--- /dev/null
+<?php
+/**
+ * An interface for lists
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 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 Listable extends FrameworkInterface, IteratorAggregate {
+ /**
+ * Checks whether the given group is set
+ *
+ * @param $groupName Group to check if found in list
+ * @return $isset Whether the group is valid
+ */
+ function isGroupSet ($groupName);
+
+ /**
+ * Adds the given group or if already added issues a ListGroupAlreadyAddedException
+ *
+ * @param $groupName Group to add
+ * @return void
+ * @throws ListGroupAlreadyAddedException If the given group is already added
+ */
+ function addGroup ($groupName);
+
+ /**
+ * Adds the given instance to list group and sub group
+ *
+ * @param $groupName Group to add instance to
+ * @param $subGroup Sub group to add instance to
+ * @param $visitableInstance An instance of Visitable
+ * @return void
+ * @throws NoListGroupException If the given group is not found
+ */
+ function addInstance ($groupName, $subGroup, Visitable $visitableInstance);
+
+ /**
+ * Adds the given entry to list group
+ *
+ * @param $groupName Group to add instance to
+ * @param $entry An entry of any type
+ * @return void
+ * @throws NoListGroupException If the given group is not found
+ */
+ function addEntry ($groupName, $entry);
+
+ /**
+ * Updates the given entry by hash with given array
+ *
+ * @param $hash Hash for this entry
+ * @param $entryArray Array with entry we should update
+ * @return void
+ * @throws InvalidListHashException If the solved hash index is invalid
+ */
+ function updateCurrentEntryByHash ($hash, array $entryArray);
+
+ /**
+ * "Getter" for an iterator instance of this list
+ *
+ * @return $iteratorInstance An instance of a Iterator class
+ */
+ function getListIterator ();
+
+ /**
+ * Clears this list (mostly by clearing all groups together)
+ *
+ * @return void
+ */
+ function clearList ();
+}
+
+// [EOF]
+?>