lifecoder

import java.io.Serializable;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.UUID;

import javax.persistence.Access;
import javax.persistence.AccessType;
import javax.persistence.Column;
import javax.persistence.Embeddable;

lifecoder

CategoryRepository.prototype.findAll = function(callback) {
  return this.db.collection('categories', onCollectionReady);
  function onCollectionReady(error, collection) {
    if (error) return callback(error);
    collection.find(onCursorReady);
  }
  function onCursorReady(error, cursor) {
    console.log('onCursorReady');    
    if (error) return callback(error, null);
    cursor.toArray(callback);

lifecoder

var mongo = require('mongodb'),
    EventEmitter = require('events').EventEmitter;

function Connector(settings) {
  settings.port = settings.port || mongo.Connection.DEFAULT_PORT;
  this.settings = settings;
  this.server = new mongo.Server(settings.host, settings.port);
  this.db = new mongo.Db(settings.database, this.server, {native_parser: true});
}