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.
   */
  package org.apache.arrow.vector.complex.impl;
  
  import org.apache.arrow.vector.ExtensionTypeVector;
  import org.apache.arrow.vector.complex.writer.FieldWriter;
  import org.apache.arrow.vector.holders.ExtensionHolder;
  import org.apache.arrow.vector.types.pojo.Field;
  
  public class UnionExtensionWriter extends AbstractFieldWriter {
    protected ExtensionTypeVector vector;
    protected FieldWriter writer;
  
    public UnionExtensionWriter(ExtensionTypeVector vector) {
      this.vector = vector;
    }
  
    @Override
    public void allocate() {
      vector.allocateNew();
    }
  
    @Override
    public void clear() {
      vector.clear();
    }
  
    @Override
    public int getValueCapacity() {
      return vector.getValueCapacity();
    }
  
    @Override
    public Field getField() {
      return vector.getField();
    }
  
    @Override
    public void close() throws Exception {
      vector.close();
    }
  
    @Override
    public void writeExtension(Object var1) {
      this.writer.writeExtension(var1);
    }
  
    @Override
    public void addExtensionTypeWriterFactory(ExtensionTypeWriterFactory factory) {
      this.writer = factory.getWriterImpl(vector);
      this.writer.setPosition(idx());
    }
  
    public void write(ExtensionHolder holder) {
      this.writer.write(holder);
    }
  
    @Override
    public void setPosition(int index) {
      super.setPosition(index);
      if (this.writer != null) {
        this.writer.setPosition(index);
      }
    }
  
    @Override
    public void writeNull() {
      this.writer.writeNull();
    }
  }
  