Example usage for com.mongodb DBCursor remove

Introduction

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

Prototype

@Override
    public void remove() 

Source Link

Usage

From source file:org.iternine.jeppetto.dao.mongodb.MongoDBQueryModelDAO.java

License:Apache License

public Iterable<T> findUsingQueryModel(QueryModel queryModel) {
    MongoDBCommand command = buildCommand(queryModel);
    DBCursor dbCursor = command.cursor(dbCollection);

    if (queryModel.getSorts() != null) {
        dbCursor.sort(processSorts(queryModel.getSorts()));
    }/*from  w  ww  .java 2s .  co m*/

    if (queryModel.getFirstResult() > 0) {
        dbCursor = dbCursor.skip(queryModel.getFirstResult()); // dbCursor is zero-indexed, firstResult is one-indexed
    }

    if (queryModel.getMaxResults() > 0) {
        dbCursor = dbCursor.limit(queryModel.getMaxResults());
    }

    final DBCursor finalDbCursor = dbCursor;

    return new Iterable<T>() {
        @Override
        public Iterator<T> iterator() {
            return new Iterator<T>() {
                @Override
                public boolean hasNext() {
                    return finalDbCursor.hasNext();
                }

                @Override
                @SuppressWarnings({ "unchecked" })
                public T next() {
                    DBObject result = finalDbCursor.next();

                    ((DirtyableDBObject) result).markPersisted();

                    if (MongoDBSession.isActive()) {
                        MongoDBSession.trackForSave(MongoDBQueryModelDAO.this, buildIdentifyingQuery(result),
                                (T) result, createIdentifyingQueries(result));
                    }

                    return (T) result;
                }

                @Override
                public void remove() {
                    finalDbCursor.remove();
                }
            };
        }
    };
}

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From source file:org.slc.sli.dal.template.MongoEntityTemplate.java

License:Apache License

public <T> Iterator<T> findEach(final Query query, final Class<T> entityClass, String collectionName) {
    MongoPersistentEntity<?> entity = mappingContext.getPersistentEntity(entityClass);

    DBCollection collection = getDb().getCollection(collectionName);

    prepareCollection(collection);//www .ja va 2s.  co m

    DBObject dbQuery = mapper.getMappedObject(query.getQueryObject(), entity);
    final DBCursor cursor;

    if (query.getFieldsObject() == null) {
        cursor = collection.find(dbQuery);
    } else {
        cursor = collection.find(dbQuery, query.getFieldsObject());
    }

    return new Iterator<T>() {
        @Override
        public boolean hasNext() {
            // TODO Auto-generated method stub
            return cursor.hasNext();
        }

        @Override
        public T next() {
            return getConverter().read(entityClass, cursor.next());
        }

        @Override
        public void remove() {
            cursor.remove();
        }
    };
}

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