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/UnionViewWriter.java" />
  
  package org.apache.arrow.vector.complex.impl;
  
  <#include "/@includes/vv_imports.ftl" />
  import org.apache.arrow.vector.complex.writer.BaseWriter;
  import org.apache.arrow.vector.types.Types.MinorType;
  import org.apache.arrow.util.Preconditions;
  import org.apache.arrow.vector.complex.impl.NullableStructWriterFactory;
  import org.apache.arrow.vector.types.Types;
  
  <#function is_timestamp_tz type>
    <#return type?starts_with("TimeStamp") && type?ends_with("TZ")>
  </#function>
  
  /*
   * This class is generated using freemarker and the ${.template_name} template.
   */
  @SuppressWarnings("unused")
  public class UnionViewWriter extends UnionWriter {
  
    public UnionViewWriter(UnionVector vector) {
      this(vector, NullableStructWriterFactory.getNullableStructWriterFactoryInstance());
    }
  
    public UnionViewWriter(UnionVector vector, NullableStructWriterFactory nullableStructWriterFactory) {
      super(vector, nullableStructWriterFactory);
    }
  
    @Override
    public StructWriter struct() {
      data.setType(idx(), MinorType.LISTVIEW);
      getListWriter().setPosition(idx());
      return getListWriter().struct();
    }
  
    <#list vv.types as type>
      <#list type.minor as minor>
        <#assign name = minor.class?cap_first />
        <#assign fields = minor.fields!type.fields />
        <#assign uncappedName = name?uncap_first/>
        <#assign friendlyType = (minor.friendlyType!minor.boxedType!type.boxedType) />
        <#if !minor.typeParams?? || minor.class?starts_with("Decimal") || is_timestamp_tz(minor.class) || minor.class == "Duration" || minor.class == "FixedSizeBinary">
  
    private ${name}Writer ${name?uncap_first}Writer;
  
    <#if minor.class?starts_with("Decimal") || is_timestamp_tz(minor.class) || minor.class == "Duration" || minor.class == "FixedSizeBinary">
    private ${name}Writer get${name}Writer(ArrowType arrowType) {
      if (${uncappedName}Writer == null) {
        ${uncappedName}Writer = new ${name}WriterImpl(data.get${name}Vector(arrowType));
        ${uncappedName}Writer.setPosition(idx());
        writers.add(${uncappedName}Writer);
      }
      return ${uncappedName}Writer;
    }
  
    public ${name}Writer as${name}(ArrowType arrowType) {
      data.setType(idx(), MinorType.${name?upper_case});
      return get${name}Writer(arrowType);
    }
    <#else>
    private ${name}Writer get${name}Writer() {
      if (${uncappedName}Writer == null) {
        ${uncappedName}Writer = new ${name}WriterImpl(data.get${name}Vector());
        ${uncappedName}Writer.setPosition(idx());
        writers.add(${uncappedName}Writer);
      }
      return ${uncappedName}Writer;
    }
  
    public ${name}Writer as${name}() {
      data.setType(idx(), MinorType.${name?upper_case});
      return get${name}Writer();
    }
    </#if>
  
    @Override
    public void write(${name}Holder holder) {
      data.setType(idx(), MinorType.${name?upper_case});
      <#if minor.class?starts_with("Decimal")>
          ArrowType arrowType = new ArrowType.Decimal(holder.precision, holder.scale, ${name}Holder.WIDTH * 8);
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write${name}(<#list fields as field>holder.${field.name}<#if field_has_next>, </#if></#list>, arrowType);
      <#elseif is_timestamp_tz(minor.class)>
          ArrowType.Timestamp arrowTypeWithoutTz = (ArrowType.Timestamp) MinorType.${name?upper_case?remove_ending("TZ")}.getType();
      ArrowType arrowType = new ArrowType.Timestamp(arrowTypeWithoutTz.getUnit(), holder.timezone);
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write(holder);
      <#elseif minor.class == "Duration">
          ArrowType arrowType = new ArrowType.Duration(holder.unit);
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write(holder);
      <#elseif minor.class == "FixedSizeBinary">
          ArrowType arrowType = new ArrowType.FixedSizeBinary(holder.byteWidth);
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write(holder);
      <#else>
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${name}(<#list fields as field>holder.${field.name}<#if field_has_next>, </#if></#list>);
      </#if>
    }
  
