- Move constants to the "Cache" class (more transparent than inside the interface)

src/Core/Cache/AbstractCache.php

@@ -1,105 +0,0 @@
-<?php
-
-namespace Friendica\Core\Cache;
-
-/**
- * Abstract class for common used functions
- *
- * Class AbstractCache
- *
- * @package Friendica\Core\Cache
- */
-abstract class AbstractCache implements ICache
-{
-	const TYPE_APCU      = 'apcu';
-	const TYPE_ARRAY     = 'array';
-	const TYPE_DATABASE  = 'database';
-	const TYPE_MEMCACHE  = 'memcache';
-	const TYPE_MEMCACHED = 'memcached';
-	const TYPE_REDIS     = 'redis';
-
-	/**
-	 * Force each Cache implementation to define the ToString method
-	 *
-	 * @return string
-	 */
-	abstract function __toString();
-
-	/**
-	 * @var string The hostname
-	 */
-	private $hostName;
-
-	public function __construct(string $hostName)
-	{
-		$this->hostName = $hostName;
-	}
-
-	/**
-	 * Returns the prefix (to avoid namespace conflicts)
-	 *
-	 * @return string
-	 * @throws \Exception
-	 */
-	protected function getPrefix()
-	{
-		// We fetch with the hostname as key to avoid problems with other applications
-		return $this->hostName;
-	}
-
-	/**
-	 * @param string $key The original key
-	 * @return string        The cache key used for the cache
-	 * @throws \Exception
-	 */
-	protected function getCacheKey($key)
-	{
-		return $this->getPrefix() . ":" . $key;
-	}
-
-	/**
-	 * @param array $keys   A list of cached keys
-	 * @return array        A list of original keys
-	 */
-	protected function getOriginalKeys($keys)
-	{
-		if (empty($keys)) {
-			return [];
-		} else {
-			// Keys are prefixed with the node hostname, let's remove it
-			array_walk($keys, function (&$value) {
-				$value = preg_replace('/^' . $this->hostName . ':/', '', $value);
-			});
-
-			sort($keys);
-
-			return $keys;
-		}
-	}
-
-	/**
-	 * Filters the keys of an array with a given prefix
-	 * Returns the filtered keys as an new array
-	 *
-	 * @param array $array The array, which should get filtered
-	 * @param string|null $prefix The prefix (if null, all keys will get returned)
-	 *
-	 * @return array The filtered array with just the keys
-	 */
-	protected function filterArrayKeysByPrefix($array, $prefix = null)
-	{
-		if (empty($prefix)) {
-			return array_keys($array);
-		} else {
-			$result = [];
-
-			foreach (array_keys($array) as $key) {
-				if (strpos($key, $prefix) === 0) {
-					array_push($result, $key);
-				}
-			}
-
-			return $result;
-		}
-	}
-}