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<?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();
}
}