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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** 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 2 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* A class for creating a storing instances of global objects.
*/
class CRegistryFactory {
/**
* Array of defined objects. Each object can be defined either using the name of its class, or a closure that
* returns an instance of the object.
*
* @var array
*/
protected $objects = [];
/**
* An array of created object instances.
*
* @var array
*/
protected $instances = [];
/**
* @param array $objects array of defined objects
*/
public function __construct(array $objects = []) {
$this->objects = $objects;
}
/**
* Creates and returns an instance of the given object.
*
* @param $object
*
* @return object
*/
public function getObject($object) {
if (!isset($this->instances[$object])) {
$definition = $this->objects[$object];
$this->instances[$object] = ($definition instanceof Closure) ? $definition() : new $definition();
}
return $this->instances[$object];
}
/**
* Returns true if the given object is defined in the factory.
*
* @param string $object
*
* @return bool
*/
public function hasObject($object) {
return isset($this->objects[$object]);
}
}
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