/*
 * Copyright (C) 2019 Ryan Murray
 *
 * Licensed 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.flight.spark;

import org.apache.spark.broadcast.Broadcast;
import org.apache.spark.sql.sources.v2.reader.InputPartition;
import org.apache.spark.sql.sources.v2.reader.InputPartitionReader;
import org.apache.spark.sql.vectorized.ColumnarBatch;

public class FlightDataReaderFactory implements InputPartition<ColumnarBatch> {

  private final Broadcast<FlightDataSourceReader.FactoryOptions> options;

  public FlightDataReaderFactory(Broadcast<FlightDataSourceReader.FactoryOptions> options) {
    this.options = options;
  }

  @Override
 public String[] preferredLocations() {
    return new String[]{options.value().getHost()};
  }

  @Override
  public InputPartitionReader<ColumnarBatch> createPartitionReader() {
    return new FlightDataReader(options);
  }

}