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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\CLDR;
/**
* An abstract collection.
*/
abstract class AbstractCollection implements \ArrayAccess
{
use CollectionTrait;
/**
* Instances.
*
* @var array
*/
private $collection = [];
/**
* @var callable
*/
private $create_instance;
/**
* Initializes the {@link $locale} property.
*
* @param callable $create_instance
*/
public function __construct(callable $create_instance)
{
$this->create_instance = $create_instance;
}
/**
* @inheritdoc
*
* @throws \BadMethodCallException
*/
public function offsetExists($id)
{
throw new \BadMethodCallException("The method is not implemented");
}
/**
* @inheritdoc
*
* @return Calendar
*/
public function offsetGet($id)
{
if (empty($this->collection[$id]))
{
$this->collection[$id] = call_user_func($this->create_instance, $id);
}
return $this->collection[$id];
}
}