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 java.util.List;
  import org.apache.arrow.vector.FieldVector;
  import org.apache.arrow.vector.VectorSchemaRoot;
  import org.apache.avro.io.Encoder;
  
  /** Composite producer which holds all producers. It manages the produce and cleanup process. */
  public class CompositeAvroProducer {
  
    private final List<Producer<? extends FieldVector>> producers;
  
    public CompositeAvroProducer(List<Producer<? extends FieldVector>> producers) {
      this.producers = producers;
    }
  
    public List<Producer<?>> getProducers() {
      return producers;
    }
  
    /** Produce encoder data. */
    public void produce(Encoder encoder) throws IOException {
      for (Producer<? extends FieldVector> producer : producers) {
        producer.produce(encoder);
      }
    }
  
    /** Reset vector of consumers with the given {@link VectorSchemaRoot}. */
    @SuppressWarnings({"unchecked", "rawtypes"})
    public void resetProducerVectors(VectorSchemaRoot root) {
      // This method assumes that the VSR matches the constructed set of producers
      int index = 0;
      for (Producer producer : producers) {
        producer.resetValueVector(root.getFieldVectors().get(index));
      }
    }
  }
  