/*

* 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>

}