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[]