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.cassandra.simulator.cluster;
  
  import com.google.common.collect.ImmutableList;
  
  import org.apache.cassandra.distributed.api.IIsolatedExecutor;
  import org.apache.cassandra.service.StorageService;
  import org.apache.cassandra.simulator.Action;
  import org.apache.cassandra.tcm.ClusterMetadata;
  import org.apache.cassandra.tcm.ClusterMetadataService;
  import org.apache.cassandra.tcm.Epoch;
  import org.apache.cassandra.tools.RepairRunner;
  import org.apache.cassandra.tools.RepairRunner.RepairCmd;
  
  import static com.google.common.base.Preconditions.checkState;
  import static org.apache.cassandra.simulator.Action.Modifiers.NONE;
  import static org.apache.cassandra.simulator.Action.Modifiers.RELIABLE_NO_TIMEOUTS;
  
  public class OnInstanceFinishConsensusMigration extends ClusterAction
  {
      public OnInstanceFinishConsensusMigration(KeyspaceActions actions, int on, String range, String target)
      {
          super("Finish consensus migration  on " + on + " " + actions.keyspace + "." + actions.table + " " + range, modeForTarget(target), modeForTarget(target), actions, on, invokableBlockingFinishConsensusMigration(actions.keyspace, actions.table, range, target));
      }
  
      private static Action.Modifiers modeForTarget(String target)
      {
          if (target.equals("off"))
              return RELIABLE_NO_TIMEOUTS;
          return NONE;
      }
      private static IIsolatedExecutor.SerializableRunnable invokableBlockingFinishConsensusMigration(String keyspaceName, String table, String range, String target)
      {
          return () -> {
              try (RepairRunner runner = new RepairRunner(System.out, null, StorageService.instance, new RepairCmd(keyspaceName)
              {
                  @Override
                  public Integer start()
                  {
                      Epoch initialEpoch = ClusterMetadata.current().epoch;
                      Integer cmd = StorageService.instance.finishConsensusMigration(keyspaceName, ImmutableList.of(table), range, target);
                      // This isn't going to work well if there are other sources of epoch changes
                      // but just to start it addresses the issue that TCM hasn't updated on this node yet
                      if (cmd == null)
                      {
                          ClusterMetadataService.instance().fetchLogFromCMS(initialEpoch.nextEpoch());
                          cmd = StorageService.instance.finishConsensusMigration(keyspaceName, ImmutableList.of(table), range, target);
                          checkState(cmd != null);
                      }
                      return cmd;
                  }
              }))
              {
                  runner.start();
                  try
                  {
                      runner.run();
                  }
                  catch (Exception e)
                  {
                      throw new RuntimeException(e);
                  }
              }
          };
      }
  }
  