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.metrics.amqp; 018 019import java.util.Collections; 020 021import com.rabbitmq.client.ConnectionFactory; 022import com.rabbitmq.client.impl.MicrometerMetricsCollector; 023import io.micrometer.core.instrument.MeterRegistry; 024import io.micrometer.core.instrument.Tag; 025import io.micrometer.core.instrument.binder.MeterBinder; 026 027import org.springframework.util.Assert; 028 029/** 030 * A {@link MeterBinder} for RabbitMQ Java Client metrics. 031 * 032 * @author Arnaud Cogoluègnes 033 * @author Stephane Nicoll 034 * @since 2.0.0 035 */ 036public class RabbitMetrics implements MeterBinder { 037 038 private final Iterable<Tag> tags; 039 040 private final ConnectionFactory connectionFactory; 041 042 /** 043 * Create a new meter binder recording the specified {@link ConnectionFactory}. 044 * @param connectionFactory the {@link ConnectionFactory} to instrument 045 * @param tags tags to apply to all recorded metrics 046 */ 047 public RabbitMetrics(ConnectionFactory connectionFactory, Iterable<Tag> tags) { 048 Assert.notNull(connectionFactory, "ConnectionFactory must not be null"); 049 this.connectionFactory = connectionFactory; 050 this.tags = (tags != null) ? tags : Collections.emptyList(); 051 } 052 053 @Override 054 public void bindTo(MeterRegistry registry) { 055 this.connectionFactory.setMetricsCollector( 056 new MicrometerMetricsCollector(registry, "rabbitmq", this.tags)); 057 } 058 059}