--- /dev/null
+<?php
+// Own namespace
+namespace CoreFramework\User\Registration;
+
+// Import framework stuff
+use CoreFramework\Criteria\Add\AddableCriteria;
+
+/**
+ * A class for user registration
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+interface UserRegister extends AddableCriteria {
+ /**
+ * Encrypt given request key or throws an exception if key was not found in
+ * request.
+ *
+ * @param $requestKey Key in request class
+ * @return void
+ */
+ function encryptPassword ($requestKey);
+
+ /**
+ * Perform things like informing assigned affilates about new registration
+ * before registration
+ *
+ * @return void
+ */
+ function doPreRegistration ();
+
+ /**
+ * Registers the new user account by insterting the request data into the
+ * database and paying some start credits or throw exceptions if this fails
+ *
+ * @return void
+ */
+ function registerNewUser ();
+
+ /**
+ * Perform things like notifying partner websites after registration is done
+ *
+ * @return void
+ */
+ function doPostRegistration ();
+
+ /**
+ * Do the action which is required after all registration steps are done.
+ * This can be a simple redirect to another webpage or displaying a message
+ * to the user. Or this can be a login step into the newly created account.
+ *
+ * @return void
+ */
+ function doPostAction ();
+
+}