Generic DAO using Java generics! :D

GenericDao.java

/**
 * Establishes the DAO pattern for use with other classes.
 * @author Adil
 *
 */
public class GenericDao<T> {
	


	@SuppressWarnings("unchecked")
	/**
	 * Load an item by its ID (primary key).
	 * @param item Type of item 
	 * @param id The id of the item
	 * @return The item
	 */
	public T loadById(T item, Integer id) {
		
		// typecheck
		if(item instanceof Class<?>) {
		
		return (T)Shark.getDataStore().openSession().load(getType(item),id);
		}
		
		return null;
		
	}
	
	public void saveOrUpdate(T item) {
		
		Shark.getDataStore().openSession().saveOrUpdate(item);
	}
	
	public void delete(T item) {
		Shark.getDataStore().openSession().delete(item);
	}
	
	
	public Class<? extends Object> getType(T item) {
		return item.getClass();
	}

}