First pass at converting files to use autoloading! Take care if you have an old yioop system you are upgrading, a=chris
First pass at converting files to use autoloading! Take care if you have an old yioop system you are upgrading, a=chris
<?php
/**
* SeekQuarry/Yioop --
* Open Source Pure PHP Search Engine, Crawler, and Indexer
*
* Copyright (C) 2009 - 2012 Chris Pollett chris@pollett.org
*
* LICENSE:
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* END LICENSE
*
* @author Chris Pollett chris@pollett.org
* @package seek_quarry
* @subpackage library
* @license http://www.gnu.org/licenses/ GPL3
* @link http://www.seekquarry.com/
* @copyright 2009 - 2012
* @filesource
*/
if(!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}
/** Loads common constants for web crawling*/
require_once BASE_DIR."/lib/crawl_constants.php";
/**
* Crawl data is stored in an IndexArchiveBundle,
* so load the definition of this class
*/
require_once BASE_DIR."/lib/index_archive_bundle.php";
/**
* Class used to manage open IndexArchiveBundle's while performing
* a query. Ensures an easy place to obtain references to these bundles
* and ensures only one object per bundle is instantiated in a Singleton-esque
* way.
*
* @author Chris Pollett
*
* @package seek_quarry
* @subpackage library
*/
class IndexManager implements CrawlConstants
{
/**
* Returns a reference to the managed copy of an IndexArchiveBundle object
* with a given timestamp or an IndexShard in the case where
* $index_name == "feed" (for handling news feeds)
*
* @param string $index_name timestamp of desired IndexArchiveBundle
* @return object the desired IndexArchiveBundle reference
*/
static function getIndex($index_name)
{
static $indexes = array();
if(!isset($indexes[$index_name])) {
if($index_name == "feed") {
if(file_exists(WORK_DIRECTORY."/feeds/index")) {
$indexes[$index_name] = new IndexShard(
WORK_DIRECTORY."/feeds/index", 0,
NUM_DOCS_PER_GENERATION, true);
} else {
return false;
}
} else {
$index_archive_name =self::index_data_base_name . $index_name;
$indexes[$index_name] =
new IndexArchiveBundle(
CRAWL_DIR.'/cache/'.$index_archive_name);
$indexes[$index_name]->setCurrentShard(0, true);
}
}
return $indexes[$index_name];
}
}
?>