84 lines
1.7 KiB
PHP
84 lines
1.7 KiB
PHP
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<?php
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/**
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* Doctrine_Iterator
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* iterates through Doctrine_Collection
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*
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* @package Doctrine ORM
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* @url www.phpdoctrine.com
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* @license LGPL
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*/
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abstract class Doctrine_Iterator implements Iterator {
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/**
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* @var Doctrine_Collection $collection
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*/
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protected $collection;
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/**
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* @var array $keys
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*/
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protected $keys;
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/**
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* @var mixed $key
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*/
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protected $key;
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/**
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* @var integer $index
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*/
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protected $index;
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/**
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* @var integer $count
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*/
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protected $count;
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/**
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* constructor
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* @var Doctrine_Collection $collection
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*/
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public function __construct(Doctrine_Collection $collection) {
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$this->collection = $collection;
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$this->keys = $this->collection->getKeys();
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$this->count = $this->collection->count();
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}
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/**
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* rewinds the iterator
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*
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* @return void
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*/
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public function rewind() {
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$this->index = 0;
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$i = $this->index;
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if(isset($this->keys[$i]))
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$this->key = $this->keys[$i];
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}
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/**
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* returns the current key
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*
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* @return integer
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*/
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public function key() {
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return $this->key;
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}
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/**
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* returns the current record
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*
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* @return Doctrine_Record
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*/
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public function current() {
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return $this->collection->get($this->key);
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}
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/**
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* advances the internal pointer
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*
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* @return void
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*/
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public function next() {
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$this->index++;
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$i = $this->index;
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if(isset($this->keys[$i]))
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$this->key = $this->keys[$i];
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}
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}
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?>
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