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.index.sasi.disk;
  
  /**
   * Object descriptor for SASIIndex files. Similar to, and based upon, the sstable descriptor.
   */
  public class Descriptor
  {
      public static final String VERSION_AA = "aa";
      public static final String VERSION_AB = "ab";
      public static final String CURRENT_VERSION = VERSION_AB;
      public static final Descriptor CURRENT = new Descriptor(CURRENT_VERSION);
  
      public static class Version
      {
          public final String version;
  
          public Version(String version)
          {
              this.version = version;
          }
  
          public String toString()
          {
              return version;
          }
      }
  
      public final Version version;
  
      public Descriptor(String v)
      {
          this.version = new Version(v);
      }
  }
  