// Copyright (C) 2014 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;
import java.util.Properties;

/** Notified whenever the garbage collector has run successfully on a project. */
@ExtensionPoint
public interface GarbageCollectorListener {
  interface Event extends ProjectEvent {
    /**
     * Returns properties describing the result of the garbage collection performed by JGit.
     *
     * <p>See {@link org.eclipse.jgit.api.GarbageCollectCommand#call }
     */
    Properties getStatistics();
  }

  void onGarbageCollected(Event event);
}