/*
 * Copyright (C) 2016-2021 Lightbend Inc. <https://www.lightbend.com>
 */

package akka.serialization.jackson;

import com.fasterxml.jackson.databind.node.IntNode;

import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.JsonNode;

public class JavaTestEventMigrationV2 extends JacksonMigration {

  @Override
  public int currentVersion() {
    return 2;
  }

  @Override
  public String transformClassName(int fromVersion, String className) {
    // Ignore the incoming manifest and produce the same class name always.
    return JavaTestMessages.Event2.class.getName();
  }

  @Override
  public JsonNode transform(int fromVersion, JsonNode json) {
    ObjectNode root = (ObjectNode) json;
    root.set("field1V2", root.get("field1"));
    root.remove("field1");
    root.set("field2", IntNode.valueOf(17));
    return root;
  }
}
