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.om.types;
  
  import java.lang.reflect.Array;
  
  public class EnumDeserializer<E extends Enum<E> & IEnumSerializer> {
  
      public static final EnumDeserializer<ATypeTag> ATYPETAGDESERIALIZER =
              new EnumDeserializer<ATypeTag>(ATypeTag.class);
  
      private final E[] enumvalMap;
  
      @SuppressWarnings("unchecked")
      private EnumDeserializer(Class<E> enumClass) {
          enumvalMap = (E[]) Array.newInstance(enumClass, Byte.MAX_VALUE);
          for (E constant : enumClass.getEnumConstants()) {
              enumvalMap[constant.serialize()] = constant;
          }
      }
  
      public E deserialize(byte value) {
          return enumvalMap[value];
      }
  
  }
  