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/*
* 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 java.lang.UnsupportedOperationException;
<@pp.dropOutputFile />
<@pp.changeOutputFile name="/org/apache/drill/exec/vector/complex/impl/UnionListWriter.java" />
<#include "/@includes/license.ftl" />
package org.apache.drill.exec.vector.complex.impl;
<#include "/@includes/vv_imports.ftl" />
/*
* This class is generated using freemarker and the ${.template_name} template.
*/
public class UnionListWriter extends AbstractFieldWriter {
private ListVector vector;
private UInt4Vector offsets;
private PromotableWriter writer;
private boolean inMap = false;
public UnionListWriter(ListVector vector) {
super(null);
this.vector = vector;
this.writer = new PromotableWriter(vector.getDataVector(), vector);
this.offsets = vector.getOffsetVector();
}
public UnionListWriter(ListVector vector, AbstractFieldWriter parent) {
this(vector);
}
@Override
public void allocate() {
vector.allocateNew();
}
@Override
public void clear() {
vector.clear();
}
@Override
public MaterializedField getField() {
return null;
}
@Override
public int getValueCapacity() {
return vector.getValueCapacity();
}
@Override
public void close() throws Exception { }
<#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/>
<#if !minor.class?starts_with("Decimal")>
@Override
public ${name}Writer <#if uncappedName == "int">integer<#else>${uncappedName}</#if>() {
return this;
}
<#if minor.class == "VarDecimal">
@Override
public ${name}Writer <#if uncappedName == "int">integer<#else>${uncappedName}</#if>(String name, int scale, int precision) {
assert inMap;
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
writer.setPosition(nextOffset);
${name}Writer ${uncappedName}Writer = writer.${uncappedName}(name, scale, precision);
return ${uncappedName}Writer;
}
<#else>
@Override
public ${name}Writer <#if uncappedName == "int">integer<#else>${uncappedName}</#if>(String name) {
assert inMap;
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
writer.setPosition(nextOffset);
${name}Writer ${uncappedName}Writer = writer.<#if uncappedName == "int">integer<#else>${uncappedName}</#if>(name);
return ${uncappedName}Writer;
}
</#if>
</#if>
</#list></#list>
@Override
public MapWriter map() {
inMap = true;
return this;
}
@Override
public ListWriter list() {
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
offsets.getMutator().setSafe(idx() + 1, nextOffset + 1);
writer.setPosition(nextOffset);
return writer;
}
@Override
public ListWriter list(String name) {
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
writer.setPosition(nextOffset);
ListWriter listWriter = writer.list(name);
return listWriter;
}
@Override
public MapWriter map(String name) {
MapWriter mapWriter = writer.map(name);
return mapWriter;
}
@Override
public void startList() {
vector.getMutator().startNewValue(idx());
}
@Override
public void endList() { }
@Override
public void start() {
assert inMap;
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
offsets.getMutator().setSafe(idx() + 1, nextOffset);
writer.setPosition(nextOffset);
}
@Override
public void end() {
if (inMap) {
inMap = false;
final int nextOffset = offsets.getAccessor().get(idx() + 1);
offsets.getMutator().setSafe(idx() + 1, nextOffset + 1);
}
}
<#list vv.types as type><#list type.minor as minor><#assign name = minor.class?cap_first />
<#assign fields = minor.fields!type.fields />
<#assign uncappedName = name?uncap_first/>
<#if !minor.class?starts_with("Decimal")>
@Override
public void write${name}(<#list fields as field>${field.type} ${field.name}<#if field_has_next>, </#if></#list>) {
assert !inMap;
final int nextOffset = offsets.getAccessor().get(idx() + 1);
vector.getMutator().setNotNull(idx());
writer.setPosition(nextOffset);
writer.write${name}(<#list fields as field>${field.name}<#if field_has_next>, </#if></#list>);
offsets.getMutator().setSafe(idx() + 1, nextOffset + 1);
}
</#if>
</#list></#list>
}
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