content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * 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 me.ahoo.cosid.mongo;
  
  import me.ahoo.cosid.machine.InstanceId;
  import me.ahoo.cosid.machine.MachineIdLostException;
  import me.ahoo.cosid.machine.MachineState;
  
  import java.time.Duration;
  
  public interface MachineCollection {
      String COLLECTION_NAME = "cosid_machine";
      
      int nextMachineId(String namespace);
      
      MachineState distribute(String namespace, int machineBit, InstanceId instanceId);
      
      MachineState distributeByRevert(String namespace, InstanceId instanceId, Duration safeGuardDuration);
      
      MachineState distributeBySelf(String namespace, InstanceId instanceId, Duration safeGuardDuration);
      
      void revert(String namespace, InstanceId instanceId, MachineState machineState) throws MachineIdLostException;
      
      void guard(String namespace, InstanceId instanceId, MachineState machineState, Duration safeGuardDuration) throws MachineIdLostException;
  }
  