Doctrine integration refactoring, adds realtime index updates

TypeInspector.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace FOQ\ElasticaBundle;
+
+use Elastica_Type;
+
+/**
+ * Extracts the mapping fields from a type
+ *
+ * @author Thibault Duplessis <thibault.duplessis@gmail.com>
+ */
+class TypeInspector
+{
+    /**
+     * Gets the type mapping fields
+     *
+     * @param Elastica_Type $type
+     * @return array list of fields names
+     */
+    public function getMappingFieldsNames(Elastica_Type $type)
+    {
+        $mappings = $type->getMapping();
+        // skip index and type name
+        // < 0.16.0 has both index and type levels
+        // >= 0.16.0 has only type level
+        do {
+            $mappings = reset($mappings);
+        } while (is_array($mappings) && !isset($mappings['properties']));
+        if (!isset($mappings['properties'])) {
+            return array();
+        }
+        $mappings = $mappings['properties'];
+        if (array_key_exists('__isInitialized__', $mappings)) {
+            unset($mappings['__isInitialized__']);
+        }
+
+        return array_keys($mappings);
+    }
+}