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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Cache;
use Doctrine\ORM\Cache\Exception\CacheException;
/**
* Defines a contract for accessing a particular named region.
*/
interface Region extends MultiGetRegion
{
/**
* Retrieve the name of this region.
*
* @return string The region name
*/
public function getName();
/**
* Determine whether this region contains data for the given key.
*
* @param CacheKey $key The cache key
*
* @return bool TRUE if the underlying cache contains corresponding data; FALSE otherwise.
*/
public function contains(CacheKey $key);
/**
* Get an item from the cache.
*
* @param CacheKey $key The key of the item to be retrieved.
*
* @return CacheEntry|null The cached entry or NULL
*
* @throws CacheException Indicates a problem accessing the item or region.
*/
public function get(CacheKey $key);
/**
* Put an item into the cache.
*
* @param CacheKey $key The key under which to cache the item.
* @param CacheEntry $entry The entry to cache.
* @param Lock|null $lock The lock previously obtained.
*
* @return bool
*
* @throws CacheException Indicates a problem accessing the region.
*/
public function put(CacheKey $key, CacheEntry $entry, ?Lock $lock = null);
/**
* Remove an item from the cache.
*
* @param CacheKey $key The key under which to cache the item.
*
* @return bool
*
* @throws CacheException Indicates a problem accessing the region.
*/
public function evict(CacheKey $key);
/**
* Remove all contents of this particular cache region.
*
* @return bool
*
* @throws CacheException Indicates problem accessing the region.
*/
public function evictAll();
}
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