# IndexedList.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2006-2007 by Konstantin V. Arkhipov                     *
    00004  *                                                                         *
    00005  *   This program is free software; you can redistribute it and/or modify  *
    00006  *   it under the terms of the GNU Lesser General Public License as        *
    00007  *   published by the Free Software Foundation; either version 3 of the    *
    00008  *   License, or (at your option) any later version.                       *
    00009  *                                                                         *
    00010  ***************************************************************************/
    00011
    00017     final class IndexedList extends AbstractList
    00018     {
    00022         public static function create()
    00023         {
    00024             return new self;
    00025         }
    00026
    00030         public function offsetSet($offset, $value)
    00031         {
    00032             Assert::isTrue($value instanceof Identifiable);
    00033
    00034             $offset = $value->getId();
    00035
    00036             if ($this->offsetExists($offset))
    00037                 throw new WrongArgumentException(
    00038                     "object with id == '{$offset}' already exists"
    00039                 );
    00040
    00041             $this->list[$offset] = $value;
    00042
    00043             return $this;
    00044         }
    00045     }
    00046 ?>