Using ZF2 Service Manager

ServiceManagerUsage.php

public function getServiceConfig()
        {
            return array(
                'factories' => array(
                    'Pizza'           => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $oObject = new \Application\Model\Pizza();
                        return $oObject;
                    },
                    'Ingredient'      => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $oObject = new \Application\Model\Ingredient();
                        return $oObject;
                    },
                    'PizzaIngredient' => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $oObject = new \Application\Model\PizzaIngredient();
                        return $oObject;
                    },
                    'Pizzas'                            => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
                        $table = new \Application\Model\Tables\Pizzas(
                            $dbAdapter,
                            $sm->get('Pizza')
                        );
                        return $table;
                    },
                    'Ingredients'                       => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
                        $table = new \Application\Model\Tables\Ingredients(
                            $dbAdapter,
                            $sm->get('Ingredient')
                        );
                        return $table;
                    },
                    'PizzaIngredients'                  => function ($sm) {
                        /** @var $sm \Zend\ServiceManager\ServiceManager */
                        $dbAdapter = $sm->get('Zend\Db\Adapter\Adapter');
                        $table = new \Application\Model\Tables\PizzaIngredients(
                            $dbAdapter,
                            $sm->get('PizzaIngredient')
                        );
                        return $table;
                    },
                ),
                'shared'    => array(
                    'Pizza'           => false,
                    'Ingredient'      => false,
                    'PizzaIngredient' => false
                )
            );
        }