PHP Classes

File: include/datasources/TemplateSource.lib

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  Classes of philippe thomassigny   Dominion   include/datasources/TemplateSource.lib   Download  
File: include/datasources/TemplateSource.lib
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Dominion
Build and execute portable SQL queries
Author: By
Last change:
Date: 12 years ago
Size: 4,476 bytes
 

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<?php /* TemplateSource.lib, DomCore, the WebAbility(r) Core System Contains the object to compile and use templates (c) 2008-2012 Philippe Thomassigny This file is part of DomCore DomCore 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. DomCore 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 DomCore. If not, see <http://www.gnu.org/licenses/>. */ /* @UML_Box -- Do not edit |------------------------------------------------------------------| | TemplateSource : Template 4-levels access object | |------------------------------------------------------------------| | # originsource : DataSource extended object | | # fastobjectsource : FastObjectSource extended object | | # loaded : boolean | | - tm1 : timestamp of originsource | | - tm2 : timestamp of fastobjectsource | |------------------------------------------------------------------| | + new TemplateSource($originsource: DataSource, $fastobjectsource: FastObjectSource) | | + isValid() : boolean | | + getTimestamp() : integer | | + read() : mixed | | + write($data: mixed) : void | | + unlink() : void | |------------------------------------------------------------------| |------------------------------------------------------------------| @End_UML_Box */ class TemplateSource extends DataSource { protected $originsource = null; protected $fastobjectsource = null; protected $loaded = false; private $tm1; private $tm2; public function __construct($originsource, $fastobjectsource) { parent::__construct(null); if (self::$debug || $this->localdebug) $this->doDebug("include/datasources/TemplateSource->__construct($originsource, $fastobjectsource)", WADebug::SYSTEM); $this->originsource = $originsource; $this->fastobjectsource = $fastobjectsource; } public function isValid() { if (self::$debug || $this->localdebug) $this->doDebug('include/datasources/TemplateSource->isValid()', WADebug::SYSTEM); $this->tm1 = $this->originsource->getTimeStamp(); $this->tm2 = $this->fastobjectsource->getTimeStamp(); // true if the afo in shared memory is OK return ($this->tm1 && $this->tm2 && $this->tm1 <= $this->tm2); } public function getTimeStamp() { if (self::$debug || $this->localdebug) $this->doDebug("include/datasources/TemplateSource->getTimeStamp()", WADebug::SYSTEM); return $this->fastobjectsource->getTimeStamp(); } public function write($data) { if (self::$debug || $this->localdebug) $this->doDebug("include/datasources/TemplateSource->write($data)", WADebug::SYSTEM); parent::write($data); $this->fastobjectsource->write($data); // $this->originsource->write($data); $this->loaded = true; } public function read() { if (self::$debug || $this->localdebug) $this->doDebug('include/datasources/TemplateSource->read()', WADebug::SYSTEM); if ($this->isValid() && $this->loaded) return $this->data; // we sinchronize // origin source is new, we recalculate all the chain if ($this->tm1 > $this->tm2) { parent::write(new WATemplate($this->originsource->read())); $this->fastobjectsource->write($this->data); } elseif ($this->tm2 > $this->timestamp) { parent::write($this->fastobjectsource->read()); } $this->loaded = true; return $this->data; } // destroy anything public function unlink() { if (self::$debug || $this->localdebug) $this->doDebug('include/datasource/TemplateSource->unlink()', WADebug::SYSTEM); $this->originsource->unlink(); $this->fastobjectsource->unlink(); parent::unlink(); } } ?>