package org.domain.myProject.session;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.domain.myProject.entity.User;
import org.domain.myProject.session.local.SaveUserLocal;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Logger;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Out;
import org.jboss.seam.faces.FacesMessages;
import org.jboss.seam.log.Log;

@Stateless
@Name("saveUser")
public class SaveUserAction implements SaveUserLocal {

	@Logger
	private Log log;
	
	@In
	FacesMessages facesMessages;

	@PersistenceContext
	private EntityManager em;
	
	/* We have an '@Out' on this to push back user (after any modifications we make
	 * in our bean here) onto the page.  Since we're nullifying user in our save method, 
	 * we need to state that it's not required to have any value.
	 */  
	@In @Out(required=false)
	private User user;

	public void saveUser() {
		//Simple persisting with the EntityManager
		em.persist(user);
		
		//Note that the id of our user was generated and populated.  
		facesMessages.add("User was saved with an id of "+ user.getId());
		
		log.info(user.getName() +" was saved.");
		
		//We're nullifying user so that the page is blank after saving.
		user = null;
	}
}