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.stress.settings;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  
  import com.google.common.base.Function;
  
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.schema.CompactionParams;
  
  /**
   * For specifying replication options
   */
  class OptionCompaction extends OptionMulti
  {
  
      private final OptionSimple strategy = new OptionSimple("strategy=", new StrategyAdapter(), null, "The compaction strategy to use", false);
  
      public OptionCompaction()
      {
          super("compaction", "Define the compaction strategy and any parameters", true);
      }
  
      public String getStrategy()
      {
          return strategy.value();
      }
  
      public Map<String, String> getOptions()
      {
          return extraOptions();
      }
  
      protected List<? extends Option> options()
      {
          return Arrays.asList(strategy);
      }
  
      @Override
      public boolean happy()
      {
          return true;
      }
  
      private static final class StrategyAdapter implements Function<String, String>
      {
  
          public String apply(String name)
          {
              try
              {
                  CompactionParams.classFromName(name);
              }
              catch (ConfigurationException e)
              {
                  throw new IllegalArgumentException("Invalid compaction strategy: " + name);
              }
              return name;
          }
      }
  
  }
  