Файл: framework/model/Filterable.php
Строк: 68
<?php
/**
* Additional interface for {@link SS_List} classes that are filterable.
*
* All methods in this interface are immutable - they should return new instances with the filter
* applied, rather than applying the filter in place
*
* @see SS_List, SS_Sortable, SS_Limitable
* @package framework
* @subpackage model
*/
interface SS_Filterable extends SS_List {
/**
* Returns TRUE if the list can be filtered by a given field expression.
*
* @param string $by
* @return bool
*/
public function canFilterBy($by);
/**
* Return a new instance of this list that only includes items with these charactaristics
*
* @return SS_Filterable
* @example $list = $list->filter('Name', 'bob'); // only bob in the list
* @example $list = $list->filter('Name', array('aziz', 'bob'); // aziz and bob in list
* @example $list = $list->filter(array('Name'=>'bob, 'Age'=>21)); // bob with the age 21
* @example $list = $list->filter(array('Name'=>'bob, 'Age'=>array(21, 43))); // bob with the Age 21 or 43
* @example $list = $list->filter(array('Name'=>array('aziz','bob'), 'Age'=>array(21, 43)));
* // aziz with the age 21 or 43 and bob with the Age 21 or 43
*/
public function filter();
/**
* Return a new instance of this list that excludes any items with these charactaristics
*
* @return SS_Filterable
* @example $list = $list->exclude('Name', 'bob'); // exclude bob from list
* @example $list = $list->exclude('Name', array('aziz', 'bob'); // exclude aziz and bob from list
* @example $list = $list->exclude(array('Name'=>'bob, 'Age'=>21)); // exclude bob that has Age 21
* @example $list = $list->exclude(array('Name'=>'bob, 'Age'=>array(21, 43))); // exclude bob with Age 21 or 43
* @example $list = $list->exclude(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43)));
* // bob age 21 or 43, phil age 21 or 43 would be excluded
*/
public function exclude();
/**
* Return a new instance of this list that excludes any items with these charactaristics
* Filter this List by a callback function. The function will be passed each record of the List in turn,
* and must return true for the record to be included. Returns the filtered list.
*
* @example $list = $list->filterByCallback(function($item, $list) { return $item->Age == 9; })
* @return SS_Filterable
*/
public function filterByCallback($callback);
}