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package org.apache.crunch.impl.spark.fn;

import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.apache.crunch.Pair;
import org.apache.crunch.impl.spark.ByteArray;
import org.apache.crunch.impl.spark.serde.SerDe;
import org.apache.spark.api.java.function.Function;
import scala.Tuple2;

import java.util.List;

public class ReduceInputFunction implements Function>, Pair>> {
  private final SerDe keySerDe;
  private final SerDe valueSerDe;

  public ReduceInputFunction(SerDe keySerDe, SerDe valueSerDe) {
    this.keySerDe = keySerDe;
    this.valueSerDe = valueSerDe;
  }

  @Override
  public Pair> call(Tuple2> kv) throws Exception {
    return Pair.of(keySerDe.fromBytes(kv._1().value), Iterables.transform(kv._2(), valueSerDe.fromBytesFunction()));
  }
}




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