| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.micrometer; |
| |
| import java.util.function.Function; |
| import io.micrometer.core.instrument.MeterRegistry; |
| import io.micrometer.core.instrument.Tag; |
| import io.micrometer.core.instrument.Timer; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| |
| import static org.apache.camel.component.micrometer.MicrometerConstants.HEADER_TIMER_ACTION; |
| |
| public class TimerProducer extends AbstractMicrometerProducer<Timer> { |
| |
| public TimerProducer(MicrometerEndpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| protected Function<MeterRegistry, Timer> registrar(String name, Iterable<Tag> tags) { |
| return meterRegistry -> meterRegistry.timer(name, tags); |
| } |
| |
| @Override |
| protected void doProcess(Exchange exchange, MicrometerEndpoint endpoint, Timer timer) { |
| String propertyName = getPropertyName(timer.getId().getName()); |
| Timer.Sample sample = getTimerSampleFromExchange(exchange, propertyName); |
| sample.stop(timer); |
| exchange.removeProperty(propertyName); |
| } |
| |
| @Override |
| protected void doProcess(Exchange exchange, String metricsName, Iterable<Tag> tags) { |
| MeterRegistry registry = getEndpoint().getRegistry(); |
| Message in = exchange.getIn(); |
| MicrometerTimerAction action = simple(exchange, getEndpoint().getAction(), MicrometerTimerAction.class); |
| MicrometerTimerAction finalAction = in.getHeader(HEADER_TIMER_ACTION, action, MicrometerTimerAction.class); |
| if (finalAction == MicrometerTimerAction.start) { |
| handleStart(exchange, registry, metricsName); |
| } else if (finalAction == MicrometerTimerAction.stop) { |
| handleStop(exchange, metricsName, tags); |
| } else { |
| log.warn("No action provided for timer \"{}\"", metricsName); |
| } |
| } |
| |
| private void handleStop(Exchange exchange, String metricsName, Iterable<Tag> tags) { |
| if (getTimerSampleFromExchange(exchange, getPropertyName(metricsName)) != null) { |
| doProcess(exchange, getEndpoint(), getOrRegisterMeter(metricsName, tags)); |
| } |
| } |
| |
| void handleStart(Exchange exchange, MeterRegistry registry, String metricsName) { |
| String propertyName = getPropertyName(metricsName); |
| Timer.Sample sample = getTimerSampleFromExchange(exchange, propertyName); |
| if (sample == null) { |
| sample = Timer.start(registry); |
| exchange.setProperty(propertyName, sample); |
| } else { |
| log.warn("Timer \"{}\" already running", metricsName); |
| } |
| } |
| |
| String getPropertyName(String metricsName) { |
| return "timer:" + metricsName; |
| } |
| |
| Timer.Sample getTimerSampleFromExchange(Exchange exchange, String propertyName) { |
| return exchange.getProperty(propertyName, Timer.Sample.class); |
| } |
| } |