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.lazy;
  
  import java.util.Objects;
  
  import org.apache.asterix.om.types.ATypeTag;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public class FlatLazyVisitablePointable extends AbstractLazyVisitablePointable {
      private final ATypeTag typeTag;
  
      public FlatLazyVisitablePointable(boolean tagged, ATypeTag typeTag) {
          super(tagged);
          Objects.requireNonNull(typeTag);
          this.typeTag = typeTag;
      }
  
      @Override
      public byte getSerializedTypeTag() {
          if (isTagged()) {
              return getByteArray()[getStartOffset()];
          }
          return typeTag.serialize();
      }
  
      @Override
      public ATypeTag getTypeTag() {
          if (isTagged()) {
              return ATypeTag.VALUE_TYPE_MAPPING[getSerializedTypeTag()];
          }
          return typeTag;
      }
  
      @Override
      public <R, T> R accept(ILazyVisitablePointableVisitor<R, T> visitor, T arg) throws HyracksDataException {
          return visitor.visit(this, arg);
      }
  
      @Override
      void init(byte[] data, int offset, int length) {
          //noOp
      }
  }
  