<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Event;

use Magento\Framework\Event;

/**
* @api
* @since 100.0.2
*/
class Observer extends \Magento\Framework\DataObject
{
/**
* Checks the observer's event_regex against event's name
*
* @param Event $event
* @return boolean
*/
public function isValidFor(Event $event)
{
return $this->getEventName() === $event->getName();
}

/**
* Dispatches an event to observer's callback
*
* @param Event $event
* @return $this
*/
public function dispatch(Event $event)
{
if (!$this->isValidFor($event)) {
return $this;
}

$callback = $this->getCallback();
$this->setEvent($event);

$_profilerKey = 'OBSERVER: ';
if (is_object($callback[0])) {
$_profilerKey .= get_class($callback[0]);
} else {
$_profilerKey .= (string)$callback[0];
}
$_profilerKey .= ' -> ' . $callback[1];

\Magento\Framework\Profiler::start($_profilerKey);
call_user_func($callback, $this);
\Magento\Framework\Profiler::stop($_profilerKey);

return $this;
}

/**
* @return string
*/
public function getName()
{
return $this->getData('name');
}

/**
* @param string $data
* @return \Magento\Framework\DataObject
*/
public function setName($data)
{
return $this->setData('name', $data);
}

/**
* @return string
*/
public function getEventName()
{
return $this->getData('event_name');
}

/**
* @param string $data
* @return \Magento\Framework\DataObject
*/
public function setEventName($data)
{
return $this->setData('event_name', $data);
}

/**
* @return string
*/
public function getCallback()
{
return $this->getData('callback');
}

/**
* @param string $data
* @return \Magento\Framework\DataObject
*/
public function setCallback($data)
{
return $this->setData('callback', $data);
}

/**
* Get observer event object
*
* @return Event
*/
public function getEvent()
{
return $this->getData('event');
}

/**
* @param mixed $data
* @return \Magento\Framework\DataObject
*/
public function setEvent($data)
{
return $this->setData('event', $data);
}
}