| /* |
| * 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.servicecomb.pack.omega.transaction.tcc; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.lang.reflect.Method; |
| |
| import org.apache.servicecomb.pack.omega.context.OmegaContext; |
| import org.apache.servicecomb.pack.omega.context.annotations.TccStart; |
| import org.apache.servicecomb.pack.omega.transaction.OmegaException; |
| import org.aspectj.lang.ProceedingJoinPoint; |
| import org.aspectj.lang.annotation.Around; |
| import org.aspectj.lang.annotation.Aspect; |
| import org.aspectj.lang.reflect.MethodSignature; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Aspect |
| public class TccStartAspect { |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private final TccStartAnnotationProcessor tccStartAnnotationProcessor; |
| |
| private final OmegaContext context; |
| |
| public TccStartAspect(TccMessageSender tccMessageSender, OmegaContext context) { |
| this.context = context; |
| this.tccStartAnnotationProcessor = new TccStartAnnotationProcessor(context, tccMessageSender); |
| } |
| |
| @Around("execution(@org.apache.servicecomb.pack.omega.context.annotations.TccStart * *(..)) && @annotation(tccStart)") |
| Object advise(ProceedingJoinPoint joinPoint, TccStart tccStart) throws Throwable { |
| initializeOmegaContext(); |
| Method method = ((MethodSignature) joinPoint.getSignature()).getMethod(); |
| |
| tccStartAnnotationProcessor.preIntercept(context.globalTxId(), method.toString(), tccStart.timeout()); |
| LOG.debug("Initialized context {} before execution of method {}", context, method.toString()); |
| |
| try { |
| Object result = joinPoint.proceed(); |
| |
| tccStartAnnotationProcessor.postIntercept(context.globalTxId(), method.toString()); |
| LOG.debug("Transaction with context {} has finished.", context); |
| |
| return result; |
| } catch (Throwable throwable) { |
| // We don't need to handle the OmegaException here |
| if (!(throwable instanceof OmegaException)) { |
| tccStartAnnotationProcessor.onError(context.globalTxId(), method.toString(), throwable); |
| LOG.error("Transaction {} failed.", context.globalTxId()); |
| } |
| throw throwable; |
| } finally { |
| context.clear(); |
| } |
| } |
| |
| private void initializeOmegaContext() { |
| context.setLocalTxId(context.newGlobalTxId()); |
| } |
| } |