| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.atlas.aspect; |
| |
| import org.apache.atlas.RequestContext; |
| import org.apache.atlas.metrics.Metrics; |
| import org.aspectj.lang.ProceedingJoinPoint; |
| import org.aspectj.lang.Signature; |
| import org.aspectj.lang.annotation.Around; |
| import org.aspectj.lang.annotation.Aspect; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| @Aspect |
| public class AtlasAspect { |
| |
| public static final Logger LOG = LoggerFactory.getLogger(AtlasAspect.class); |
| |
| @Around("@annotation(org.apache.atlas.aspect.Monitored) && execution(* *(..))") |
| public Object collectMetricsForMonitored(ProceedingJoinPoint joinPoint) throws Throwable { |
| Signature methodSign = joinPoint.getSignature(); |
| Metrics metrics = RequestContext.getMetrics(); |
| String metricName = methodSign.getDeclaringType().getSimpleName() + "." + methodSign.getName(); |
| long start = System.currentTimeMillis(); |
| |
| try { |
| Object response = joinPoint.proceed(); |
| return response; |
| } finally { |
| metrics.record(metricName, (System.currentTimeMillis() - start)); |
| } |
| } |
| |
| @Around("@annotation(org.apache.atlas.aspect.Loggable) && execution(* *(..))") |
| public Object logAroundLoggable(ProceedingJoinPoint joinPoint) throws Throwable { |
| Signature methodSign = joinPoint.getSignature(); |
| String methodName = methodSign.getDeclaringType().getSimpleName() + "." + methodSign.getName(); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug(String.format("==> %s(%s)", methodName, Arrays.toString(joinPoint.getArgs()))); |
| } |
| Object response = joinPoint.proceed(); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug(String.format("<== %s(%s): %s", methodName, Arrays.toString(joinPoint.getArgs()), |
| response instanceof List ? ((List)response).size() : response)); |
| } |
| return response; |
| } |
| } |