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123 lines
2.5 KiB
PHP
123 lines
2.5 KiB
PHP
<?php
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/**
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* ORMIterator that takes a ResultWrapper object returned from
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* a select operation returning IORMRow objects (ie IORMTable::select).
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*
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* Documentation inline and at https://www.mediawiki.org/wiki/Manual:ORMTable
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @since 1.20
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*
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* @file ORMResult.php
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* @ingroup ORM
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*
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* @license GNU GPL v2 or later
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* @author Jeroen De Dauw < jeroendedauw@gmail.com >
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*/
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class ORMResult implements ORMIterator {
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/**
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* @var ResultWrapper
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*/
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protected $res;
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/**
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* @var integer
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*/
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protected $key;
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/**
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* @var IORMRow
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*/
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protected $current;
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/**
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* @var IORMTable
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*/
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protected $table;
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/**
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* @param IORMTable $table
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* @param ResultWrapper $res
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*/
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public function __construct( IORMTable $table, ResultWrapper $res ) {
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$this->table = $table;
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$this->res = $res;
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$this->key = 0;
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$this->setCurrent( $this->res->current() );
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}
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/**
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* @param $row
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*/
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protected function setCurrent( $row ) {
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if ( $row === false ) {
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$this->current = false;
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} else {
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$this->current = $this->table->newRowFromDBResult( $row );
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}
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}
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/**
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* @return integer
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*/
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public function count() {
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return $this->res->numRows();
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}
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/**
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* @return boolean
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*/
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public function isEmpty() {
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return $this->res->numRows() === 0;
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}
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/**
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* @return IORMRow
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*/
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public function current() {
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return $this->current;
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}
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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 $this->key;
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}
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public function next() {
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$row = $this->res->next();
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$this->setCurrent( $row );
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$this->key++;
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}
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public function rewind() {
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$this->res->rewind();
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$this->key = 0;
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$this->setCurrent( $this->res->current() );
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}
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/**
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* @return boolean
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*/
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public function valid() {
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return $this->current !== false;
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}
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}
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