Hibernate Entitymanager remove elegantly without exception?

Is there a more elegant way of avoiding javax.persistence.EntityNotFoundException when calling EntityManager.remove() on an object that may or may not currently exist in persistent state? I am trying to avoid a situation where I need to make 2 queries to remove an object. Currently I am cheating with:

void remove(String id) {
    T model = entityManager.getReference(type, id);
开发者_运维技巧    entityManager.remove(model);
}

But this will throw an exception if the model does not exist.

I could:

void remove(String id) {
    T model = retrieve(id);
    if(model != null)
        entityManager.remove(model);
}

But that would involve 2 queries (setting aside the notion of a cache for now).

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The only possibility is to use a Query with a DELETE and a WHERE clause. Works fine, EXCEPT that JPA will not call any @PreDelete or @PostDelete operations on the object to delete. I assume you don't want that anyway, so go with the Query. If you want to call the listeners, the object (obviously) has to be loaded prior deletion.

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You can do a select count(*) from ENTITY where id = :id before remove you entity and then check if the entity exists in database. So you can remove without exception. If you are using a generic DAO with common methods like find(), persist(), remove()... you can add the count(*) query in remove() method.

Hope it helps.