/*
 * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
 * <p>
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl.html
 * <p>
 * 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 top.continew.starter.messaging.websocket.dao;

import org.springframework.web.socket.WebSocketSession;

import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

/**
 * WebSocket 会话 DAO 默认实现
 *
 * @author Charles7c
 * @since 2.1.0
 */
public class WebSocketSessionDaoDefaultImpl implements WebSocketSessionDao {

    private static final Map<String, WebSocketSession> SESSION_MAP = new ConcurrentHashMap<>();

    @Override
    public void add(String key, WebSocketSession session) {
        SESSION_MAP.put(key, session);
    }

    @Override
    public void delete(String key) {
        SESSION_MAP.remove(key);
    }

    @Override
    public WebSocketSession get(String key) {
        return SESSION_MAP.get(key);
    }

    @Override
    public Collection<WebSocketSession> listAll() {
        return SESSION_MAP.values();
    }

    @Override
    public Set<String> listAllSessionIds() {
        return SESSION_MAP.keySet();
    }
}
