package com.criteo.gerrit.plugins.automerge;

import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.server.data.ChangeAttribute;

/**
 * A change represented only with the fields that this plugin requires.
 * <p>
 * As a change can be a {@link ChangeAttribute} or a {@link ChangeInfo}, this intermediate class is
 * needed.
 */
public class Change {
  public final String project;
  public final int number;
  public final String topic;

  private Change(String project, int number, String topic) {
    this.project = project;
    this.number = number;
    this.topic = topic;
  }

  static public Change from(ChangeAttribute changeAttribute) {
    return new Change(changeAttribute.project, changeAttribute.number, changeAttribute.topic);
  }

  static public Change from(ChangeInfo changeInfo) {
    return new Change(changeInfo.project, changeInfo._number, changeInfo.topic);
  }
}