/** * Copyright 2016 LinkedIn Corp. All rights reserved. * * 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. */ package com.github.ambry.metrics; import java.util.Map; import java.util.Set; public interface ReadableMetricsRegistry extends MetricsRegistry { Set<String> getGroups(); Map<String, Metric> getGroup(String group); void listen(ReadableMetricsRegistryListener listener); void unlisten(ReadableMetricsRegistryListener listener); }