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.carbondata.core.metadata;
  
  public enum ColumnarFormatVersion {
    V1((short)1),  // deprecated
    V2((short)2),  // deprecated
    V3((short)3);
  
    private short version;
    ColumnarFormatVersion(short version) {
      this.version = version;
    }
  
    @Override
    public String toString() {
      return "ColumnarFormatV" + version;
    }
  
    public short number() {
      return version;
    }
  
    public static ColumnarFormatVersion valueOf(short version) {
      switch (version) {
        case 0:
          // before multiple reader support, for existing carbon file, it is version 1
          return V1;
        case 1:
          // after multiple reader support, user can write new file with version 1
          return V1;
        case 2:
          return V2;
        case 3:
          return V3;
        default:
          throw new UnsupportedOperationException("Unsupported columnar format version: " + version);
      }
    }
  }
  