Example usage for com.mongodb DBObject get

Introduction

In this page you can find the example usage for com.mongodb DBObject get.

Prototype

Object get(String key);

Source Link

Document

Gets a field from this object by a given name.

Usage

From source file:com.bugull.mongo.AdvancedDao.java

License:Apache License

private double min(String key, DBObject query) {
    if (!this.exists(query)) {
        return 0;
    }/*  w w w.j  ava  2s . co  m*/
    StringBuilder map = new StringBuilder("function(){emit('");
    map.append(key);
    map.append("', {'value':this.");
    map.append(key);
    map.append("});}");
    String reduce = "function(key, values){var min=values[0].value; for(var i=1;i<values.length; i++){if(values[i].value<min){min=values[i].value;}} return {'value':min}}";
    Iterable<DBObject> results = null;
    try {
        results = mapReduce(map.toString(), reduce, query);
    } catch (MapReduceException ex) {
        logger.error(ex.getMessage(), ex);
    }
    DBObject result = results.iterator().next();
    DBObject dbo = (DBObject) result.get("value");
    return Double.parseDouble(dbo.get("value").toString());
}

From source file:com.bugull.mongo.AdvancedDao.java

License:Apache License

private double sum(String key, DBObject query) {
    if (!this.exists(query)) {
        return 0;
    }/* ww  w.  ja  va 2  s  .  com*/
    StringBuilder map = new StringBuilder("function(){emit('");
    map.append(key);
    map.append("', {'value':this.");
    map.append(key);
    map.append("});}");
    String reduce = "function(key, values){var sum=0; for(var i=0;i<values.length; i++){sum+=values[i].value;} return {'value':sum}}";
    Iterable<DBObject> results = null;
    try {
        results = mapReduce(map.toString(), reduce, query);
    } catch (MapReduceException ex) {
        logger.error(ex.getMessage(), ex);
    }
    DBObject result = results.iterator().next();
    DBObject dbo = (DBObject) result.get("value");
    return Double.parseDouble(dbo.get("value").toString());
}

From source file:com.bugull.mongo.BuguDao.java

License:Apache License

/**
 * Insert an entity to mongoDB./*from w w w  .j  a  va  2 s  . c o  m*/
 * @param t
 * @return 
 */
public WriteResult insert(T t) {
    DBObject dbo = MapperUtil.toDBObject(t);
    WriteResult wr = coll.insert(dbo, concern);
    String id = dbo.get(Operator.ID).toString();
    BuguEntity ent = (BuguEntity) t;
    ent.setId(id);
    if (luceneListener != null) {
        luceneListener.entityInsert(ent);
    }
    return wr;
}

From source file:com.bugull.mongo.decoder.EmbedDecoder.java

License:Apache License

public EmbedDecoder(Field field, DBObject dbo) {
    super(field);
    String fieldName = field.getName();
    Embed embed = field.getAnnotation(Embed.class);
    String name = embed.name();/*from   www. j  av  a  2s .  co m*/
    if (!name.equals(Default.NAME)) {
        fieldName = name;
    }
    value = dbo.get(fieldName);
}

From source file:com.bugull.mongo.decoder.EmbedListDecoder.java

License:Apache License

public EmbedListDecoder(Field field, DBObject dbo) {
    super(field);
    String fieldName = field.getName();
    EmbedList embedList = field.getAnnotation(EmbedList.class);
    String name = embedList.name();
    if (!name.equals(Default.NAME)) {
        fieldName = name;//  w  w w.  java  2  s  .c om
    }
    value = dbo.get(fieldName);
}

From source file:com.bugull.mongo.decoder.IdDecoder.java

License:Apache License

public IdDecoder(Field field, DBObject dbo) {
    super(field);
    value = dbo.get(Operator.ID);
}

