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   * 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.distributed.test;
  
  import org.junit.Test;
  
  import com.datastax.driver.core.PreparedStatement;
  import com.datastax.driver.core.Session;
  import org.apache.cassandra.cql3.QueryProcessor;
  import org.apache.cassandra.distributed.api.ICluster;
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NATIVE_PROTOCOL;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  
  public class ReprepareOldBehaviourTest extends ReprepareTestBase
  {
      @Test
      public void testReprepareMixedVersion() throws Throwable
      {
          testReprepare(PrepareBehaviour::oldBehaviour,
                        cfg(true, true),
                        cfg(false, false));
      }
  
      @Test
      public void testReprepareTwoKeyspacesMixedVersion() throws Throwable
      {
          testReprepareTwoKeyspaces(PrepareBehaviour::oldBehaviour);
      }
  
      @Test
      public void testReprepareUsingOldBehavior() throws Throwable
      {
          // fork of testReprepareMixedVersionWithoutReset, but makes sure oldBehavior has a clean state
          try (ICluster<IInvokableInstance> c = init(builder().withNodes(2)
                                                              .withConfig(config -> config.with(GOSSIP, NETWORK, NATIVE_PROTOCOL))
                                                              .withInstanceInitializer(PrepareBehaviour::oldBehaviour)
                                                              .start()))
          {
              ForceHostLoadBalancingPolicy lbp = new ForceHostLoadBalancingPolicy();
              c.schemaChange(withKeyspace("CREATE TABLE %s.tbl (pk int, ck int, v int, PRIMARY KEY (pk, ck));"));
  
              try (com.datastax.driver.core.Cluster cluster = com.datastax.driver.core.Cluster.builder()
                                                                                              .addContactPoint("127.0.0.1")
                                                                                              .addContactPoint("127.0.0.2")
                                                                                              .withLoadBalancingPolicy(lbp)
                                                                                              .build();
                   Session session = cluster.connect())
              {
                  session.execute(withKeyspace("USE %s"));
  
                  lbp.setPrimary(2);
                  final PreparedStatement select = session.prepare(withKeyspace("SELECT * FROM %s.tbl"));
                  session.execute(select.bind());
  
                  lbp.setPrimary(1);
                  session.execute(select.bind());
              }
          }
      }
  
      @Test
      public void testReprepareMixedVersionWithoutReset() throws Throwable
      {
          try (ICluster<IInvokableInstance> c = init(builder().withNodes(2)
                                                              .withConfig(config -> config.with(GOSSIP, NETWORK, NATIVE_PROTOCOL))
                                                              .withInstanceInitializer(PrepareBehaviour::oldBehaviour)
                                                              .start()))
          {
              ForceHostLoadBalancingPolicy lbp = new ForceHostLoadBalancingPolicy();
              c.schemaChange(withKeyspace("CREATE TABLE %s.tbl (pk int, ck int, v int, PRIMARY KEY (pk, ck));"));
  
              // 1 has old behaviour
              for (int firstContact : new int[]{ 1, 2 })
              {
                  for (boolean withUse : new boolean[]{ true, false })
                  {
                      for (boolean clearBetweenExecutions : new boolean[]{ true, false })
                      {
                          try (com.datastax.driver.core.Cluster cluster = com.datastax.driver.core.Cluster.builder()
                                                                                                          .addContactPoint("127.0.0.1")
                                                                                                          .addContactPoint("127.0.0.2")
                                                                                                          .withLoadBalancingPolicy(lbp)
                                                                                                          .build();
                               Session session = cluster.connect())
                          {
                              if (withUse)
                                  session.execute(withKeyspace("USE %s"));
  
                              lbp.setPrimary(firstContact);
                              final PreparedStatement select = session.prepare(withKeyspace("SELECT * FROM %s.tbl"));
                              session.execute(select.bind());
  
                              if (clearBetweenExecutions)
                                  c.get(2).runOnInstance(QueryProcessor::clearPreparedStatementsCache);
                              lbp.setPrimary(firstContact == 1 ? 2 : 1);
                              session.execute(select.bind());
  
                              if (clearBetweenExecutions)
                                  c.get(2).runOnInstance(QueryProcessor::clearPreparedStatementsCache);
                              lbp.setPrimary(firstContact);
                              session.execute(select.bind());
  
                              c.get(2).runOnInstance(QueryProcessor::clearPreparedStatementsCache);
                          }
                      }
                  }
              }
          }
      }
  }