org.apache.crunch.impl.spark.fn.ReduceInputFunction Maven / Gradle / Ivy
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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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