includes/site/HashSiteStore.php

   1 <?php
   2 /**
   3  * In-memory implementation of SiteStore.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 /**
  24  * In-memory SiteStore implementation, storing sites in an associative array.
  25  *
  26  * @author Daniel Kinzler
  27  * @author Katie Filbert < aude.wiki@gmail.com >
  28  *
  29  * @since 1.25
  30  * @ingroup Site
  31  */
  32 class HashSiteStore implements SiteStore {
  33
  34         /**
  35          * @var Site[]
  36          */
  37         private $sites = array();
  38
  39         /**
  40          * @param array $sites
  41          */
  42         public function __construct( $sites = array() ) {
  43                 $this->saveSites( $sites );
  44         }
  45
  46         /**
  47          * Saves the provided site.
  48          *
  49          * @since 1.25
  50          *
  51          * @param Site $site
  52          *
  53          * @return boolean Success indicator
  54          */
  55         public function saveSite( Site $site ) {
  56                 $this->sites[$site->getGlobalId()] = $site;
  57         }
  58
  59         /**
  60          * Saves the provided sites.
  61          *
  62          * @since 1.25
  63          *
  64          * @param Site[] $sites
  65          *
  66          * @return boolean Success indicator
  67          */
  68         public function saveSites( array $sites ) {
  69                 foreach ( $sites as $site ) {
  70                         $this->saveSite( $site );
  71                 }
  72         }
  73
  74         /**
  75          * Returns the site with provided global id, or null if there is no such site.
  76          *
  77          * @since 1.25
  78          *
  79          * @param string $globalId
  80          * @param string $source either 'cache' or 'recache'.
  81          *                       If 'cache', the values can (but not obliged) come from a cache.
  82          *
  83          * @return Site|null
  84          */
  85         public function getSite( $globalId, $source = 'cache' ) {
  86                 if ( isset( $this->sites[$globalId] ) ) {
  87                         return $this->sites[$globalId];
  88                 } else {
  89                         return null;
  90                 }
  91         }
  92
  93         /**
  94          * Returns a list of all sites. By default this site is
  95          * fetched from the cache, which can be changed to loading
  96          * the list from the database using the $useCache parameter.
  97          *
  98          * @since 1.25
  99          *
 100          * @param string $source either 'cache' or 'recache'.
 101          *                       If 'cache', the values can (but not obliged) come from a cache.
 102          *
 103          * @return SiteList
 104          */
 105         public function getSites( $source = 'cache' ) {
 106                 return new SiteList( $this->sites );
 107         }
 108
 109         /**
 110          * Deletes all sites from the database. After calling clear(), getSites() will return an empty
 111          * list and getSite() will return null until saveSite() or saveSites() is called.
 112          */
 113         public function clear() {
 114                 $this->sites = array();
 115         }
 116
 117 }