Added necessary cache adapters

library/.gitignore

@@ -0,0 +1,10 @@
+# ignore eclipse files
+.settings
+.buildpath
+
+# ignore third party libs
+vendor
+
+# ignore the composer lock file
+composer.lock
+

library/Bisna/Common/Cache/ArrayCache.php

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+<?php
+
+namespace Bisna\Common\Cache;
+
+use Cache\Adapter\PHPArray\ArrayCachePool;
+
+class ArrayCache extends ArrayCachePool
+{
+    private string $_namespace;
+    public function __construct(array $options)
+    {
+        $limit = $options['limit'] ?? null;
+        parent::__construct($limit);
+    }
+
+    public function setNamespace($namespace) {
+        $this->_namespace = $namespace;
+    }
+
+    public function getNamespace() {
+        return $this->_namespace;
+    }
+}

library/Bisna/Common/Cache/FilesystemCache.php

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+<?php
+
+namespace Bisna\Common\Cache;
+
+use Cache\Adapter\Filesystem\FilesystemCachePool;
+use League\Flysystem\Adapter\Local;
+use League\Flysystem\Filesystem;
+use League\Flysystem\FilesystemInterface;
+
+class FilesystemCache extends FilesystemCachePool
+{
+    private string $_namespace;
+
+    public function __construct(array $options)
+    {
+        $filesystemRoot = $options['directory'];
+        $filesystemAdapter = new Local($filesystemRoot);
+        $filesystem = new Filesystem($filesystemAdapter);
+        parent::__construct($filesystem);
+    }
+
+    public function setNamespace($namespace) {
+        $this->_namespace = $namespace;
+    }
+
+    public function getNamespace() {
+        return $this->_namespace;
+    }
+}

library/Bisna/Common/Cache/MemcacheCache.php

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+<?php
+
+namespace Bisna\Common\Cache;
+
+use Cache\Adapter\Memcached\MemcachedCachePool;
+
+class MemcacheCache extends MemcachedCachePool {
+
+    private string $_namespace;
+
+    public function __construct(array $options) {
+        $cache = new \Memcached();
+        foreach ($options['servers'] as $server) {
+            $host = $server['host'] ?? 'localhost';
+            $port = $server['port'] ?? 11211;
+            $cache->addServer($host, $port);
+        }
+        parent::__construct($cache);
+    }
+
+    public function setNamespace($namespace) {
+        $this->_namespace = $namespace;
+    }
+
+    public function getNamespace() {
+        return $this->_namespace;
+    }
+}