ENH Add generic types (#94)

src/VersionFeed.php

@@ -13,10 +13,13 @@ use SilverStripe\ORM\FieldType\DBField;
 use SilverStripe\SiteConfig\SiteConfig;
 use SilverStripe\View\Parsers\HtmlDiff;
 use SilverStripe\CMS\Model\SiteTree;
+use SilverStripe\Versioned\Versioned_Version;
 
+/**
+ * @extends Extension<SiteTree&static>
+ */
 class VersionFeed extends SiteTreeExtension
 {
-    
     private static $db = array(
         'PublicHistory' => 'Boolean(true)'
     );
@@ -68,7 +71,7 @@ class VersionFeed extends SiteTreeExtension
      * @param int $highestVersion Top version number to consider.
      * @param int $limit Limit to the amount of items returned.
      *
-     * @returns ArrayList List of cleaned records.
+     * @return ArrayList<Versioned_Version> List of cleaned records.
      */
     public function getDiffList($highestVersion = null, $limit = 100)
     {
@@ -156,7 +159,7 @@ class VersionFeed extends SiteTreeExtension
      * Return a single diff representing this version.
      * Returns the initial version if there is nothing to compare to.
      *
-     * @return DataObject|null Object with relevant fields diffed.
+     * @return Versioned_Version|null Object with relevant fields diffed.
      */
     public function getDiff()
     {

src/VersionFeedController.php

@@ -11,11 +11,15 @@ use SilverStripe\ORM\DB;
 use SilverStripe\Security\Member;
 use SilverStripe\ORM\ArrayList;
 use SilverStripe\CMS\Model\SiteTree;
+use SilverStripe\Control\Controller;
 use SilverStripe\Core\Convert;
 use SilverStripe\View\Requirements;
 use SilverStripe\Core\Extension;
 use SilverStripe\VersionFeed\Filters\ContentFilter;
 
+/**
+ * @extends Extension<Controller&static>
+ */
 class VersionFeedController extends Extension
 {
     private static $allowed_actions = array(

src/VersionFeedSiteConfig.php

@@ -7,13 +7,15 @@ use SilverStripe\Forms\CheckboxField;
 use SilverStripe\Forms\FieldGroup;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\ORM\DataExtension;
+use SilverStripe\SiteConfig\SiteConfig;
 
 /**
  * Allows global configuration of all changes
+ *
+ * @extends DataExtension<SiteConfig>
  */
 class VersionFeedSiteConfig extends DataExtension
 {
-    
     private static $db = array(
         'AllChangesEnabled' => 'Boolean(true)'
     );