content: /**
   * 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.web.service;
  
  import org.apache.atlas.AtlasConfiguration;
  import org.aspectj.lang.ProceedingJoinPoint;
  import org.aspectj.lang.Signature;
  import org.aspectj.lang.annotation.Around;
  import org.aspectj.lang.annotation.Aspect;
  import org.springframework.stereotype.Component;
  
  import javax.inject.Inject;
  
  @Aspect
  @Component
  public class TimedAspectInterceptor {
      private static final boolean debugMetricsEnabled = AtlasConfiguration.DEBUG_METRICS_ENABLED.getBoolean();
  
      private final DebugMetricsWrapper wrapper;
  
      @Inject
      public TimedAspectInterceptor(DebugMetricsWrapper wrapper) {
          this.wrapper = wrapper;
      }
  
      @Around("@annotation(org.apache.atlas.annotation.Timed) && execution(public * *(..))")
      public Object timerAdvice(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
          long start = System.currentTimeMillis();
  
          try {
              return proceedingJoinPoint.proceed();
          } finally {
              if (debugMetricsEnabled) {
                  reportMetrics(start, proceedingJoinPoint.getSignature());
              }
          }
      }
  
      private void reportMetrics(long start, Signature signature) {
          long executionTime = System.currentTimeMillis() - start;
  
          wrapper.update(signature, executionTime);
      }
  }
  