cakephp3 how to check if entity is a newly inserted in afterSave callback?

问题

Whenever an entity is inserted or updated, the afterSave callback is invoked. How do I check whether the entity is a newly inserted one?

Pseudo code of what I'm trying to do inside the afterSave callback.

if newly inserted {
    dispatch event using the events system;
}

回答1:

I have got the answer. The answer is as followed:

public function afterSave(Event $event, Entity $entity, array $options) {
    if ($entity->isNew()) {
        // do whatever you need to do here.
    }
}

I hope this helps someone who's new to CakePHP 3.

Link here: http://api.cakephp.org/3.0/class-Cake.Datasource.EntityInterface.html#_isNew

来源：https://stackoverflow.com/questions/25588930/cakephp3-how-to-check-if-entity-is-a-newly-inserted-in-aftersave-callback