<?php
/**
 * File containing the ezcCacheInvalidDataException
 * 
 * @package Cache
 * @version 1.1
 * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
 * @license http://ez.no/licenses/new_bsd New BSD License
 */

/**
 * Thrown if the data to be stored in a cache can not be handled by the storage.
 * Most {@link ezcCacheStorage} implementations are only capable of storing 
 * scalar and array values, so this exception will be thrown when an incompatible
 * type is submitted for storage, like object or resource.
 * 
 * {@link ezcCacheStorage::store()}
 * {@link ezcCacheStorageFile::store()}
 *
 * {@link ezcCacheStorageFileArray::prepareData()}
 * {@link ezcCacheStorageFileEvalArray::prepareData()}
 * {@link ezcCacheStorageFilePlain::prepareData()}
 *
 * @package Cache
 * @version 1.1
 */
class ezcCacheInvalidDataException extends ezcCacheException
{
    function __construct( $actualType, array $expectedTypes )
    {
        parent::__construct( "The given data was of type <{$actualType}>, which can not be stored. Expecting: <" . implode( ', ', $expectedTypes ) . ">." );
    }
}
?>