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.repair;
  
  /**
   * Specify the degree of parallelism when calculating the merkle trees in a repair job.
   */
  public enum RepairParallelism
  {
      /**
       * One node at a time
       */
      SEQUENTIAL("sequential"),
  
      /**
       * All nodes at the same time
       */
      PARALLEL("parallel"),
  
      /**
       * One node per data center at a time
       */
      DATACENTER_AWARE("dc_parallel");
  
      private final String name;
  
      /**
       * Return RepairParallelism that match given name.
       * If name is null, or does not match any, this returns default "sequential" parallelism,
       *
       * @param name name of repair parallelism
       * @return RepairParallelism that match given name
       */
      public static RepairParallelism fromName(String name)
      {
          if (PARALLEL.getName().equals(name))
              return PARALLEL;
          else if (DATACENTER_AWARE.getName().equals(name))
              return DATACENTER_AWARE;
          else
              return SEQUENTIAL;
      }
  
      private RepairParallelism(String name)
      {
          this.name = name;
      }
  
      public String getName()
      {
          return name;
      }
  
      @Override
      public String toString()
      {
          return getName();
      }
  }
  