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:calliope.db.MongoConnection.java

License:Open Source License

/**
 * List all the documents in a Mongo collection
 * @param collName the name of the collection
 * @return a String array of document keys
 * @throws AeseException //from  www  .j a  v  a  2s . co m
 */
@Override
public String[] listCollection(String collName) throws AeseException {
    if (!collName.equals(Database.CORPIX)) {
        try {
            connect();
        } catch (Exception e) {
            throw new AeseException(e);
        }
        DBCollection coll = getCollectionFromName(collName);
        BasicDBObject keys = new BasicDBObject();
        keys.put(JSONKeys.DOCID, 1);
        DBCursor cursor = coll.find(new BasicDBObject(), keys);
        System.out.println("Found " + cursor.count() + " documents");
        cursor.count();
        if (cursor.length() > 0) {
            String[] docs = new String[cursor.length()];
            Iterator<DBObject> iter = cursor.iterator();
            int i = 0;
            while (iter.hasNext())
                docs[i++] = (String) iter.next().get(JSONKeys.DOCID);
            return docs;
        } else {
            return new String[0];
        }
    } else {
        GridFS gfs = new GridFS(db, collName);
        DBCursor curs = gfs.getFileList();
        int i = 0;
        List<DBObject> list = curs.toArray();
        HashSet<String> set = new HashSet<String>();
        Iterator<DBObject> iter = list.iterator();
        while (iter.hasNext()) {
            String name = (String) iter.next().get("filename");
            set.add(name);
        }
        String[] docs = new String[set.size()];
        set.toArray(docs);
        return docs;
    }
}

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From source file:ch.windmobile.server.social.mongodb.ChatServiceImpl.java

License:Open Source License

@Override
public Messages findMessages(String chatRoomId, int maxCount) {
    if (maxCount <= 0) {
        throw new IllegalArgumentException("maxCount arg[1] must be greater than 0");
    }/*w  ww. jav  a  2  s  . c  o  m*/
    final String collectionName = computeCollectionName(chatRoomId);

    final DBObject fields = BasicDBObjectBuilder.start("_id", 1).add(MongoDBConstants.CHAT_PROP_USER, 1)
            .add(MongoDBConstants.CHAT_PROP_TEXT, 1).add(MongoDBConstants.CHAT_PROP_TIME, 1)
            .add(MongoDBConstants.CHAT_PROP_EMAIL_HASH, 1).get();
    DBCursor result = db.getCollection(collectionName).find(null, fields)
            .sort(new BasicDBObject("$natural", -1)).limit(maxCount);
    List<DBObject> all = result.toArray();

    Messages messages = new Messages();
    for (DBObject dbObject : all) {
        Message message = new Message();
        message.setId(dbObject.get("_id").toString());
        DateTime dateTime = ISODateTimeFormat.dateTime().parseDateTime((String) dbObject.get("time"));
        message.setDate(dateTime);
        message.setPseudo((String) dbObject.get(MongoDBConstants.CHAT_PROP_USER));
        message.setText((String) dbObject.get(MongoDBConstants.CHAT_PROP_TEXT));
        message.setEmailHash((String) dbObject.get(MongoDBConstants.CHAT_PROP_EMAIL_HASH));

        messages.getMessages().add(message);
    }
    return messages;
}

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From source file:com.affairs.dao.zaffar.CurrentAffairsDAO.java

License:Apache License

public List<DBObject> findAllSayDoProjects() {

    //List<DBObject> sayDoList = new ArrayList<DBObject>();

    DBObject whereCondition = new BasicDBObject().append("isCurrent", true).append("delInd", false);
    DBObject sortCondition = new BasicDBObject().append("tower", 1).append("platform", 1).append("program", 1)
            .append("Project", 1);

    DBCursor sayDoListCursor = this.saydoCollection.find(whereCondition).sort(sortCondition)
            .limit(SAYDO_UI_DISPLAY_LIMIT);

    /*DBObject sayDoCursor = new BasicDBObject();
            /*from www  .j  a  va2  s.  c  o m*/
    try {
    while (sayDoListCursor.hasNext()) {
        sayDoCursor = sayDoListCursor.next();
        sayDoList.add(sayDoCursor);
    }
    } catch (Exception exp) {
    System.out.println(exp.getMessage());
    } finally {
    sayDoListCursor.close();
    }*/
    return sayDoListCursor.toArray();
}

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From source file:com.andiandy.m101j.week3.hw2_3.BlogPostDAO.java

License:Apache License

public List<DBObject> findByDateDescending(int limit) {

    DBCursor cursor = postsCollection.find().sort(new BasicDBObject("date", -1)).limit(limit);
    List<DBObject> posts = cursor.toArray();

