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.adapter.avro.producers;
  
  import java.io.IOException;
  import org.apache.arrow.vector.FieldVector;
  import org.apache.arrow.vector.complex.StructVector;
  import org.apache.avro.io.Encoder;
  
  /**
   * Producer which produces nested record type values to avro encoder. Read the data from {@link
   * org.apache.arrow.vector.complex.StructVector}.
   */
  public class AvroStructProducer extends BaseAvroProducer<StructVector> {
  
    private final Producer<? extends FieldVector>[] delegates;
  
    /** Instantiate a AvroStructProducer. */
    public AvroStructProducer(StructVector vector, Producer<? extends FieldVector>[] delegates) {
      super(vector);
      this.delegates = delegates;
    }
  
    @Override
    public void produce(Encoder encoder) throws IOException {
  
      for (Producer<?> delegate : delegates) {
        delegate.produce(encoder);
      }
  
      currentIndex++;
    }
  
    @Override
    public void skipNull() {
      for (Producer<?> delegate : delegates) {
        delegate.skipNull();
      }
      super.skipNull();
    }
  
    @Override
    public void setPosition(int index) {
      if (index < 0 || index > vector.getValueCount()) {
        throw new IllegalArgumentException("Index out of bounds: " + index);
      }
      for (Producer<?> delegate : delegates) {
        delegate.setPosition(index);
      }
      super.setPosition(index);
    }
  
    @Override
    @SuppressWarnings("unchecked")
    public void resetValueVector(StructVector vector) {
      for (int i = 0; i < delegates.length; i++) {
        Producer<FieldVector> delegate = (Producer<FieldVector>) delegates[i];
        delegate.resetValueVector(vector.getChildrenFromFields().get(i));
      }
    }
  }
  