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A quick developing framewort for internet company

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/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * 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 org.yx.http.user;

public interface UserSession {

	byte[] getKey(String sid);

	void putKey(String sid, byte[] key, String userId, String type);

	 T getUserObject(Class clz);

	void flushSession();

	void setSession(String sessionId, SessionObject sessionObj);

	/**
	 * 更新session中的用户信息
	 * 
	 * @param sessionObj
	 *            目标用户信息
	 */
	void updateSession(SessionObject sessionObj);

	void removeSession();

	boolean isLogin(String userId, String type);

	/**
	 * @return 如果不存在，就返回null
	 */
	String getUserId();
}