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<?php
namespace EventEspresso\core\services\commands;
use EventEspresso\core\exceptions\InvalidEntityException;
/**
* Class CommandHandler
* Description
*
* @package Event Espresso
* @author Brent Christensen
* @since 4.9.1
*/
abstract class CommandHandler implements CommandHandlerInterface
{
* Verifies the Command class matches the Handler class
* by simply removing "Handler" from the Command class and then comparing.
* IF the Command Handler has been changed via CommandHandlerManager::addCommandHandler,
* or via the filter in CommandHandlerManager::getCommandHandler(),
* then this method MUST be overridden in the new Command Handler class.
* PLZ NOTE: that it also needs to return itself ($this)
* because the CommandBus utilizes method chaining.
* @param CommandInterface $command
* @return CommandHandler
* @throws InvalidEntityException
* @since 4.9.80.p
public function verify(CommandInterface $command)
$expected = str_replace('CommandHandler', 'Command', get_class($this));
if (! $command instanceof $expected) {
throw new InvalidEntityException($command, $expected);
}
return $this;
eventespresso /
event-espresso-core
