Generator/DoctrineEntityGenerator.php
public function generate(BundleInterface $bundle, $entity, $format, array $fields)
    {
        // configure the bundle (needed if the bundle does not contain any Entities yet)
        $config = $this->registry->getManager(null)->getConfiguration();
        $config->setEntityNamespaces(array_merge(
            array($bundle->getName() => $bundle->getNamespace().'\\Entity'),
            $config->getEntityNamespaces()
        ));

        $entityClass = $this->registry->getAliasNamespace($bundle->getName()).'\\'.$entity;
        $entityPath = $bundle->getPath().'/Entity/'.str_replace('\\', '/', $entity).'.php';
        if (file_exists($entityPath)) {
            throw new \RuntimeException(sprintf('Entity "%s" already exists.', $entityClass));
        }

        $class = new ClassMetadataInfo($entityClass, $config->getNamingStrategy());
        $class->customRepositoryClassName = str_replace('\\Entity\\', '\\Repository\\', $entityClass).'Repository';
        $class->mapField(array('fieldName' => 'id', 'type' => 'integer', 'id' => true));
        $class->setIdGeneratorType(ClassMetadataInfo::GENERATOR_TYPE_AUTO);
        foreach ($fields as $field) {
            $class->mapField($field);
        }

        $entityGenerator = $this->getEntityGenerator();
        if ('annotation' === $format) {
            $entityGenerator->setGenerateAnnotations(true);
            $class->setPrimaryTable(array('name' => Inflector::tableize(str_replace('\\', '', $entity))));
            $entityCode = $entityGenerator->generateEntityClass($class);
            $mappingPath = $mappingCode = false;
        } else {
            $cme = new ClassMetadataExporter();
            $exporter = $cme->getExporter('yml' == $format ? 'yaml' : $format);
            $mappingPath = $bundle->getPath().'/Resources/config/doctrine/'.str_replace('\\', '.', $entity).'.orm.'.$format;

            if (file_exists($mappingPath)) {
                throw new \RuntimeException(sprintf('Cannot generate entity when mapping "%s" already exists.', $mappingPath));
            }

            $mappingCode = $exporter->exportClassMetadata($class);
            $entityGenerator->setGenerateAnnotations(false);
            $entityCode = $entityGenerator->generateEntityClass($class);
        }
        $entityCode = str_replace(
            array("@var integer\n", "@var boolean\n", "@param integer\n", "@param boolean\n", "@return integer\n", "@return boolean\n"),
            array("@var int\n", "@var bool\n", "@param int\n", "@param bool\n", "@return int\n", "@return bool\n"),
            $entityCode
        );

        self::mkdir(dirname($entityPath));
        self::dump($entityPath, $entityCode);

        if ($mappingPath) {
            self::mkdir(dirname($mappingPath));
            self::dump($mappingPath, $mappingCode);
        }

        $path = $bundle->getPath().str_repeat('/..', substr_count(get_class($bundle), '\\'));
        $this->getRepositoryGenerator()->writeEntityRepositoryClass($class->customRepositoryClassName, $path);
        $repositoryPath = $path.DIRECTORY_SEPARATOR.str_replace('\\', DIRECTORY_SEPARATOR, $class->customRepositoryClassName).'.php';

        return new EntityGeneratorResult($entityPath, $repositoryPath, $mappingPath);
    }
public function generate(BundleInterface $bundle, $entity, $format, array $fields)
    {
        // configure the bundle (needed if the bundle does not contain any Entities yet)
        $config = $this->registry->getManager(null)->getConfiguration();
        $config->setEntityNamespaces(array_merge(
            array($bundle->getName() => $bundle->getNamespace().'\\Entity'),
            $config->getEntityNamespaces()
        ));

        $entityClass = $this->registry->getAliasNamespace($bundle->getName()).'\\'.$entity;
        $entityPath = $bundle->getPath().'/Entity/'.str_replace('\\', '/', $entity).'.php';
        if (file_exists($entityPath)) {
            throw new \RuntimeException(sprintf('Entity "%s" already exists.', $entityClass));
        }

        $class = new ClassMetadataInfo($entityClass, $config->getNamingStrategy());
        $class->customRepositoryClassName = str_replace('\\Entity\\', '\\Repository\\', $entityClass).'Repository';
        $class->mapField(array('fieldName' => 'id', 'type' => 'integer', 'id' => true));
        $class->setIdGeneratorType(ClassMetadataInfo::GENERATOR_TYPE_AUTO);
        foreach ($fields as $field) {
            $class->mapField($field);
        }

        $entityGenerator = $this->getEntityGenerator();
        if ('annotation' === $format) {
            $entityGenerator->setGenerateAnnotations(true);
            $class->setPrimaryTable(array('name' => Inflector::tableize(str_replace('\\', '', $entity))));
            $entityCode = $entityGenerator->generateEntityClass($class);
            $mappingPath = $mappingCode = false;
        } else {
            $cme = new ClassMetadataExporter();
            $exporter = $cme->getExporter('yml' == $format ? 'yaml' : $format);
            $mappingPath = $bundle->getPath().'/Resources/config/doctrine/'.str_replace('\\', '.', $entity).'.orm.'.$format;

            if (file_exists($mappingPath)) {
                throw new \RuntimeException(sprintf('Cannot generate entity when mapping "%s" already exists.', $mappingPath));
            }

            $mappingCode = $exporter->exportClassMetadata($class);
            $entityGenerator->setGenerateAnnotations(false);
            $entityCode = $entityGenerator->generateEntityClass($class);
        }
        $entityCode = str_replace(
            array("@var integer\n", "@var boolean\n", "@param integer\n", "@param boolean\n", "@return integer\n", "@return boolean\n"),
            array("@var int\n", "@var bool\n", "@param int\n", "@param bool\n", "@return int\n", "@return bool\n"),
            $entityCode
        );

        self::mkdir(dirname($entityPath));
        self::dump($entityPath, $entityCode);

        if ($mappingPath) {
            self::mkdir(dirname($mappingPath));
            self::dump($mappingPath, $mappingCode);
        }

        $path = $bundle->getPath().str_repeat('/..', substr_count(get_class($bundle), '\\'));
        $this->getRepositoryGenerator()->writeEntityRepositoryClass($class->customRepositoryClassName, $path);
        $repositoryPath = $path.DIRECTORY_SEPARATOR.str_replace('\\', DIRECTORY_SEPARATOR, $class->customRepositoryClassName).'.php';

        return new EntityGeneratorResult($entityPath, $repositoryPath, $mappingPath);
    }
@param BundleInterface $bundle
@param string          $entity
@param string          $format
@param array           $fields

@return EntityGeneratorResult

@throws \Doctrine\ORM\Tools\Export\ExportException