001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.actuate.autoconfigure.metrics;
018
019import io.micrometer.core.instrument.Meter;
020import io.micrometer.core.instrument.MeterRegistry;
021
022/**
023 * Callback interface that can be used to customize auto-configured {@link MeterRegistry
024 * MeterRegistries}.
025 * <p>
026 * Customizers are guaranteed to be applied before any {@link Meter} is registered with
027 * the registry.
028 *
029 * @author Jon Schneider
030 * @param <T> the registry type to customize
031 * @since 2.0.0
032 */
033@FunctionalInterface
034public interface MeterRegistryCustomizer<T extends MeterRegistry> {
035
036        /**
037         * Customize the given {@code registry}.
038         * @param registry the registry to customize
039         */
040        void customize(T registry);
041
042}