    public void write${minor.class}(<#list fields as field>${field.type} ${field.name}<#if field_has_next>, </#if></#list><#if minor.class?starts_with("Decimal")>, ArrowType arrowType</#if>) {
      data.setType(idx(), MinorType.${name?upper_case});
      <#if minor.class?starts_with("Decimal")>
          get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write${name}(<#list fields as field>${field.name}<#if field_has_next>, </#if></#list>, arrowType);
      <#elseif is_timestamp_tz(minor.class)>
          ArrowType.Timestamp arrowTypeWithoutTz = (ArrowType.Timestamp) MinorType.${name?upper_case?remove_ending("TZ")}.getType();
      ArrowType arrowType = new ArrowType.Timestamp(arrowTypeWithoutTz.getUnit(), "UTC");
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write${name}(<#list fields as field>${field.name}<#if field_has_next>, </#if></#list>);
      <#elseif minor.class == "Duration" || minor.class == "FixedSizeBinary">
          // This is expected to throw. There's nothing more that we can do here since we can't infer any
          // sort of default unit for the Duration or a default width for the FixedSizeBinary types.
          ArrowType arrowType = MinorType.${name?upper_case}.getType();
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write${name}(<#list fields as field>${field.name}<#if field_has_next>, </#if></#list>);
      <#else>
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${name}(<#list fields as field>${field.name}<#if field_has_next>, </#if></#list>);
      </#if>
    }
    <#if minor.class?starts_with("Decimal")>
    public void write${name}(${friendlyType} value) {
      data.setType(idx(), MinorType.${name?upper_case});
      ArrowType arrowType = new ArrowType.Decimal(value.precision(), value.scale(), ${name}Vector.TYPE_WIDTH * 8);
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).write${name}(value);
    }
  
    public void writeBigEndianBytesTo${name}(byte[] value, ArrowType arrowType) {
      data.setType(idx(), MinorType.${name?upper_case});
      get${name}Writer(arrowType).setPosition(idx());
      get${name}Writer(arrowType).writeBigEndianBytesTo${name}(value, arrowType);
    }
    <#elseif minor.class?ends_with("VarBinary")>
    @Override
    public void write${minor.class}(byte[] value) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value);
    }
  
    @Override
    public void write${minor.class}(byte[] value, int offset, int length) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value, offset, length);
    }
  
    @Override
    public void write${minor.class}(ByteBuffer value) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value);
    }
  
    @Override
    public void write${minor.class}(ByteBuffer value, int offset, int length) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value, offset, length);
    }
    <#elseif minor.class?ends_with("VarChar")>
    @Override
    public void write${minor.class}(${friendlyType} value) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value);
    }
  
    @Override
    public void write${minor.class}(String value) {
      get${name}Writer().setPosition(idx());
      get${name}Writer().write${minor.class}(value);
    }
    </#if>
        </#if>
      </#list>
    </#list>
  
    <#list vv.types as type><#list type.minor as minor>
    <#assign lowerName = minor.class?uncap_first />
    <#if lowerName == "int" ><#assign lowerName = "integer" /></#if>
    <#assign upperName = minor.class?upper_case />
    <#assign capName = minor.class?cap_first />
    <#if !minor.typeParams?? || minor.class?starts_with("Decimal") || is_timestamp_tz(minor.class) || minor.class == "Duration" || minor.class == "FixedSizeBinary">
  
    @Override
    public ${capName}Writer ${lowerName}() {
      data.setType(idx(), MinorType.LISTVIEW);
      getListViewWriter().setPosition(idx());
      return getListViewWriter().${lowerName}();
    }
    </#if>
    </#list></#list>
  }
  