// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.extensions.events;

import com.google.gerrit.extensions.annotations.ExtensionPoint;

/** Notified whenever the HEAD of a project is updated. */
@ExtensionPoint
public interface HeadUpdatedListener {
  interface Event extends ProjectEvent {
    String getOldHeadName();

    String getNewHeadName();
  }

  void onHeadUpdated(Event event);
}