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.tcm.transformations;
  
  import java.util.Set;
  
  import org.apache.cassandra.dht.Token;
  import org.apache.cassandra.tcm.ClusterMetadata;
  import org.apache.cassandra.tcm.ClusterMetadataService;
  import org.apache.cassandra.tcm.membership.NodeId;
  import org.apache.cassandra.tcm.ownership.DataPlacements;
  import org.apache.cassandra.tcm.ownership.PlacementProvider;
  import org.apache.cassandra.tcm.ownership.PlacementTransitionPlan;
  import org.apache.cassandra.tcm.sequences.BootstrapAndJoin;
  import org.apache.cassandra.tcm.sequences.LockedRanges;
  
  public class UnsafeJoin extends PrepareJoin
  {
      public static final Serializer<UnsafeJoin> serializer = new Serializer<UnsafeJoin>()
      {
          public UnsafeJoin construct(NodeId nodeId, Set<Token> tokens, PlacementProvider placementProvider, boolean joinTokenRing, boolean streamData)
          {
              assert joinTokenRing;
              assert !streamData;
              return new UnsafeJoin(nodeId, tokens, placementProvider);
          }
      };
  
      public UnsafeJoin(NodeId nodeId, Set<Token> tokens, PlacementProvider placementProvider)
      {
          super(nodeId, tokens, placementProvider, true, false);
      }
  
      @Override
      public String toString()
      {
          return "UnsafeJoin{" +
                 "nodeId=" + nodeId +
                 ", tokens=" + tokens +
                 ", joinTokenRing=" + joinTokenRing +
                 ", streamData=" + streamData +
                 "}";
      }
  
      @Override
      public Kind kind()
      {
          return Kind.UNSAFE_JOIN;
      }
  
      @Override
      public Result execute(ClusterMetadata prev)
      {
          Result result = super.execute(prev);
          if (result.isRejected())
              return result;
  
          ClusterMetadata metadata = result.success().metadata.forceEpoch(prev.epoch);
          BootstrapAndJoin plan = (BootstrapAndJoin) metadata.inProgressSequences.get(nodeId());
          Result res = plan.applyTo(metadata);
          metadata = res.success().metadata;
          assert metadata.epoch.isDirectlyAfter(prev.epoch);
          return new Success(metadata, LockedRanges.AffectedRanges.EMPTY, res.success().affectedMetadata);
      }
  
      public static void unsafeJoin(NodeId nodeId, Set<Token> tokens)
      {
          UnsafeJoin join = new UnsafeJoin(nodeId, tokens, ClusterMetadataService.instance().placementProvider());
          ClusterMetadataService.instance().commit(join);
      }
  
      @Override
      void assertPreExistingWriteReplica(DataPlacements placements, PlacementTransitionPlan transitionPlan) {}
  }
  