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.
   */
  
  import org.apache.arrow.vector.types.pojo.ArrowType.Null;
  import org.apache.arrow.vector.types.pojo.Field;
  
  <@pp.dropOutputFile />
  <@pp.changeOutputFile name="/org/apache/arrow/vector/complex/impl/NullReader.java" />
  
  
  <#include "/@includes/license.ftl" />
  
  package org.apache.arrow.vector.complex.impl;
  
  <#include "/@includes/vv_imports.ftl" />
  
  /**
   * Source code generated using FreeMarker template ${.template_name}
   */
  @SuppressWarnings("unused")
  public class NullReader extends AbstractBaseReader implements FieldReader{
  
    public static final NullReader INSTANCE = new NullReader();
    public static final NullReader EMPTY_LIST_INSTANCE = new NullReader(MinorType.NULL);
    public static final NullReader EMPTY_STRUCT_INSTANCE = new NullReader(MinorType.STRUCT);
    private MinorType type;
  
    private NullReader(){
      super();
      type = MinorType.NULL;
    }
  
    private NullReader(MinorType type){
      super();
      this.type = type;
    }
  
    @Override
    public MinorType getMinorType() {
      return type;
    }
  
    @Override
    public Field getField() {
      return new Field("", FieldType.nullable(new Null()), null);
    }
  
    public void copyAsValue(StructWriter writer) {}
  
    public void copyAsValue(ListWriter writer) {}
  
    public void copyAsValue(UnionWriter writer) {}
  
    <#list vv.types as type><#list type.minor as minor><#assign name = minor.class?cap_first />
    public void read(${name}Holder holder){
      throw new UnsupportedOperationException("NullReader cannot write into non-nullable holder");
    }
  
    public void read(Nullable${name}Holder holder){
      holder.isSet = 0;
    }
  
    public void read(int arrayIndex, ${name}Holder holder){
      throw new ArrayIndexOutOfBoundsException();
    }
  
    public void copyAsValue(${minor.class}Writer writer){}
    public void copyAsField(String name, ${minor.class}Writer writer){}
  
    public void read(int arrayIndex, Nullable${name}Holder holder){
      throw new ArrayIndexOutOfBoundsException();
    }
    </#list></#list>
  
    public void copyAsValue(StructWriter writer, ExtensionTypeWriterFactory writerFactory){}
    public void read(ExtensionHolder holder) {
      holder.isSet = 0;
    }
  
    public int size(){
      return 0;
    }
  
    public boolean isSet(){
      return false;
    }
  
    public boolean next(){
      return false;
    }
  
    public RepeatedStructReader struct(){
      return this;
    }
  
    public RepeatedListReader list(){
      return this;
    }
  
    public StructReader struct(String name){
      return this;
    }
  
    public ListReader list(String name){
      return this;
    }
  
    public FieldReader reader(String name){
      return this;
    }
  
    public FieldReader reader(){
      return this;
    }
  
    private void fail(String name){
      throw new IllegalArgumentException(String.format("You tried to read a %s type when you are using a ValueReader of type %s.", name, this.getClass().getSimpleName()));
    }
  
    <#list ["Object", "BigDecimal", "Short", "Integer", "Long", "Boolean",
            "LocalDateTime", "Duration", "Period", "Double", "Float",
            "Character", "Text", "String", "Byte", "byte[]", "PeriodDuration"] as friendlyType>
    <#assign safeType=friendlyType />
    <#if safeType=="byte[]"><#assign safeType="ByteArray" /></#if>
  
    public ${friendlyType} read${safeType}(int arrayIndex){
      return null;
    }
  
    public ${friendlyType} read${safeType}(){
      return null;
    }
    </#list>
  
  }
  