class.ilAbstractBuddySystemRelationState.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Contact/BuddySystem/classes/class.ilBuddySystemRelation.php';
require_once 'Services/Contact/BuddySystem/exceptions/class.ilBuddySystemRelationStateException.php';
require_once 'Services/Contact/BuddySystem/interfaces/interface.ilBuddySystemRelationState.php';

abstract class ilAbstractBuddySystemRelationState implements ilBuddySystemRelationState
{
        public function isInitial()
        {
                return false;
        }

        public function request(ilBuddySystemRelation $relation)
        {
                throw new ilBuddySystemRelationStateException('Invalid state transition: ' . __FUNCTION__);
        }

        public function ignore(ilBuddySystemRelation $relation)
        {
                throw new ilBuddySystemRelationStateException('Invalid state transition: ' . __FUNCTION__);
        }

        public function link(ilBuddySystemRelation $relation)
        {
                throw new ilBuddySystemRelationStateException('Invalid state transition: ' . __FUNCTION__);
        }

        public function unlink(ilBuddySystemRelation $relation)
        {
                throw new ilBuddySystemRelationStateException('Invalid state transition: ' . __FUNCTION__);
        }
}