PEIP\Handler\CallableHandler

Complexity

Total Complexity

4

Size/Duplication

Total Lines	55
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	5
Bugs	4	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	handle()	0	4	1
A	__invoke()	0	4	1
A	getCallable()	0	4	1

<?php

namespace PEIP\Handler;

/*
 * This file is part of the PEIP package.
 * (c) 2009-2016 Timo Michna <timomichna/yahoo.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * CallableHandler
 * Class to wrap a PHP callable in a handler.
 *
 * @author Timo Michna <timomichna/yahoo.de>
 * @implements \PEIP\INF\Handler\Handler
 */
class CallableHandler implements \PEIP\INF\Handler\Handler
{
    protected $callable;

    /**
     * constructor.
     *
     * @param callable $callable the callable to wrap with the handler
     *
     * @return
     */
    public function __construct($callable)
    {
        $this->callable = $callable;
    }

    /**
     * Handles a subject by calling the wrapped callable with the subject as argument.
     *
     * @implements \PEIP\INF\Handler\Handler
     *
     * @param mixed $subject the subject to handle
     *
     * @return mixed result of calling the registered callable with given subject
     */
    public function handle($subject)
    {
        return call_user_func($this->callable, $subject);
    }

    /**
     * Allows the handler instance to act as a lambda function.
     * Delegates to own 'handle' method.
     *
     * @param mixed $subject the subject to handle
     *
     * @return mixed result of calling the registered callable with given subject
     *
     * @see CallableHandler::handle
     */
    public function __invoke($subject)
    {
        return $this->handle($subject);
    }

    /**
     * Returns the callable wrapped by the handler instance.
     *
     * @return callable callable wrapped by the handler
     */
    public function getCallable()
    {
        return $this->callable;
    }
}