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.service.consensus.migration;
  
  import com.google.common.primitives.SignedBytes;
  
  import org.apache.cassandra.service.consensus.TransactionalMode;
  
  import static org.apache.cassandra.utils.LocalizeString.toLowerCaseLocalized;
  
  public enum ConsensusMigrationTarget
  {
      paxos(0),
      accord(1);
  
      public final byte value;
  
      ConsensusMigrationTarget(int value)
      {
          this.value = SignedBytes.checkedCast(value);
      }
  
      public boolean isMigratedBy(ConsensusMigrationRepairType repairType)
      {
          return this == accord ? repairType.migrationToAccordEligible() : repairType.migrationToPaxosEligible();
      }
  
      public static ConsensusMigrationTarget fromString(String targetProtocol)
      {
          return ConsensusMigrationTarget.valueOf(toLowerCaseLocalized(targetProtocol));
      }
  
      public static ConsensusMigrationTarget fromValue(byte value)
      {
          switch (value)
          {
              default:
                  throw new IllegalArgumentException(value + " is not recognized");
              case 0:
                  return paxos;
              case 1:
                  return accord;
          }
      }
  
      public static ConsensusMigrationTarget fromTransactionalMode(TransactionalMode mode)
      {
          return mode.accordIsEnabled ? accord : paxos;
      }
  }
  