Reverse engineering with Oracle

create table TABLE_TEST1 (
   TEST1_FIRST_COLUMN      NUMBER(4)                       not null,
   TEST1_SECOND_COLUMN     VARCHAR2(50)                    not null,
   TEST1_THIRD_COLUMN      DATE,
   constraint PK_TABLE_TEST1 primary key (TEST1_FIRST_COLUMN)
         using index
       tablespace TBS_INDEX
       storage
       (
           initial 100K
           next 100K
       )
)
storage
(
    initial 100K
    next 100K
)
tablespace TBS_DATA;

create table TABLE_TEST2 (
   TEST2_FIRST_COLUMN      NUMBER(4)                       not null,
   TEST2_SECOND_COLUMN     VARCHAR2(50)                    not null,
   TEST2_THIRD_COLUMN      DATE,
   TEST1_FIRST_COLUMN      NUMBER(4)                       not null,
   constraint PK_TABLE_TEST2 primary key (TEST2_FIRST_COLUMN)
         using index
       tablespace TBS_INDEX
       storage
       (
           initial 100K
           next 100K
       )
)
storage
(
    initial 100K
    next 100K
)
tablespace TBS_DATA;

alter table TABLE_TEST2
   add constraint TABLE_TEST2__TABLE_TEST1 foreign key (TEST1_FIRST_COLUMN)
      references TABLE_TEST1 (TEST1_FIRST_COLUMN);

ini_set('display_errors', 1);
set_include_path(realpath(__DIR__ . '/../doctrine-orm/lib/'));

require 'Doctrine/Common/ClassLoader.php';
$classLoader = new \Doctrine\Common\ClassLoader('Doctrine', realpath(__DIR__ . '/../doctrine-orm/lib/'));
$classLoader->register();

$config = new \Doctrine\ORM\Configuration;
$cache = new \Doctrine\Common\Cache\ApcCache;
$config->setMetadataCacheImpl($cache);
$driverImpl = $config->newDefaultAnnotationDriver(realpath(__DIR__. '/Infofab/Entities'));
$config->setMetadataDriverImpl($driverImpl);
$config->setQueryCacheImpl($cache);
$config->setProxyDir('Proxies');
$config->setProxyNamespace('Infofab');
$connectionOptions = array(
    'dbname' => 'bddmkk',
    'user' => 'doctrine',
    'password' => 'xxxxxxx',
    'host' => 'localhost',
    'driver' => 'pdo_oci',
    'driverOptions' => array(PDO::ATTR_CASE => PDO::CASE_LOWER)
);

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

$sm = $em->getConnection()->getSchemaManager();

$em->getConfiguration()->setMetadataDriverImpl(
    new \Doctrine\ORM\Mapping\Driver\DatabaseDriver(
        $em->getConnection()->getSchemaManager()
    )
);

$cmf = new \Doctrine\ORM\Tools\DisconnectedClassMetadataFactory($em);
$metadata = $cmf->getAllMetadata();

$cme = new \Doctrine\ORM\Tools\Export\ClassMetadataExporter();
$exporter = $cme->getExporter('annotation', 'Infofab');
$exporter->setMetadata($metadata);
$etg = new \Doctrine\ORM\Tools\EntityGenerator;
$exporter->setEntityGenerator($etg);
$exporter->export();

<?php
/**
 * TableTest1
 *
 * @Table(name="TABLE_TEST1")
 * @Entity
 */
class TableTest1
{
    /**
     * @var integer $test1FirstColumn
     *
     * @Column(name="TEST1_FIRST_COLUMN", type="integer", nullable=false)
     * @Id
     * @GeneratedValue(strategy="SEQUENCE")
     * @SequenceGenerator(sequenceName="TABLE_TEST1_TEST1_FIRST_COLUMN", allocationSize="10", initialValue="1")
     */
    private $test1FirstColumn;

    /**
     * @var string $test1SecondColumn
     *
     * @Column(name="TEST1_SECOND_COLUMN", type="string", length=50, nullable=false)
     */
    private $test1SecondColumn;

    /**
     * @var datetime $test1ThirdColumn
     *
     * @Column(name="TEST1_THIRD_COLUMN", type="datetime", nullable=true)
     */
    private $test1ThirdColumn;
}

<?php
/**
 * TableTest2
 *
 * @Table(name="TABLE_TEST2")
 * @Entity
 */
class TableTest2
{
    /**
     * @var integer $test2FirstColumn
     *
     * @Column(name="TEST2_FIRST_COLUMN", type="integer", nullable=false)
     * @Id
     * @GeneratedValue(strategy="SEQUENCE")
     * @SequenceGenerator(sequenceName="TABLE_TEST2_TEST2_FIRST_COLUMN", allocationSize="10", initialValue="1")
     */
    private $test2FirstColumn;

    /**
     * @var integer $test1FirstColumn
     *
     * @Column(name="TEST1_FIRST_COLUMN", type="integer", nullable=false)
     */
    private $test1FirstColumn;

    /**
     * @var string $test2SecondColumn
     *
     * @Column(name="TEST2_SECOND_COLUMN", type="string", length=50, nullable=false)
     */
    private $test2SecondColumn;

    /**
     * @var datetime $test2ThirdColumn
     *
     * @Column(name="TEST2_THIRD_COLUMN", type="datetime", nullable=true)
     */
    private $test2ThirdColumn;

    /**
     * @var TABLETEST1
     *
     * @OneToOne(targetEntity="TABLETEST1")
     * @JoinColumns({
     *   @JoinColumn(name="TEST1_FIRST_COLUMN", referencedColumnName="TEST1_FIRST_COLUMN")
     * })
     */
    private $tEST1FIRSTCOLUMN;
}