content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.bifromq.sessiondict.server;
  
  import java.util.Optional;
  import org.apache.bifromq.sessiondict.rpc.proto.ServerRedirection;
  import org.apache.bifromq.type.ClientInfo;
  
  /**
   * Registry for MQTT Sessions.
   */
  interface ISessionRegistry {
      void add(ClientInfo sessionOwner, ISessionRegister register);
  
      void remove(ClientInfo sessionOwner, ISessionRegister register);
  
      Optional<ClientInfo> get(String tenantId, String userId, String mqttClientId);
  
      Optional<SessionRegistration> findRegistration(String tenantId, String userId, String mqttClientId);
  
      Iterable<SessionRegistration> findRegistrations(String tenantId, String userId);
  
      Iterable<SessionRegistration> findRegistrations(String tenantId);
  
      void close();
  
      record SessionRegistration(ClientInfo sessionOwner, ISessionRegister register) {
          void stop(ClientInfo kicker, ServerRedirection serverRedirection) {
              register.kick(sessionOwner.getTenantId(), sessionOwner, kicker, serverRedirection);
          }
      }
  }
  