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.logical;
  
  import java.io.IOException;
  import org.apache.arrow.adapter.avro.producers.BaseAvroProducer;
  import org.apache.arrow.vector.TimeNanoVector;
  import org.apache.avro.io.Encoder;
  
  /**
   * Producer that converts nanoseconds from a {@link TimeNanoVector} and produces time (microseconds)
   * values, writes data to an Avro encoder.
   */
  public class AvroTimeNanoProducer extends BaseAvroProducer<TimeNanoVector> {
  
    // Convert nanoseconds to microseconds for Avro time-micros (LONG) type
    // Range is 1000 times less than for microseconds, so the type will fit (with loss of precision)
  
    private static final long NANOS_PER_MICRO = 1000;
  
    public AvroTimeNanoProducer(TimeNanoVector vector) {
      super(vector);
    }
  
    @Override
    public void produce(Encoder encoder) throws IOException {
      long nanos = vector.getDataBuffer().getLong(currentIndex * (long) TimeNanoVector.TYPE_WIDTH);
      long micros = nanos / NANOS_PER_MICRO;
      encoder.writeLong(micros);
      currentIndex++;
    }
  }
  