/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package sample.dao;

import java.io.Serializable;


/**
 * The Interface GenericDAO.
 */
public interface GenericDAO<T extends Serializable, PK extends Serializable>
{
	   /**
		* persist
		* @param transientInstance objet to persist
		*/
	void persist(T transientInstance);


	/**
		* refresh
		* @param instance objet to refresh
		*/
	void refresh(T instance);


	/**
		* delete
		* @param persistentInstance objet to delete
		*/
	void delete(T persistentInstance);


	/**
		* merge
		* @param detachedInstance objet to merge
		* @return merged object
		*/
	T merge(T detachedInstance);


	/**
		* read
		* @param id of object to read
		* @return read object
		*/
	T read(PK id);
}