WindowedSerde.java

package io.confluent.examples.streams.utils;

import org.apache.kafka.common.serialization.Deserializer;
import org.apache.kafka.common.serialization.Serde;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.common.serialization.Serializer;
import org.apache.kafka.streams.kstream.Windowed;
import org.apache.kafka.streams.kstream.internals.WindowedDeserializer;
import org.apache.kafka.streams.kstream.internals.WindowedSerializer;

import java.util.Map;

public class WindowedSerde<T> implements Serde<Windowed<T>> {

  private final Serde<Windowed<T>> inner;

  public WindowedSerde(Serde<T> serde) {
    inner = Serdes.serdeFrom(
        new WindowedSerializer<>(serde.serializer()),
        new WindowedDeserializer<>(serde.deserializer()));
  }

  @Override
  public Serializer<Windowed<T>> serializer() {
    return inner.serializer();
  }

  @Override
  public Deserializer<Windowed<T>> deserializer() {
    return inner.deserializer();
  }

  @Override
  public void configure(Map<String, ?> configs, boolean isKey) {
    inner.serializer().configure(configs, isKey);
    inner.deserializer().configure(configs, isKey);
  }

  @Override
  public void close() {
    inner.serializer().close();
    inner.deserializer().close();
  }

}