| /* |
| * 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; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.lang.reflect.Method; |
| |
| import javax.transaction.InvalidTransactionException; |
| |
| import org.apache.servicecomb.pack.omega.context.OmegaContext; |
| import org.apache.servicecomb.pack.omega.transaction.annotations.Compensable; |
| import org.aspectj.lang.ProceedingJoinPoint; |
| import org.aspectj.lang.reflect.MethodSignature; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * ForwardRecovery is used to execute business logic with the given forwardRetries times. |
| * If forwardRetries is above 0, it will retry the given times at most. |
| * If forwardRetries == -1, it will retry forever until interrupted. |
| */ |
| public class ForwardRecovery extends DefaultRecovery { |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| // TODO: 2018/03/10 we do not support retry with forward timeout yet |
| @Override |
| public Object applyTo(ProceedingJoinPoint joinPoint, Compensable compensable, CompensableInterceptor interceptor, |
| OmegaContext context, String parentTxId, int retries) throws Throwable { |
| Method method = ((MethodSignature) joinPoint.getSignature()).getMethod(); |
| int remains = retries; |
| try { |
| while (true) { |
| try { |
| return super.applyTo(joinPoint, compensable, interceptor, context, parentTxId, remains); |
| } catch (Throwable throwable) { |
| if (throwable instanceof InvalidTransactionException) { |
| throw throwable; |
| } |
| |
| remains = remains == -1 ? -1 : remains - 1; |
| if (remains == 0) { |
| LOG.error( |
| "Retried sub tx failed maximum times, global tx id: {}, local tx id: {}, method: {}, retried times: {}", |
| context.globalTxId(), context.localTxId(), method.toString(), retries); |
| throw throwable; |
| } |
| |
| LOG.warn("Retrying sub tx failed, global tx id: {}, local tx id: {}, method: {}, remains: {}", |
| context.globalTxId(), context.localTxId(), method.toString(), remains); |
| Thread.sleep(compensable.retryDelayInMilliseconds()); |
| } |
| } |
| } catch (InterruptedException e) { |
| String errorMessage = "Failed to handle tx because it is interrupted, global tx id: " + context.globalTxId() |
| + ", local tx id: " + context.localTxId() + ", method: " + method.toString(); |
| LOG.error(errorMessage); |
| interceptor.onError(parentTxId, compensationMethodSignature(joinPoint, compensable, method), e); |
| throw new OmegaException(errorMessage); |
| } |
| } |
| } |