103 lines
2.7 KiB
PHP
103 lines
2.7 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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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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