Complete provider, finder, transformers and configuration refactoring

Transformer/ModelToElasticaTransformerInterface.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace FOQ\ElasticaBundle\Transformer;
+
+/**
+ * Maps Elastica documents with model objects
+ */
+interface ModelToElasticaTransformerInterface
+{
+    /**
+     * Transforms an object into an elastica object having the required keys
+     *
+     * @param object $object the object to convert
+     * @param array $fields the keys we want to have in the returned array
+     * @return Elastica_Document
+     **/
+    function transform($object, array $fields);
+}