diff --git a/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryFactory.php b/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryFactory.php
new file mode 100644
index 0000000000..74662001f8
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryFactory.php
@@ -0,0 +1,22 @@
+<?php
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2016 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Databox;
+
+interface DataboxBoundRepositoryFactory
+{
+    /**
+     * Creates a Repository bounded to given Databox
+     *
+     * @param $databoxId
+     * @return object
+     */
+    public function createRepositoryFor($databoxId);
+}
diff --git a/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryProvider.php b/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryProvider.php
new file mode 100644
index 0000000000..ec76b31c3e
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Databox/DataboxBoundRepositoryProvider.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2016 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Databox;
+
+class DataboxBoundRepositoryProvider
+{
+    /**
+     * Repositories indexed by databox id
+     *
+     * @var object[]
+     */
+    private $repositories = [];
+
+    /**
+     * @var DataboxBoundRepositoryFactory
+     */
+    private $factory;
+
+    public function __construct(DataboxBoundRepositoryFactory $factory)
+    {
+        $this->factory = $factory;
+    }
+
+    /**
+     * @param int $databoxId
+     * @return object
+     */
+    public function getRepositoryForDatabox($databoxId)
+    {
+        if (!isset($this->repositories[$databoxId])) {
+            $this->repositories[$databoxId] = $this->factory->createRepositoryFor($databoxId);
+        }
+
+        return $this->repositories[$databoxId];
+    }
+}
diff --git a/tests/Alchemy/Tests/Phrasea/Databox/DataboxBoundRepositoryProviderTest.php b/tests/Alchemy/Tests/Phrasea/Databox/DataboxBoundRepositoryProviderTest.php
new file mode 100644
index 0000000000..99859f2f08
--- /dev/null
+++ b/tests/Alchemy/Tests/Phrasea/Databox/DataboxBoundRepositoryProviderTest.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2016 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Tests\Phrasea\Databox;
+
+use Alchemy\Phrasea\Databox\DataboxBoundRepositoryFactory;
+use Alchemy\Phrasea\Databox\DataboxBoundRepositoryProvider;
+use Prophecy\Argument;
+
+class DataboxBoundRepositoryProviderTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var DataboxBoundRepositoryProvider
+     */
+    private $sut;
+
+    protected function setUp()
+    {
+        $factory = $this->prophesize(DataboxBoundRepositoryFactory::class);
+
+        $factory
+            ->createRepositoryFor(Argument::type('integer'))
+            ->will(function ($args) {
+                return (object)['databoxId' => $args[0]];
+            });
+
+        $this->sut = new DataboxBoundRepositoryProvider($factory->reveal());
+    }
+
+    public function testItCreatesRepositoriesIfUnknown()
+    {
+        $repository = $this->sut->getRepositoryForDatabox(42);
+
+        $this->assertNotNull($repository, 'Failed to create a repository');
+        $this->assertSame($repository, $this->sut->getRepositoryForDatabox(42));
+    }
+
+    public function testItShouldNotCreateTwoRepositoriesPerDatabox()
+    {
+        $repository1 = $this->sut->getRepositoryForDatabox(1);
+        $repository2 = $this->sut->getRepositoryForDatabox(2);
+
+        $this->assertNotNull($repository1, 'Failed to create first repository');
+        $this->assertNotNull($repository2, 'Failed to create second repository');
+        $this->assertNotSame($repository1, $repository2, 'Different Databoxes should have different repositories');
+
+        $this->assertSame($repository2, $this->sut->getRepositoryForDatabox(2), 'Second Repository should be returned');
+        $this->assertSame($repository1, $this->sut->getRepositoryForDatabox(1), 'First Repository should be returned');
+    }
+}