    // XXX HW 3.2,  Work Here
    // Return a list of DBObjects, each one a post from the posts collection

    return posts;
}

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From source file:com.andiandy.m101j.week4.course.BlogPostDAO.java

License:Apache License

public List<DBObject> findByDateDescending(int limit) {
    List<DBObject> posts;/*from w  w  w .  j a  va 2  s .co  m*/
    DBCursor cursor = postsCollection.find().sort(new BasicDBObject().append("date", -1)).limit(limit);
    try {
        posts = cursor.toArray();
    } finally {
        cursor.close();
    }
    return posts;
}

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From source file:com.andiandy.m101j.week4.course.BlogPostDAO.java

License:Apache License

public List<DBObject> findByTagDateDescending(final String tag) {
    List<DBObject> posts;/*  w  w  w.  j av  a2s . com*/
    BasicDBObject query = new BasicDBObject("tags", tag);
    System.out.println("/tag query: " + query.toString());
    DBCursor cursor = postsCollection.find(query).sort(new BasicDBObject().append("date", -1)).limit(10);
    try {
        posts = cursor.toArray();
    } finally {
        cursor.close();
    }
    return posts;
}

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From source file:com.bbc.remarc.ws.ThemeServiceImpl.java

License:Apache License

@GET
@Produces("application/json")
public Response find() {

    List<DBObject> results = new ArrayList<DBObject>();

    DB db = MongoClient.getDB();//from  w w  w .j  ava2s .  com
    db.requestStart();

    DBCollection theme = db.getCollection(COLLECTION_NAME);
    DBCursor cursor = theme.find().limit(NUM_THEMES);

    if (cursor.length() != NUM_THEMES) {
        throw new WebApplicationException(Response.status(HttpURLConnection.HTTP_INTERNAL_ERROR)
                .entity("unexpected number of themes returned").build());
    }

    results = cursor.toArray();

    db.requestDone();

    return Response.ok(String.format("%s", results)).build();
}

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From source file:com.ebay.cloud.cms.dal.persistence.MongoExecutor.java

License:Apache License

public static List<DBObject> find(PersistenceContext context, MetaClass metadata, DBObject queryObject,
        DBObject fieldObject, SearchOption option) {
    long start = System.currentTimeMillis();
    String msg = "success";
    DBCollection dbCollection = context.getDBCollection(metadata);
    DBCursor findCursor = null;
    Integer size = 0;//from  w ww  .j ava2s .c  om
    try {
        findCursor = dbCollection.find(queryObject, fieldObject);
        // set option
        if (option.hasLimit()) {
            findCursor.limit(option.getLimit());
        }
        if (option.hasSkip()) {
            findCursor.skip(option.getSkip());
        }
        if (option.hasSort()) {
            findCursor.sort(option.getSort());
        }
        // populate search result
        List<DBObject> result = findCursor.toArray();
        size = result.size();
        return result;
    } catch (Throwable t) {
        msg = t.getMessage();
        handleMongoException(t);
    } finally {
        if (findCursor != null) {
            findCursor.close();
        }
        logMongoAction(context, "find", start, dbCollection, queryObject, fieldObject, option, size, msg);
    }
    return Collections.emptyList();
}

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From source file:com.ebay.oss.bark.repo.DqMetricsRepoImpl.java

License:Apache License

@Override
public DqMetricsValue getLatestByAssetId(String assetId) {
    DBCursor temp = dbCollection.find(new BasicDBObject("assetId", assetId));
    List<DBObject> all = temp.toArray();
    long latest = 0L;
    DBObject latestObject = null;//from ww  w. j av a2 s.com
    for (DBObject o : all) {
        if (Long.parseLong(o.get("timestamp").toString()) - latest > 0) {
            latest = Long.parseLong(o.get("timestamp").toString());
            latestObject = o;
        }
    }

    if (latestObject == null) {
        return null;
    }
    return new DqMetricsValue(latestObject.get("metricName").toString(),
            Long.parseLong(latestObject.get("timestamp").toString()),
            Float.parseFloat(latestObject.get("value").toString()));
}

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From source file:com.ebay.oss.bark.repo.DqMetricsRepoImpl.java

License:Apache License

@Override
public List<DqMetricsValue> getByMetricsName(String name) {
    DBCursor temp = dbCollection.find(new BasicDBObject("metricName", name));
    List<DBObject> all = temp.toArray();
    List<DqMetricsValue> result = new ArrayList<DqMetricsValue>();
    for (DBObject o : all) {
        result.add(toEntity(o));/*from www.  ja v  a2 s.co  m*/
    }
    return result;
}

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