("user threads found");
            r = Lists.transform(iobj.toArray(), MongoDB.getSelf().toUserLocation());
        }
    } catch (Exception ex) {
        Logger.info("getUserThreads");
        ex.printStackTrace();
        Logger.info(ex.toString());
    }
    return r;
}

---

From source file:NexT.db.mongo.DataModel.java

License:GNU General Public License

/**
 * Attempt to retrieve records from the specified collection using the
 * given query. If no records were found, null is returned instead.
 * @param collection The collection to query
 * @param query A DBObject representing the query parameters.
 * @param from From offset./*from   w  w w . j  a  va2s.  c  o  m*/
 * @param limit Max. number of entries.
 * @return Null if no documents were found or an array of records.
 * @throws MongoException Thrown if the MongoWrapper has not been
 * initialized yet or if there was an error reading the objects from the db.
 */
public static DataModel[] getData(String collection, DBObject query, int from, int limit)
        throws MongoException {
    MongoWrapper wrapper = MongoWrapper.getInstance();
    if (wrapper == null)
        throw new MongoException("MongoWrapper has not been initiated.");
    DBCollection col = wrapper.getCollection(collection);
    DBCursor cursor = col.find(query).skip(from);
    if (limit != -1)
        cursor = cursor.limit(limit);
    List<DBObject> modelsList;
    DataModel[] models;
    try {
        modelsList = cursor.toArray();
        models = new DataModel[modelsList.size()];
        for (int i = 0; i < models.length; i++) {
            models[i] = new DataModel(col, modelsList.get(i));
        }
    } catch (Exception ex) {
        throw new MongoException("Error while retrieving Objects", ex);
    } finally {
        cursor.close();
    }
    if (models.length == 0)
        return null;
    else
        return models;
}

---

From source file:org.apache.camel.component.mongodb.MongoDbProducer.java

License:Apache License

protected void doFindAll(Exchange exchange) throws Exception {
    DBCollection dbCol = calculateCollection(exchange);
    // do not use getMandatoryBody, because if the body is empty we want to retrieve all objects in the collection
    DBObject query = null;//  ww w. j  av a 2s .c o  m
    // do not run around looking for a type converter unless there is a need for it
    if (exchange.getIn().getBody() != null) {
        query = exchange.getIn().getBody(DBObject.class);
    }
    DBObject fieldFilter = exchange.getIn().getHeader(MongoDbConstants.FIELDS_FILTER, DBObject.class);

    // get the batch size and number to skip
    Integer batchSize = exchange.getIn().getHeader(MongoDbConstants.BATCH_SIZE, Integer.class);
    Integer numToSkip = exchange.getIn().getHeader(MongoDbConstants.NUM_TO_SKIP, Integer.class);
    Integer limit = exchange.getIn().getHeader(MongoDbConstants.LIMIT, Integer.class);
    DBObject sortBy = exchange.getIn().getHeader(MongoDbConstants.SORT_BY, DBObject.class);
    DBCursor ret = null;
    try {
        if (query == null && fieldFilter == null) {
            ret = dbCol.find(new BasicDBObject());
        } else if (fieldFilter == null) {
            ret = dbCol.find(query);
        } else {
            ret = dbCol.find(query, fieldFilter);
        }

        if (sortBy != null) {
            ret.sort(sortBy);
        }

        if (batchSize != null) {
            ret.batchSize(batchSize.intValue());
        }

        if (numToSkip != null) {
            ret.skip(numToSkip.intValue());
        }

        if (limit != null) {
            ret.limit(limit.intValue());
        }

        Message resultMessage = prepareResponseMessage(exchange, MongoDbOperation.findAll);
        resultMessage.setBody(ret.toArray());
        resultMessage.setHeader(MongoDbConstants.RESULT_TOTAL_SIZE, ret.count());
        resultMessage.setHeader(MongoDbConstants.RESULT_PAGE_SIZE, ret.size());

    } catch (Exception e) {
        // rethrow the exception
        throw e;
    } finally {
        // make sure the cursor is closed
        if (ret != null) {
            ret.close();
        }
    }

}

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From source file:org.baldeapi.v1.persistence.GenericDAO.java

License:Apache License

public List<DBObject> find(DBObject filter, DBObject sort, int skip, int limit) {

    DBCursor cursor = collection.find(filter).sort(sort).skip(skip).limit(limit);

    List<DBObject> result = null;

    try {/*from w  ww.  j  a va  2s  .c o m*/
        result = cursor.toArray();
    } finally {
        cursor.close();
    }

    return result;

}

---

From source file:org.baldeapi.v1.persistence.GenericDAO.java

License:Apache License

public List<DBObject> find(DBObject filter, DBObject projection, DBObject sort, int skip, int limit) {

    DBCursor cursor = collection.find(filter, projection).sort(sort).skip(skip).limit(limit);

    List<DBObject> result = null;

    try {//  w  ww  .  j av a 2s  . c  om
        result = cursor.toArray();
    } finally {
        cursor.close();
    }

    return result;

}

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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 ww. j  av a  2 s . c  o  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;
}

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From source file:org.javaee7.extra.mongo.PersonSessionBean.java

License:Open Source License

public List<Person> getPersons() {
    List<Person> persons = new ArrayList();
    DBCursor cur = personCollection.find();
    System.out.println("getPersons: Found " + cur.length() + " person(s)");
    for (DBObject dbo : cur.toArray()) {
        persons.add(Person.fromDBObject(dbo));
    }//from  w ww .j av a 2 s  .c om

    return persons;
}

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