public function setEventStateObject(AbstractEvent $state, $morph = true)
{
if (!$state instanceof AbstractEvent) {
throw new Exception\InvalidArgumentException('AbstractEvent->setStateObject: ' . 'state not instance of AbstractEvent');
} else {
if ($morph) {
$this->tags->clear();
$this->categories->clear();
$this->target = null;
$this->data = null;
$this->class = '';
$this->function = '';
$this->namespace = '';
}
$this->identifier = $state->getIdentifier();
$this->{$field} = new Types\Set(Types\Set::union($state->getTags(), $this->{$field}), array('strict' => true));
$this->categories = new Types\Set(Types\Set::union($state->getCategories(), $this->{$field}), array('strict' => true));
$this->target = $state->getTarget();
$this->data = $state->getData();
$this->class = $state->getClass();
$this->function = $state->getFunction();
$this->namespace = $state->getNamespace();
}
}
