Safely get Id from Hibernate Lazy Object

HibernateLazyIdUtil

import org.hibernate.proxy.HibernateProxy;
import org.hibernate.proxy.LazyInitializer;
 
import com.ngr.api.model.BaseModel;
 
/**
 * 
 * public interface BaseModel<T> { 
 * 		public T getId(); 
 * }
 * 
 * @author Greg
 *
 */
public class HibernateUtil {
 
	@SuppressWarnings("unchecked")
	public static <T> T getIdFromLazyObject(BaseModel<T> entity) {
 
		if (entity == null) {
			return null;
		}
 
		if (entity instanceof HibernateProxy) {
			LazyInitializer lazyInitializer = ((HibernateProxy) entity).getHibernateLazyInitializer();
			if (lazyInitializer.isUninitialized()) {
				return (T) lazyInitializer.getIdentifier();
			}
		}
 
		return entity.getId();
	}
 
}