Moved cache drivers outside core to extensions (plugins)

plugins/cache-redis/Predis/Profile/RedisProfile.php

@@ -0,0 +1,146 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Profile;
+
+use Predis\ClientException;
+use Predis\Command\Processor\ProcessorInterface;
+
+/**
+ * Base class implementing common functionalities for Redis server profiles.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+abstract class RedisProfile implements ProfileInterface
+{
+    private $commands;
+    private $processor;
+
+    /**
+     *
+     */
+    public function __construct()
+    {
+        $this->commands = $this->getSupportedCommands();
+    }
+
+    /**
+     * Returns a map of all the commands supported by the profile and their
+     * actual PHP classes.
+     *
+     * @return array
+     */
+    abstract protected function getSupportedCommands();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsCommand($commandID)
+    {
+        return isset($this->commands[strtoupper($commandID)]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsCommands(array $commandIDs)
+    {
+        foreach ($commandIDs as $commandID) {
+            if (!$this->supportsCommand($commandID)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Returns the fully-qualified name of a class representing the specified
+     * command ID registered in the current server profile.
+     *
+     * @param string $commandID Command ID.
+     *
+     * @return string|null
+     */
+    public function getCommandClass($commandID)
+    {
+        if (isset($this->commands[$commandID = strtoupper($commandID)])) {
+            return $this->commands[$commandID];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createCommand($commandID, array $arguments = array())
+    {
+        $commandID = strtoupper($commandID);
+
+        if (!isset($this->commands[$commandID])) {
+            throw new ClientException("Command '$commandID' is not a registered Redis command.");
+        }
+
+        $commandClass = $this->commands[$commandID];
+        $command = new $commandClass();
+        $command->setArguments($arguments);
+
+        if (isset($this->processor)) {
+            $this->processor->process($command);
+        }
+
+        return $command;
+    }
+
+    /**
+     * Defines a new command in the server profile.
+     *
+     * @param string $commandID Command ID.
+     * @param string $class     Fully-qualified name of a Predis\Command\CommandInterface.
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function defineCommand($commandID, $class)
+    {
+        $reflection = new \ReflectionClass($class);
+
+        if (!$reflection->isSubclassOf('Predis\Command\CommandInterface')) {
+            throw new \InvalidArgumentException("The class '$class' is not a valid command class.");
+        }
+
+        $this->commands[strtoupper($commandID)] = $class;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setProcessor(ProcessorInterface $processor = null)
+    {
+        $this->processor = $processor;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getProcessor()
+    {
+        return $this->processor;
+    }
+
+    /**
+     * Returns the version of server profile as its string representation.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->getVersion();
+    }
+}