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.asterix.external.ipc;
  
  public enum MessageType {
      HELO,
      QUIT,
      INIT,
      INIT_RSP,
      CALL,
      CALL_RSP,
      ERROR;
  
      static MessageType[] messageTypes;
      static {
          messageTypes = values();
      }
  
      public static MessageType fromByte(byte b) {
          if (b > messageTypes.length - 1) {
              return null;
          }
          return messageTypes[b];
      }
  }
  