--- /dev/null
+<?php
+// Own namespace
+namespace CoreFramework\Generic;
+
+/**
+ * This is the top-level interface for all other interfaces and should contain
+ * method stubs which is being used in every class
+ *
+ * @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
+ * @todo Find a better name for this interface
+ *
+ * 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 FrameworkInterface {
+ /**
+ * Getter for field name
+ *
+ * @param $fieldName Field name which we shall get
+ * @return $fieldValue Field value from the user
+ * @throws NullPointerException If the result instance is null
+ */
+ function getField ($fieldName);
+
+ /**
+ * Checks if given field is set
+ *
+ * @param $fieldName Field name to check
+ * @return $isSet Whether the given field name is set
+ * @throws NullPointerException If the result instance is null
+ */
+ function isFieldSet ($fieldName);
+
+ /**
+ * Checks whether an object equals this object. You should overwrite this
+ * method to implement own equality checks
+ *
+ * @param $objectInstance An instance of a FrameworkInterface object
+ * @return $equals Whether both objects equals
+ */
+ function equals (FrameworkInterface $objectInstance);
+
+ /**
+ * Generates a code for hashes from this class
+ *
+ * @return $hashCode The hash code respresenting this class
+ */
+ function hashCode ();
+
+}