content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master;
  
  import alluxio.grpc.TtlAction;
  import alluxio.proto.journal.File.PTtlAction;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Utility methods for conversion between wire types and protobuf types.
   */
  @ThreadSafe
  public final class ProtobufUtils {
  
    private ProtobufUtils() {} // prevent instantiation
  
    /**
     * Converts Protobuf type to Wire type.
     *
     * @param pTtlAction {@link PTtlAction}
     * @return {@link TtlAction} equivalent
     */
    public static TtlAction fromProtobuf(PTtlAction pTtlAction) {
      if (pTtlAction == null) {
        return TtlAction.DELETE_ALLUXIO;
      }
      switch (pTtlAction) {
        case DELETE_ALLUXIO:
          return TtlAction.DELETE_ALLUXIO;
        case DELETE:
          return TtlAction.DELETE;
        case FREE:
          return TtlAction.FREE;
        default:
          throw new IllegalStateException("Unknown protobuf ttl action: " + pTtlAction);
      }
    }
  
    /**
     * Converts Wire type to Protobuf type.
     *
     * @param ttlAction {@link PTtlAction}
     * @return {@link TtlAction} equivalent
     */
    public static PTtlAction toProtobuf(TtlAction ttlAction) {
      if (ttlAction == null) {
        return PTtlAction.DELETE_ALLUXIO;
      }
      switch (ttlAction) {
        case DELETE_ALLUXIO:
          return PTtlAction.DELETE_ALLUXIO;
        case DELETE:
          return PTtlAction.DELETE;
        case FREE:
          return PTtlAction.FREE;
        default:
          throw new IllegalStateException("Unknown ttl action: " + ttlAction);
      }
    }
  }
  