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 java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.cassandra.service.consensus.TransactionalMode;
  import org.apache.cassandra.service.consensus.migration.ConsensusMigrationTarget;
  import org.apache.cassandra.simulator.Action;
  import org.apache.cassandra.simulator.ActionList;
  import org.apache.cassandra.simulator.cluster.OnInstanceRepair.RepairType;
  
  import static org.apache.cassandra.simulator.Action.Modifiers.NONE;
  
  class OnClusterMigrateConsensusOneRange extends Action
  {
      private final KeyspaceActions actions;
      private final int repairOn;
      private final Map.Entry<String, String> startMigrationRange;
      private final TransactionalMode targetMode;
  
      OnClusterMigrateConsensusOneRange(KeyspaceActions actions, int repairOn, Map.Entry<String, String> startMigrationRange, TransactionalMode targetMode)
      {
          super("Performing consensus migration of range " + startMigrationRange + " to " + targetMode, NONE, NONE);
          this.actions = actions;
          this.repairOn = repairOn;
          this.startMigrationRange = startMigrationRange;
          this.targetMode = targetMode;
      }
  
      public ActionList performSimple()
      {
          List<Action> result = new ArrayList<>();
          result.add(new OnInstanceStartConsensusMigration(actions, repairOn, startMigrationRange));
          boolean migrateViaRepair = actions.random.decide(0.5f);
          String rangeString = startMigrationRange.getKey() + ":" + startMigrationRange.getValue();
          String targetString = targetMode.accordIsEnabled ? ConsensusMigrationTarget.accord.toString() : ConsensusMigrationTarget.paxos.toString();
          if (targetMode == TransactionalMode.off)
          {
              if (migrateViaRepair)
                  result.add(new OnInstanceRepair(actions, repairOn, RepairType.ACCORD_ONLY, startMigrationRange, false));
              else
                  result.add(new OnInstanceFinishConsensusMigration(actions, repairOn, rangeString, targetString));
          }
          else
          {
              if (migrateViaRepair)
              {
                  result.add(new OnInstanceRepair(actions, repairOn, RepairType.DATA_INCREMENTAL, startMigrationRange, false));
                  result.add(new OnInstanceRepair(actions, repairOn, RepairType.DATA_AND_PAXOS_FULL, startMigrationRange, false));
              }
              else
              {
                  result.add(new OnInstanceFinishConsensusMigration(actions, repairOn, rangeString, targetString));
                  result.add(new OnInstanceFinishConsensusMigration(actions, repairOn, rangeString, targetString));
              }
          }
  
          return ActionList.of(result).setStrictlySequential();
      }
  }
  