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File Content: `GenericEvent.php`

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\EventDispatcher;

/**
 * Event encapsulation class.
 *
 * Encapsulates events thus decoupling the observer from the subject they encapsulate.
 *
 * @author Drak <drak@zikula.org>
 */
class GenericEvent extends Event implements \ArrayAccess, \IteratorAggregate
{
    protected $subject;
    protected $arguments;

    /**
     * Encapsulate an event with $subject and $args.
     *
     * @param mixed $subject   The subject of the event, usually an object or a callable
     * @param array $arguments Arguments to store in the event
     */
    public function __construct($subject = null, array $arguments = array())
    {
        $this->subject = $subject;
        $this->arguments = $arguments;
    }

    /**
     * Getter for subject property.
     *
     * @return mixed The observer subject
     */
    public function getSubject()
    {
        return $this->subject;
    }

    /**
     * Get argument by key.
     *
     * @param string $key Key
     *
     * @return mixed Contents of array key
     *
     * @throws \InvalidArgumentException if key is not found
     */
    public function getArgument($key)
    {
        if ($this->hasArgument($key)) {
            return $this->arguments[$key];
        }

        throw new \InvalidArgumentException(sprintf('Argument "%s" not found.', $key));
    }

    /**
     * Add argument to event.
     *
     * @param string $key   Argument name
     * @param mixed  $value Value
     *
     * @return $this
     */
    public function setArgument($key, $value)
    {
        $this->arguments[$key] = $value;

        return $this;
    }

    /**
     * Getter for all arguments.
     *
     * @return array
     */
    public function getArguments()
    {
        return $this->arguments;
    }

    /**
     * Set args property.
     *
     * @param array $args Arguments
     *
     * @return $this
     */
    public function setArguments(array $args = array())
    {
        $this->arguments = $args;

        return $this;
    }

    /**
     * Has argument.
     *
     * @param string $key Key of arguments array
     *
     * @return bool
     */
    public function hasArgument($key)
    {
        return array_key_exists($key, $this->arguments);
    }

    /**
     * ArrayAccess for argument getter.
     *
     * @param string $key Array key
     *
     * @return mixed
     *
     * @throws \InvalidArgumentException if key does not exist in $this->args
     */
    public function offsetGet($key)
    {
        return $this->getArgument($key);
    }

    /**
     * ArrayAccess for argument setter.
     *
     * @param string $key   Array key to set
     * @param mixed  $value Value
     */
    public function offsetSet($key, $value)
    {
        $this->setArgument($key, $value);
    }

    /**
     * ArrayAccess for unset argument.
     *
     * @param string $key Array key
     */
    public function offsetUnset($key)
    {
        if ($this->hasArgument($key)) {
            unset($this->arguments[$key]);
        }
    }

    /**
     * ArrayAccess has argument.
     *
     * @param string $key Array key
     *
     * @return bool
     */
    public function offsetExists($key)
    {
        return $this->hasArgument($key);
    }

    /**
     * IteratorAggregate for iterating over the object like an array.
     *
     * @return \ArrayIterator
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->arguments);
    }
}

Name	Size	Permission
Debug	---	0755
DependencyInjection	---	0755
CHANGELOG.md	696 bytes	0644
ContainerAwareEventDispatcher.php	6063 bytes	0644
Event.php	3492 bytes	0644
EventDispatcher.php	5915 bytes	0644
EventDispatcherInterface.php	2760 bytes	0644
EventSubscriberInterface.php	1552 bytes	0644
GenericEvent.php	3707 bytes	0644
ImmutableEventDispatcher.php	2174 bytes	0644
LICENSE	1065 bytes	0644
README.md	610 bytes	0644
composer.json	1135 bytes	0644
phpunit.xml.dist	893 bytes	0644

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