[FrameworkBundle] Introduce a cache warmer for Serializer based on PhpArrayAdapter

Author: tgalopin

Mapping/Loader/XmlFileLoader.php

@@ -36,12 +36,11 @@ class XmlFileLoader extends FileLoader
     public function loadClassMetadata(ClassMetadataInterface $classMetadata)
     {
         if (null === $this->classes) {
-            $this->classes = array();
-            $xml = $this->parseFile($this->file);
+            $this->classes = $this->getClassesFromXml();
+        }
 
-            foreach ($xml->class as $class) {
-                $this->classes[(string) $class['name']] = $class;
-            }
+        if (!$this->classes) {
+            return false;
         }
 
         $attributesMetadata = $classMetadata->getAttributesMetadata();
@@ -74,6 +73,20 @@ public function loadClassMetadata(ClassMetadataInterface $classMetadata)
         return false;
     }
 
+    /**
+     * Return the names of the classes mapped in this file.
+     *
+     * @return string[] The classes names
+     */
+    public function getMappedClasses()
+    {
+        if (null === $this->classes) {
+            $this->classes = $this->getClassesFromXml();
+        }
+
+        return array_keys($this->classes);
+    }
+
     /**
      * Parses a XML File.
      *
@@ -93,4 +106,16 @@ private function parseFile($file)
 
         return simplexml_import_dom($dom);
     }
+
+    private function getClassesFromXml()
+    {
+        $xml = $this->parseFile($this->file);
+        $classes = array();
+
+        foreach ($xml->class as $class) {
+            $classes[(string) $class['name']] = $class;
+        }
+
+        return $classes;
+    }
 }

Mapping/Loader/YamlFileLoader.php

@@ -38,26 +38,11 @@ class YamlFileLoader extends FileLoader
     public function loadClassMetadata(ClassMetadataInterface $classMetadata)
     {
         if (null === $this->classes) {
-            if (!stream_is_local($this->file)) {
-                throw new MappingException(sprintf('This is not a local file "%s".', $this->file));
-            }
-
-            if (null === $this->yamlParser) {
-                $this->yamlParser = new Parser();
-            }
-
-            $classes = $this->yamlParser->parse(file_get_contents($this->file));
-
-            if (empty($classes)) {
-                return false;
-            }
-
-            // not an array
-            if (!is_array($classes)) {
-                throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
-            }
+            $this->classes = $this->getClassesFromYaml();
+        }
 
-            $this->classes = $classes;
+        if (!$this->classes) {
+            return false;
         }
 
         if (isset($this->classes[$classMetadata->getName()])) {
@@ -103,4 +88,41 @@ public function loadClassMetadata(ClassMetadataInterface $classMetadata)
 
         return false;
     }
+
+    /**
+     * Return the names of the classes mapped in this file.
+     *
+     * @return string[] The classes names
+     */
+    public function getMappedClasses()
+    {
+        if (null === $this->classes) {
+            $this->classes = $this->getClassesFromYaml();
+        }
+
+        return array_keys($this->classes);
+    }
+
+    private function getClassesFromYaml()
+    {
+        if (!stream_is_local($this->file)) {
+            throw new MappingException(sprintf('This is not a local file "%s".', $this->file));
+        }
+
+        if (null === $this->yamlParser) {
+            $this->yamlParser = new Parser();
+        }
+
+        $classes = $this->yamlParser->parse(file_get_contents($this->file));
+
+        if (empty($classes)) {
+            return array();
+        }
+
+        if (!is_array($classes)) {
+            throw new MappingException(sprintf('The file "%s" must contain a YAML array.', $this->file));
+        }
+
+        return $classes;
+    }
 }