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Zend_Paginator_AdapterAggregate Interface

Depending on your application you might want to paginate objects, whose internal data-structure is equal to existing adapters, but you don't want to break up your encapsulation to allow access to this data. In other cases an object might be in a "has-an adapter" relationship, rather than the "is-an adapter" relationsship that Zend_Paginator_Adapter_Abstract promotes. For this cases you can use the Zend_Paginator_AdapterAggregate interface that behaves much like the IteratorAggregate interface of the PHP SPL extension.

interface Zend_Paginator_AdapterAggregate
     * Return a fully configured Paginator Adapter from this method.
     * @return Zend_Paginator_Adapter_Abstract
public function getPaginatorAdapter();

The interface is fairly small and only expects you to return an instance of Zend_Paginator_Adapter_Abstract. An Adapter Aggregate instance is then recognized by both Zend_Paginator::factory() and the constructor of Zend_Paginator and handled accordingly.

Zend Framework