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.
   */
  
  <@pp.dropOutputFile />
  <@pp.changeOutputFile name="/org/apache/arrow/vector/complex/impl/AbstractFieldReader.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")
  abstract class AbstractFieldReader extends AbstractBaseReader implements FieldReader{
  
    AbstractFieldReader(){
      super();
    }
  
    /**
     * Returns true if the current value of the reader is not null
     * @return whether the current value is set
     */
    public boolean isSet() {
      return true;
    }
  
    @Override
    public Field getField() {
      fail("getField");
      return null;
    }
  
    <#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) {
      fail("read${safeType}(int arrayIndex)");
      return null;
    }
  
    public ${friendlyType} read${safeType}() {
      fail("read${safeType}()");
      return null;
    }
  
    </#list>
    public void copyAsValue(StructWriter writer) {
      fail("CopyAsValue StructWriter");
    }
  
    public void copyAsField(String name, StructWriter writer) {
      fail("CopyAsField StructWriter");
    }
  
    public void copyAsField(String name, ListWriter writer) {
      fail("CopyAsFieldList");
    }
  
    public void copyAsField(String name, MapWriter writer) {
      fail("CopyAsFieldMap");
    }
  
    <#list vv.types as type><#list type.minor as minor><#assign name = minor.class?cap_first />
    <#assign boxedType = (minor.boxedType!type.boxedType) />
    public void read(${name}Holder holder) {
      fail("${name}");
    }
  
    public void read(Nullable${name}Holder holder) {
      fail("${name}");
    }
  
    public void read(int arrayIndex, ${name}Holder holder) {
      fail("Repeated${name}");
    }
  
    public void read(int arrayIndex, Nullable${name}Holder holder) {
      fail("Repeated${name}");
    }
  
    public void copyAsValue(${name}Writer writer) {
      fail("CopyAsValue${name}");
    }
  
    public void copyAsField(String name, ${name}Writer writer) {
      fail("CopyAsField${name}");
    }
  
    </#list></#list>
  
    public void copyAsValue(StructWriter writer, ExtensionTypeWriterFactory writerFactory) {
      fail("CopyAsValue StructWriter");
    }
  
    public void read(ExtensionHolder holder) {
      fail("Extension");
    }
  
    public void read(int arrayIndex, ExtensionHolder holder) {
      fail("RepeatedExtension");
    }
  
    public void copyAsValue(AbstractExtensionTypeWriter writer) {
      fail("CopyAsValueExtension");
    }
  
    public void copyAsField(String name, AbstractExtensionTypeWriter writer) {
      fail("CopyAsFieldExtension");
    }
  
    public FieldReader reader(String name) {
      fail("reader(String name)");
      return null;
    }
  
    public FieldReader reader() {
      fail("reader()");
      return null;
    }
  
    public int size() {
      fail("size()");
      return -1;
    }
  
    private void fail(String name) {
      throw new IllegalArgumentException(String.format("You tried to read a [%s] type when you are using a field reader of type [%s].", name, this.getClass().getSimpleName()));
    }
  }
  