FileReader: Mimic cursor capability

library/Icinga/Protocol/File/FileReader.php

@@ -4,6 +4,7 @@
 namespace Icinga\Protocol\File;
 
 use Countable;
+use ArrayIterator;
 use Icinga\Data\Selectable;
 use Icinga\Data\ConfigObject;
 
@@ -71,6 +72,18 @@ class FileReader implements Selectable, Countable
         return new FileQuery($this);
     }
 
+    /**
+     * Fetch and return all rows of the given query's result set using an iterator
+     *
+     * @param   FileQuery   $query
+     *
+     * @return  ArrayIterator
+     */
+    public function query(FileQuery $query)
+    {
+        return new ArrayIterator($this->fetchAll($query));
+    }
+
     /**
      * Return the number of available valid lines.
      *