java/com/google/gerrit/metrics/CallbackMetric.java

// Copyright (C) 2015 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.metrics;

import com.google.gerrit.extensions.registration.RegistrationHandle;

/**
 * Metric whose value is supplied when the trigger is invoked.
 *
 * @see CallbackMetric0
 * @param <V> type of the metric value, typically Integer or Long.
 */
public interface CallbackMetric<V> extends RegistrationHandle {
  void prune();
}