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.docs.actuate.metrics; 018 019import io.micrometer.core.instrument.Counter; 020import io.micrometer.core.instrument.MeterRegistry; 021 022import org.springframework.stereotype.Component; 023 024/** 025 * Example to show manual usage of {@link MeterRegistry}. 026 * 027 * @author Stephane Nicoll 028 */ 029// tag::example[] 030@Component 031public class SampleBean { 032 033 private final Counter counter; 034 035 public SampleBean(MeterRegistry registry) { 036 this.counter = registry.counter("received.messages"); 037 } 038 039 public void handleMessage(String message) { 040 this.counter.increment(); 041 // handle message implementation 042 } 043 044} 045// end::example[]