| /** |
| * 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.management; |
| |
| import org.apache.camel.AsyncCallback; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.management.mbean.ManagedPerformanceCounter; |
| import org.apache.camel.processor.DelegateAsyncProcessor; |
| import org.apache.camel.util.StopWatch; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * JMX enabled processor that uses the {@link org.apache.camel.management.mbean.ManagedCounter} for instrumenting |
| * processing of exchanges. |
| * |
| * @version |
| */ |
| public class InstrumentationProcessor extends DelegateAsyncProcessor { |
| |
| private static final transient Logger LOG = LoggerFactory.getLogger(InstrumentationProcessor.class); |
| private PerformanceCounter counter; |
| private String type; |
| |
| public InstrumentationProcessor() { |
| } |
| |
| public InstrumentationProcessor(PerformanceCounter counter) { |
| this.counter = counter; |
| } |
| |
| @Override |
| public String toString() { |
| return "Instrumentation" + (type != null ? ":" + type : "") + "[" + processor + "]"; |
| } |
| |
| public void setCounter(Object counter) { |
| ManagedPerformanceCounter mpc = null; |
| if (counter instanceof ManagedPerformanceCounter) { |
| mpc = (ManagedPerformanceCounter) counter; |
| } |
| |
| if (this.counter instanceof DelegatePerformanceCounter) { |
| ((DelegatePerformanceCounter) this.counter).setCounter(mpc); |
| } else { |
| this.counter = mpc; |
| } |
| } |
| |
| @Override |
| public boolean process(final Exchange exchange, final AsyncCallback callback) { |
| // only record time if stats is enabled |
| final StopWatch watch = (counter != null && counter.isStatisticsEnabled()) ? new StopWatch() : null; |
| |
| return super.process(exchange, new AsyncCallback() { |
| public void done(boolean doneSync) { |
| try { |
| // record end time |
| if (watch != null) { |
| recordTime(exchange, watch.stop()); |
| } |
| } finally { |
| // and let the original callback know we are done as well |
| callback.done(doneSync); |
| } |
| } |
| }); |
| } |
| |
| protected void recordTime(Exchange exchange, long duration) { |
| if (LOG.isTraceEnabled()) { |
| LOG.trace("{}Recording duration: {} millis for exchange: {}", new Object[]{type != null ? type + ": " : "", duration, exchange}); |
| } |
| |
| if (!exchange.isFailed() && exchange.getException() == null) { |
| counter.completedExchange(exchange, duration); |
| } else { |
| counter.failedExchange(exchange); |
| } |
| } |
| |
| public String getType() { |
| return type; |
| } |
| |
| public void setType(String type) { |
| this.type = type; |
| } |
| } |