diff --git a/src/Midgard/CreatePHP/Mapper/AbstractRdfMapper.php b/src/Midgard/CreatePHP/Mapper/AbstractRdfMapper.php
index c49cdf6..4e48e60 100644
--- a/src/Midgard/CreatePHP/Mapper/AbstractRdfMapper.php
+++ b/src/Midgard/CreatePHP/Mapper/AbstractRdfMapper.php
@@ -154,4 +154,47 @@ public function canonicalName($className)
     {
         return $className;
     }
+
+    /**
+     * This sort method is used for sorting elements in the given array according the reference array
+     * which contains some of the array keys of the first array.
+     *
+     * The method makes sure that array elements without a key in the reference stay in the array with
+     * a nearly stable order (i.e. what was before the elements in reference stays before, what was after
+     * stays after, what is in is ordered as in reference.
+     */
+    public function sort($array, $reference)
+    {
+        $headIdx = 0;
+        $tailIdx = 0;
+        $i = 0;
+        foreach($array as $element) {
+            $i++;
+            if (false === array_search($element, $reference)) {
+                if (0 == $tailIdx) {
+                    $headIdx = $i;
+                }
+            } else {
+                $tailIdx = $i;
+            }
+        }
+
+        $toSort = array_splice($array, $headIdx);
+        $tail = array_splice($toSort, $tailIdx - $headIdx);
+
+        for ($i=1; $i < count($toSort); $i++) {
+            $tempIdx = (int)array_search($toSort[$i], $reference);
+            $temp = $toSort[$i];
+            $j = $i - 1;
+
+            while ($j >= 0 && (int)array_search($toSort[$j], $reference) > $tempIdx){
+                $toSort[$j + 1] = $toSort[$j];
+                $j--;
+            }
+
+            $toSort[$j+1] = $temp;
+        }
+
+        return array_merge($array, $toSort, $tail);
+    }
 }
\ No newline at end of file
diff --git a/src/Midgard/CreatePHP/Mapper/DoctrinePhpcrOdmMapper.php b/src/Midgard/CreatePHP/Mapper/DoctrinePhpcrOdmMapper.php
index fe1f3e8..b779d3e 100644
--- a/src/Midgard/CreatePHP/Mapper/DoctrinePhpcrOdmMapper.php
+++ b/src/Midgard/CreatePHP/Mapper/DoctrinePhpcrOdmMapper.php
@@ -206,47 +206,4 @@ public function getNodeName(&$item, $key)
         $item = PathHelper::getNodeName($item);
     }
 
-    /**
-     * This sort method is used for sorting elements in the given array according the reference array
-     * which contains some of the array keys of the first array.
-     *
-     * The method makes sure that array elements without a key in the reference stay in the array with
-     * a nearly stable order (i.e. what was before the elements in reference stays before, what was after
-     * stays after, what is in is ordered as in reference.
-     */
-    public function sort($array, $reference)
-    {
-        $headIdx = 0;
-        $tailIdx = 0;
-        $i = 0;
-        foreach($array as $element) {
-            $i++;
-            if (false === array_search($element, $reference)) {
-                if (0 == $tailIdx) {
-                    $headIdx = $i;
-                }
-            } else {
-                $tailIdx = $i;
-            }
-        }
-
-        $toSort = array_splice($array, $headIdx);
-        $tail = array_splice($toSort, $tailIdx - $headIdx);
-
-        for ($i=1; $i < count($toSort); $i++) {
-            $tempIdx = (int)array_search($toSort[$i], $reference);
-            $temp = $toSort[$i];
-            $j = $i - 1;
-
-            while ($j >= 0 && (int)array_search($toSort[$j], $reference) > $tempIdx){
-                $toSort[$j + 1] = $toSort[$j];
-                $j--;
-            }
-
-            $toSort[$j+1] = $temp;
-        }
-
-        return array_merge($array, $toSort, $tail);
-    }
-
 }
diff --git a/src/Midgard/CreatePHP/RestService.php b/src/Midgard/CreatePHP/RestService.php
index 64f830f..174918c 100644
--- a/src/Midgard/CreatePHP/RestService.php
+++ b/src/Midgard/CreatePHP/RestService.php
@@ -206,7 +206,7 @@ private function _storeData($new_values, EntityInterface $entity)
                 $expanded_name = $this->_expandPropertyName($rel, $entity);
                 if (array_key_exists($expanded_name, $new_values)) {
                     $expectedOrder = $new_values[$expanded_name];
-                    array_walk($expectedOrder, array($this, 'walkChildrenNames'));
+                    array_walk($expectedOrder, array($this, 'walkJsonLdDecode'));
                     $this->_mapper->orderChildren($entity, $node, $expectedOrder);
                 }
             } elseif ($node instanceof PropertyInterface) {
@@ -229,7 +229,7 @@ private function _storeData($new_values, EntityInterface $entity)
         return null;
     }
 
-    public function walkChildrenNames(&$item, $key)
+    public function walkJsonLdDecode(&$item, $key)
     {
         $item = $this->jsonldDecode($item);
     }