Added a basic version of the interface implementation

trigger/startdatedelay/lib.php

+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Interface for the subplugintype trigger
+ * It has to be implemented by all subplugins.
+ *
+ * @package local
+ * @subpackage course_deprovision
+ * @copyright  2017 Tobias Reischmann WWU
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace local_course_deprovision\trigger;
+
+defined('MOODLE_INTERNAL') || die();
+require_once(__DIR__.'../lib.php');
+
+/**
+ * Class which implements the basic methods necessary for a course deprovision trigger subplugin
+ * @package local_course_deprovision\trigger
+ */
+class startdatedelay implements base {
+
+
+    /**
+     * Checks the course and returns a repsonse, which tells if the course should be further processed.
+     * @param $course object to be processed.
+     * @return SubpluginResponse
+     */
+    public function check_course($course) {
+        return true;
+    }
+
+}