Module.php

<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace DoctrineMongoODMModule;

use RuntimeException,
    Doctrine\Common\Annotations\AnnotationRegistry,
    Zend\Module\Consumer\AutoloaderProvider,
    Zend\Module\Manager;

/**
 * DoctrineModule provider for Mongo DB.
 *
 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link    www.doctrine-project.org
 * @since   1.0
 * @version $Revision$
 * @author  Kyle Spraggs <theman@spiffyjr.me>
 */
class Module implements AutoloaderProvider
{
    public function init(Manager $moduleManager)
    {
        $moduleManager->events()->attach('loadModules.post', array($this, 'modulesLoaded'));
    }

    public function modulesLoaded($e)
    {
        $config = $e->getConfigListener()->getMergedConfig();
        $config = $config['doctrine_mongoodm_module'];

        if ($config->use_annotations) {

            if (isset($config->annotation_file)) {
                $libfile = realpath($config->annotation_file);
            } else {
                // Trying to load DoctrineAnnotations.php without knowing its location
                $annotationReflection = new \ReflectionClass('Doctrine\ODM\MongoDB\Mapping\Driver\AnnotationDriver');
                $libfile = dirname($annotationReflection->getFileName()) . '/../Annotations/DoctrineAnnotations.php';
            }

            if (!$libfile) {
                throw new RuntimeException('Failed to load annotation mappings - check the "annotation_file" setting');
            }

            AnnotationRegistry::registerFile($libfile);
        }

        if (!class_exists('Doctrine\ODM\MongoDB\Mapping\Annotations\Document', true)) {
            throw new \Exception('Doctrine could not be autoloaded - ensure it is in the correct path.');
        }
    }

    public function getAutoloaderConfig()
    {
        return array(
            'Zend\Loader\ClassMapAutoloader' => array(
                __DIR__ . '/autoload_classmap.php',
            ),
        );
    }

    public function getConfig($env = null)
    {
        return include __DIR__ . '/config/module.config.php';
    }
}