Integration of Doctrine2 and Zend Framework

bootstrap.php

/**
* Register namespace Application_
* @return Zend_Application_Module_Autoloader
*/
protected function _initAutoload() {
    $autoloader = new Zend_Application_Module_Autoloader(array(
    'namespace' => 'Application',
    'basePath'  => dirname(__FILE__),
    ));

    return $autoloader;
}

/**
* Initialize auto loader of Doctrine
*
* @return Doctrine_Manager
*/
protected function _initDoctrine() {
    // Fetch the global Zend Autoloader
    $autoloader = Zend_Loader_Autoloader::getInstance();

    $lib = '/path/to/Doctrine'; //path to git repository of Doctrine2 on filesystem
    require_once($lib.'/vendor/doctrine-common/lib/Doctrine/Common/ClassLoader.php');

    //doctrine autoloader
    $classLoader = new \Doctrine\Common\ClassLoader('Doctrine\Common', $lib.'/vendor/doctrine-common/lib');
    $classLoader->register();
    $classLoader = new \Doctrine\Common\ClassLoader('Doctrine\DBAL', $lib.'/vendor/doctrine-dbal/lib');
    $classLoader->register();
    $classLoader = new \Doctrine\Common\ClassLoader('Doctrine\ORM', $lib);
    $classLoader->register();

    //Push the doctrine autoloader to load for the Doctrine\ namespace
    $autoloader->pushAutoloader($classLoader, 'Doctrine\\');

    //init arraycache
    $cache = new \Doctrine\Common\Cache\ArrayCache;

    //setup configuration as seen from the sandbox application from the doctrine2 docs
    //http://www.doctrine-project.org/documentation/manual/2_0/en/configuration
    $config = new \Doctrine\ORM\Configuration();
    $config->setMetadataCacheImpl($cache);
    $driverImpl = $config->newDefaultAnnotationDriver(APPLICATION_PATH . '/../doctrine/entities');
    $config->setMetadataDriverImpl($driverImpl);
    $config->setQueryCacheImpl($cache);
    $config->setProxyDir(APPLICATION_PATH . '/../doctrine/proxies');
    $config->setProxyNamespace('Application\Proxies');
    $config->setAutoGenerateProxyClasses(true);

    //therefore you need some entries in your config:
    //doctrine.conn.host = 'localhost'
    //doctrine.conn.user = 'someuser'
    //doctrine.conn.pass = 'somepwd'
    //doctrine.conn.driv = 'pdo_pgsql' //i use postgres
    //doctrine.conn.dbname = 'somedbname'
    $doctrineConfig = $this->getOption('doctrine');
    $connectionOptions = array(
    'driver'    => $doctrineConfig['conn']['driv'],
    'user'      => $doctrineConfig['conn']['user'],
    'password'  => $doctrineConfig['conn']['pass'],
    'dbname'    => $doctrineConfig['conn']['dbname'],
    'host'      => $doctrineConfig['conn']['host']
    );

    $em = \Doctrine\ORM\EntityManager::create($connectionOptions, $config);

    Zend_Registry::set('entitymanager', $em);

    return $em;
}

Controller.php

class IndexController extends Zend_Controller_Action {

    public function init() {
        $this->_em = Zend_Registry::get('entitymanager');
    }

    public function indexAction() {
        $test = new Application_Model_Test();
        $test->name = 'Test';
        $this->_em->persist($test);
        $this->_em->flush();
    }
}

Model.php

/**
 * @Entity
 * @Table(name="test")
 */
class Application_Model_Test {
    /**
     * @Id @Column(type="integer")
     * @GeneratedValue(strategy="AUTO")
     */
    private $id;

    /** @Column(type="string") */
    public $name;
}