Optimizing the Entity constructor by not looping over properties.

In the case of hydrating an entity for the first time, there is no
actual need for calling the genering set() method. This change makes
hydrating entities twice as fast.

src/ORM/Entity.php

@@ -56,6 +56,19 @@ class Entity implements EntityInterface
         ];
         $this->_className = get_class($this);
 
+        if (!empty($options['source'])) {
+            $this->source($options['source']);
+        }
+
+        if ($options['markNew'] !== null) {
+            $this->isNew($options['markNew']);
+        }
+
+        if (!empty($properties) && $options['markClean'] && !$options['useSetters']) {
+            $this->_properties = $properties;
+            return;
+        }
+
         if (!empty($properties)) {
             $this->set($properties, [
                 'setter' => $options['useSetters'],
@@ -66,13 +79,5 @@ class Entity implements EntityInterface
         if ($options['markClean']) {
             $this->clean();
         }
-
-        if ($options['markNew'] !== null) {
-            $this->isNew($options['markNew']);
-        }
-
-        if (!empty($options['source'])) {
-            $this->source($options['source']);
-        }
     }
 }