Example usage for com.mongodb DBCollection remove

Introduction

In this page you can find the example usage for com.mongodb DBCollection remove.

Prototype

public WriteResult remove(final DBObject query)

Source Link

Document

Remove documents from a collection.

Usage

From source file:com.streamreduce.core.dao.GenericCollectionDAO.java

License:Apache License

public BasicDBObject removeCollectionEntry(SobaObject sobaObject, ObjectId id) {
    DB db = getDatabase(DAODatasourceType.BUSINESS);

    String collectionName = getCollectionNameFromType(sobaObject);

    DBCollection collection = db.getCollection(collectionName);
    BasicDBObject payload = getById(DAODatasourceType.BUSINESS, collectionName, id);
    if (payload != null) {
        collection.remove(payload);
    }//from   w w  w.  j  a v a2s.  c  o m
    return payload;
}

From source file:com.streamreduce.core.dao.GenericCollectionDAO.java

License:Apache License

public BasicDBObject removeCollectionEntry(DAODatasourceType datasourceType, String collectionName,
        ObjectId id) {//from   w  w w. j a  va  2  s.c o  m
    DB db = getDatabase(datasourceType);
    DBCollection collection = db.getCollection(collectionName);
    BasicDBObject payload = getById(datasourceType, collectionName, id);
    if (payload != null) {
        collection.remove(payload);
    }
    return payload;
}

From source file:com.streamreduce.core.service.UserServiceImpl.java

License:Apache License

/**
 * SOBA-1617 -- bootstrap the Metric collections with proper indexes
 *
 * @param account - a valid account//from  w ww.  j a  va2 s  .  c om
 */
private void createMetricInbox(Account account) {

    // create a bogus object
    DB db = genericCollectionDAO.getDatabase(DAODatasourceType.MESSAGE);
    DBCollection collection = db.getCollection(MessageUtils.getMetricInboxPath(account));
    BasicDBObject dummyObj = new BasicDBObject();
    collection.insert(dummyObj);

    // add indexes
    collection.ensureIndex("metricGranularity");
    collection.ensureIndex("metricName");

    // remove bogus object
    collection.remove(dummyObj);
}

From source file:com.sube.daos.mongodb.CardMongoDaoImpl.java

License:Apache License

@Override
public void removeAll() {
    DBCollection collection = getCardCollection();
    collection.remove(new BasicDBObject());
}

From source file:com.sube.daos.mongodb.CardUsagesMongoDaoImpl.java

License:Apache License

@Override
public void removeAll() {
    DBCollection collection = getCardUsagesCollection();
    collection.remove(new BasicDBObject());
}

From source file:com.sube.daos.mongodb.EntryDaoImpl.java

License:Apache License

@Override
public void removeAll() {
    DBCollection collection = getCollection();
    collection.remove(new BasicDBObject());
}

From source file:com.sube.daos.mongodb.GenericProviderDaoImpl.java

License:Apache License

@Override
public void removeAll() {
    DBCollection collection = getProvidersCollection();
    collection.remove(new BasicDBObject());
}

From source file:com.tengen.Final7.java

License:Apache License

public static void main(String[] args) throws IOException {
    MongoClient client = new MongoClient();
    DB db = client.getDB("photoshare");
    int i = 0;//www .  j  a  v a 2  s  .  co m
    DBCollection album = db.getCollection("albums");
    DBCollection image = db.getCollection("images");

    DBCursor cur = image.find();
    cur.next();

    while (cur.hasNext()) {
        Object id = cur.curr().get("_id");
        DBCursor curalbum = album.find(new BasicDBObject("images", id));
        if (!curalbum.hasNext()) {
            image.remove(new BasicDBObject("_id", id));
        }
        cur.next();
    }
}

From source file:com.terkaly.JavaMongoDB.App.java

License:Open Source License

public static void main(String[] args) {
    try {/*w  w  w .  ja v a 2s.  co  m*/
        // Create a connection using mongoClient
        // 23.99.88.154 is obtained from the portal
        MongoClient mongoClient = new MongoClient("[ put your ip address here ]", 27017);

        // Get a connection to mydb
        DB db = mongoClient.getDB("mydb");

        // mydb has one or more collections, get "testCollection"
        DBCollection collection = db.getCollection("testCollection");

        // Create an empty object
        BasicDBObject empty = new BasicDBObject();

        // Clear out testCollection
        collection.remove(empty);

        // Acknowledges the write operation only
        // after committing the data to the journal
        mongoClient.setWriteConcern(WriteConcern.JOURNALED);

        // Here is the data format in JSON
        // {
        //   "name": "MongoDB",
        //   "type": "database",
        //   "count": 1,
        //   "info": {
        //         "x": 203,
        //         "y": 102
        //    }
        // }

        BasicDBObject doc = new BasicDBObject("name", "MongoDB").append("type", "database").append("count", 1)
                .append("info", new BasicDBObject("x", 203).append("y", 102));
        collection.insert(doc);

        DBObject myDoc = collection.findOne();
        System.out.println(myDoc);

    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.tomtom.speedtools.mongodb.DaoUtils.java

License:Apache License

/**
 * Removes the given object from the given collection. The entity must fully match the database record to be
 * removed.//w  w w.  jav  a2s . c o m
 *
 * @param <T>        The type of the object to remove.
 * @param collection Collection from which to remove the object.
 * @param mapper     Mapper to be used to transform the object.
 * @param entity     The object to be removed.
 * @throws EntityRemoveException Thrown if the object cannot be removed. The error will have been logged.
 */
public static <T> void removeEntity(@Nonnull final DBCollection collection,
        @Nonnull final EntityMapper<T> mapper, @Nonnull final T entity) throws EntityRemoveException {
    assert collection != null;
    assert mapper != null;
    assert entity != null;

    try {
        final DBObject dbObject = mapper.toDb(entity);
        collection.remove(dbObject);
    } catch (final MapperException | MongoException e) {
        final String message = "Map entity failed: type=" + entity.getClass().getSimpleName() + ", collection="
                + collection.getName() + '.';
        LOG.error("removeEntity: " + message, e);
        throw new EntityRemoveException(message, e);
    }
}