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Fast and reliable message broker built on top of Kafka.

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package pl.allegro.tech.hermes.common.message.wrapper;

import java.util.Map;
import org.apache.avro.Schema;
import pl.allegro.tech.hermes.api.Topic;
import pl.allegro.tech.hermes.schema.CompiledSchema;

public interface MessageContentWrapper {

  UnwrappedMessageContent unwrapAvro(
      byte[] data, Topic topic, Integer schemaId, Integer schemaVersion);

  UnwrappedMessageContent unwrapJson(byte[] data);

  byte[] wrapAvro(
      byte[] data,
      String id,
      long timestamp,
      Topic topic,
      CompiledSchema schema,
      Map externalMetadata);

  byte[] wrapJson(byte[] data, String id, long timestamp, Map externalMetadata);
}