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.arrow.vector.types.pojo;
  
  import org.apache.arrow.memory.BufferAllocator;
  import org.apache.arrow.vector.FieldVector;
  import org.apache.arrow.vector.FixedSizeBinaryVector;
  import org.apache.arrow.vector.UuidVector;
  import org.apache.arrow.vector.types.pojo.ArrowType.ExtensionType;
  
  public class UuidType extends ExtensionType {
  
    @Override
    public ArrowType storageType() {
      return new ArrowType.FixedSizeBinary(16);
    }
  
    @Override
    public String extensionName() {
      return "uuid";
    }
  
    @Override
    public boolean extensionEquals(ExtensionType other) {
      return other instanceof UuidType;
    }
  
    @Override
    public ArrowType deserialize(ArrowType storageType, String serializedData) {
      if (!storageType.equals(storageType())) {
        throw new UnsupportedOperationException(
            "Cannot construct UuidType from underlying type " + storageType);
      }
      return new UuidType();
    }
  
    @Override
    public String serialize() {
      return "";
    }
  
    @Override
    public FieldVector getNewVector(String name, FieldType fieldType, BufferAllocator allocator) {
      return new UuidVector(name, allocator, new FixedSizeBinaryVector(name, allocator, 16));
    }
  }
  