95 lines
2.6 KiB
PHP
95 lines
2.6 KiB
PHP
<?php
|
|
|
|
/**
|
|
* 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; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* 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.
|
|
*
|
|
* Copyright (c) 2020 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
|
|
*
|
|
* @license GPLv2
|
|
*/
|
|
|
|
namespace oat\generis\persistence\sql;
|
|
|
|
use Doctrine\DBAL\Schema\Schema;
|
|
use \IteratorAggregate;
|
|
use ArrayIterator;
|
|
use \common_exception_InconsistentData;
|
|
|
|
/**
|
|
* A collection of multiple schemas, in order to accomodate for the possibility
|
|
* of multiple RDS databases with different schemas
|
|
*/
|
|
class SchemaCollection implements IteratorAggregate
|
|
{
|
|
/**
|
|
* Schemas as they were originally added, prior to modifications
|
|
* @var Schema[]
|
|
*/
|
|
private $originals;
|
|
|
|
/**
|
|
* Schemas per database, might have been modified
|
|
* @var Schema[]
|
|
*/
|
|
private $schemas;
|
|
|
|
/**
|
|
* Add a schema to the collection
|
|
* @param string $id
|
|
* @param Schema $schema
|
|
*/
|
|
public function addSchema($id, Schema $schema) : void
|
|
{
|
|
$this->originals[$id] = clone $schema;
|
|
$this->schemas[$id] = $schema;
|
|
}
|
|
|
|
/**
|
|
* Get a schema as it was when it was added
|
|
* @param string $id
|
|
* @throws common_exception_InconsistentData
|
|
*/
|
|
public function getOriginalSchema($id) : Schema
|
|
{
|
|
if (!isset($this->originals[$id])) {
|
|
throw new common_exception_InconsistentData('Expected original schema '.$id.' not found');
|
|
}
|
|
return $this->originals[$id];
|
|
}
|
|
|
|
/**
|
|
* Get a schema in its current form, might have been changed
|
|
* @param string $id
|
|
* @throws common_exception_InconsistentData
|
|
* @return Schema
|
|
*/
|
|
public function getSchema($id) : Schema
|
|
{
|
|
if (!isset($this->schemas[$id])) {
|
|
throw new common_exception_InconsistentData('Expected schema '.$id.' not found');
|
|
}
|
|
return $this->schemas[$id];
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
* @see IteratorAggregate::getIterator()
|
|
*/
|
|
public function getIterator()
|
|
{
|
|
return new ArrayIterator($this->schemas);
|
|
}
|
|
}
|