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 org.apache.cassandra.distributed.api.IInvokableInstance;
  import org.apache.cassandra.schema.Schema;
  import org.apache.cassandra.service.consensus.TransactionalMode;
  import org.apache.cassandra.simulator.Action;
  import org.apache.cassandra.simulator.ActionList;
  import org.apache.cassandra.simulator.systems.NonInterceptible;
  
  import static org.apache.cassandra.simulator.Action.Modifiers.NONE;
  import static org.apache.cassandra.simulator.systems.NonInterceptible.Permit.REQUIRED;
  
  class OnClusterConsensusMigrations extends Action
  {
      private final KeyspaceActions actions;
      private final int migrations;
  
      OnClusterConsensusMigrations(KeyspaceActions actions, int migrations)
      {
          super("Performing " + migrations + " consensus migrations", NONE, NONE);
          this.actions = actions;
          this.migrations = migrations;
      }
  
      @Override
      public ActionList performSimple()
      {
          IInvokableInstance instance1 = actions.cluster.get(1);
          String keyspace = actions.keyspace;
          String table = actions.table;
          TransactionalMode transactionalMode = TransactionalMode.valueOf(
          NonInterceptible.apply(REQUIRED, () -> instance1.unsafeCallOnThisThread(() -> Schema.instance.getTableMetadata(keyspace, table).params.transactionalMode.toString())));
  
          // Just migrate back and forth
          List<Action> result = new ArrayList<>();
          for (int i = 0; i < migrations; i++)
          {
  
              TransactionalMode targetMode = TransactionalMode.full;
              if (transactionalMode == TransactionalMode.full)
                  targetMode = TransactionalMode.off;
              result.add(new OnClusterMigrateConsensus(actions, transactionalMode, targetMode));
              transactionalMode = targetMode;
          }
  
          return ActionList.of(result).setStrictlySequential();
      }
  }
  