From source file:com.bugull.mongo.decoder.PropertyDecoder.java

License:Apache License

public PropertyDecoder(Field field, DBObject dbo) {
    super(field);
    String fieldName = field.getName();
    Property property = field.getAnnotation(Property.class);
    if (property != null) {
        String name = property.name();
        if (!name.equals(Default.NAME)) {
            fieldName = name;//from w ww  .java2s .co  m
        }
    }
    value = dbo.get(fieldName);
}

From source file:com.bugull.mongo.decoder.RefDecoder.java

License:Apache License

public RefDecoder(Field field, DBObject dbo) {
    super(field);
    ref = field.getAnnotation(Ref.class);
    String fieldName = field.getName();
    String name = ref.name();//  w  w w  .j a  v  a  2  s  . co m
    if (!name.equals(Default.NAME)) {
        fieldName = name;
    }
    value = dbo.get(fieldName);
}

From source file:com.bugull.mongo.decoder.RefListDecoder.java

License:Apache License

public RefListDecoder(Field field, DBObject dbo) {
    super(field);
    refList = field.getAnnotation(RefList.class);
    String fieldName = field.getName();
    String name = refList.name();
    if (!name.equals(Default.NAME)) {
        fieldName = name;/*  w  w w .  j  av a 2 s .  c  o m*/
    }
    value = dbo.get(fieldName);
}

From source file:com.buzz.buzzdata.MongoBuzz.java

private String getBuzz(BasicDBObject query, Double lat, Double lng) {
    String retval = "";
    DBCollection buzzCollection = mongoDB.getCollection("BuzzInfo");
    DBObject sort = new BasicDBObject();
    sort.put("modified", -1);
    DBCursor cursor = buzzCollection.find(query).sort(sort);
    try {/*from   w  w  w.j  a  va 2  s .co m*/
        while (cursor.hasNext()) {
            //get buzzid
            DBObject buzz_obj = cursor.next();
            ObjectId buzz_id = (ObjectId) buzz_obj.get("_id");
            //get images for buzzid
            GridFS gridFS = new GridFS(mongoDB);
            BasicDBObject check_images = new BasicDBObject("BuzzID", buzz_id);
            List<GridFSDBFile> dbfiles = gridFS.find(check_images);
            String image_links = "";
            for (GridFSDBFile file : dbfiles) {
                String _buzz_id = buzz_id.toString();
                String pic_num = file.get("PicNum").toString();

                if (!image_links.equals("")) {
                    image_links += ",http://192.168.0.11:8080/BuzzRestAPI/webresources/buzz/Image?buzzid="
                            + _buzz_id + "&pic_num=" + pic_num;
                } else {
                    image_links += "http://192.168.0.11:8080/BuzzRestAPI/webresources/buzz/Image?buzzid="
                            + _buzz_id + "&pic_num=" + pic_num;
                }
            }
            String imgs = "\"Images\": " + "\"" + image_links + "\"";
            retval += buzz_obj;
            retval = retval.substring(0, retval.length() - 1);
            retval += ", " + imgs;
            double lat2 = (double) ((BasicDBList) buzz_obj.get("loc")).get(0);
            double lng2 = (double) ((BasicDBList) buzz_obj.get("loc")).get(1);
            double dist = this.haversine(lat, lng, lat2, lng2);
            retval += ", \"Distance\": " + dist;
            String directions_url = "https://maps.google.com/maps?saddr=" + lat + "," + lng + "&daddr=" + lat2
                    + "," + lng2 + "&hl=en&sll=" + lat + "," + lng + "&sspn=" + lat2 + "," + lng2
                    + "&t=m&mra=mift&mrsp=1&sz=5&z=18";
            retval += ", \"Directions\": \"" + directions_url + "\"";
            retval += "},";
        }
    } catch (Exception exc) {
    } finally {
        cursor.close();
    }
    retval = retval.substring(0, retval.length() - 1);
    retval = "callback({\"Buzzes\": [" + retval + "]})";
    return retval;
}