导入注解的麻烦 [英] Trouble with importing annotations

问题描述

我正在使用CodeIgniter项目，其中我使用的是Doctrine2和Symfony2 Validator组件。

我所有的Doctrine2实体使用Doctrine\ORM\Mapping ，实体管理员可以识别它们。我的实体注释如下所示：

  / ** 
 * @Entity（repositoryClass =UserRepository $ b * @Table（name =user）
 * @HasLifecycleCallbacks（）
 * / 
  

在这一点上，我能够坚持实​​体没有任何麻烦。当我尝试使用Symfony2 Validator组件时，会出现第一个问题。当我尝试验证用户对象时，我收到以下错误：

[语义错误]类Entity\User中的注释@Entity从未导入。你可能忘记为这个注释添加一个使用语句？

这个问题的唯一修复是通过使用Doctrine\Mapping\Entity ，但是我必须为我的实体正在使用的每个注释（Table，Column，ManyToOne等） ）。我想弄清楚为什么我需要明确地使用每个注释类，而不是自动识别（不应该使用Doctrine\ORM \Mapping 允许我访问该命名空间中的所有类？）。

所以，我尝试使用Doctrine\ORM\映射为ORM ，并以 ORM\ 开头的所有注释。例如： @ ORM\Entity（）。 Symfony2验证器停止抱怨，但现在Doctrine2抱怨类Entity\User不是有效的实体或映射的超类。我不知道为什么这种方法适用于验证器但不是教义2。如果我运行控制台命令 doctrine：orm：info ，我的用户实体无法识别。

因为这是一个CodeIgniter应用程序，我正在自动加载Symfony2和Doctrine2库。我的自动加载代码如下：

 ＃Symfony2 ClassLoader组件
 require_once __DIR__。 /application/libraries/symfony/src/Symfony/Component/ClassLoader/UniversalClassLoader.php; 
 $ loader = new \Symfony\Component\ClassLoader\UniversalClassLoader（）; 
 $ loader-> register（）; 
 $ loader-> registerNamespace（'Symfony'，__DIR__。'/ application / libraries / symfony / src'）; 
 $ loader-> registerNamespace（'Doctrine'，__DIR__。'/ application / libraries / doctrine / lib'）; 
 
＃Doctrine2 
 require_once __DIR__。 /application/libraries/doctrine/lib/Doctrine/Common/Annotations/AnnotationRegistry.php; 
使用Doctrine\Common\Annotations\AnnotationRegistry; 
 AnnotationRegistry :: registerLoader（$ class）use（$ loader）{
 $ loader-> loadClass（$ class）; 
 $ classExists = class_exists（$ class，false）; 
 return $ classExists; 
}）; 
 AnnotationRegistry :: registerFile（__ DIR__。/application/libraries/doctrine/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php'）; 
  

我不在乎我是否必须用 ORM\ 不是，我只是想找到一个解决方案，Symfony2验证器和Doctrine2都可以使用。任何想法？

解决方案

当使用Silex，Doctrine2和Symfony-Validator时，我有一个类似的问题。

解决方案是避免使用SimpleAnnotationsReader，而是使用正常的AnnotationReader（请查看 Doctrine\ORM\Configuration :: newDefaultAnnotationDriver ）。然后，您可以使用 ORM\ （当然插入使用Doctrine\ORM\Mapping作为ORM，在每个实体中）。

I'm working on a CodeIgniter project in which I'm using Doctrine2 and the Symfony2 Validator component.

All my Doctrine2 entities use Doctrine\ORM\Mapping and the entity manager recognizes them. My entity annotation looks like this:

/**
 * @Entity(repositoryClass = "UserRepository")
 * @Table(name = "user")
 * @HasLifecycleCallbacks()
 */

At this point, I'm able to persist entities without any trouble. The first problem arises when I try to use the Symfony2 Validator component. When I try to validate a User object, I get this error:

[Semantical Error] The annotation "@Entity" in class Entity\User was never imported. Did you maybe forget to add a "use" statement for this annotation?

The only "fix" to this issue is through use Doctrine\Mapping\Entity, but I have to do that for every annotation being used by my entity (Table, Column, ManyToOne, etc.). I'm trying to figure out why I need to explicitely use each annotation class instead of them being automatically recognized (shouldn't use Doctrine\ORM\Mapping grant me access to all the classes within that namespace?).

So, I then tried use Doctrine\ORM\Mapping as ORM and prefacing all my annotations with ORM\. Ex: @ORM\Entity(). The Symfony2 validator stops complaining, but now Doctrine2 complains that Class Entity\User is not a valid entity or mapped super class. I have no idea why this method works for the Validator, but not Doctrine2. If I run the console command doctrine:orm:info, my User entity is not recognized.

Because this is a CodeIgniter app, I'm autoloading the Symfony2 and Doctrine2 libraries. My autoload code is as follows:

# Symfony2 ClassLoader component
require_once __DIR__ . '/application/libraries/symfony/src/Symfony/Component/ClassLoader/UniversalClassLoader.php';
$loader = new \Symfony\Component\ClassLoader\UniversalClassLoader();
$loader->register();
$loader->registerNamespace('Symfony', __DIR__ . '/application/libraries/symfony/src');
$loader->registerNamespace('Doctrine', __DIR__ . '/application/libraries/doctrine/lib');

# Doctrine2 
require_once __DIR__ . '/application/libraries/doctrine/lib/Doctrine/Common/Annotations/AnnotationRegistry.php';
use Doctrine\Common\Annotations\AnnotationRegistry;
AnnotationRegistry::registerLoader(function($class) use ($loader) {
    $loader->loadClass($class);
    $classExists = class_exists($class, false);
    return $classExists;
});
AnnotationRegistry::registerFile(__DIR__ . '/application/libraries/doctrine/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php');

I don't care if I have to preface everything with ORM\ or not, I just want to find a solution that the Symfony2 Validator and Doctrine2 will both work with. Any ideas?

解决方案

I had a similar issue when using Silex, Doctrine2 and the Symfony-Validator.

The solution was to avoid using the SimpleAnnotationsReader and instead using the normal AnnotationReader (have a look at Doctrine\ORM\Configuration::newDefaultAnnotationDriver). You can then preface every entity with ORM\ (and of course inserting use Doctrine\ORM\Mapping as ORM; in every entity).

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