| /* |
| * 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.alpha.fsm.spring.integration.akka; |
| |
| import static org.apache.servicecomb.pack.common.EventType.TxCompensateEvent; |
| |
| import akka.actor.AbstractExtensionId; |
| import akka.actor.ExtendedActorSystem; |
| import akka.actor.Extension; |
| import java.lang.invoke.MethodHandles; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import org.apache.servicecomb.pack.alpha.core.OmegaCallback; |
| import org.apache.servicecomb.pack.alpha.core.TxEvent; |
| import org.apache.servicecomb.pack.alpha.fsm.model.TxEntity; |
| import org.apache.servicecomb.pack.alpha.fsm.spring.integration.akka.SpringAkkaExtension.SpringExt; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.context.ApplicationContext; |
| |
| public class SpringAkkaExtension extends AbstractExtensionId<SpringExt> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| public static final SpringAkkaExtension SPRING_EXTENSION_PROVIDER = new SpringAkkaExtension(); |
| |
| @Override |
| public SpringExt createExtension(ExtendedActorSystem system) { |
| return new SpringExt(); |
| } |
| |
| public static class SpringExt implements Extension { |
| |
| private static final String omegaCallbackBeanName = "omegaCallback"; |
| private volatile ApplicationContext applicationContext; |
| private OmegaCallback omegaCallback; |
| |
| public void compensate(TxEntity txEntity) |
| throws InterruptedException, ExecutionException, TimeoutException { |
| if (txEntity.getReverseTimeout() > 0) { |
| CompletableFuture.runAsync(() -> doCompensate(txEntity)) |
| .get(txEntity.getReverseTimeout(), TimeUnit.SECONDS); |
| } else { |
| doCompensate(txEntity); |
| } |
| } |
| |
| private void doCompensate(TxEntity txEntity) { |
| if (applicationContext != null) { |
| if (applicationContext.containsBean(omegaCallbackBeanName)) { |
| omegaCallback = applicationContext.getBean(omegaCallbackBeanName, OmegaCallback.class); |
| TxEvent event = new TxEvent( |
| txEntity.getServiceName(), |
| txEntity.getInstanceId(), |
| txEntity.getGlobalTxId(), |
| txEntity.getLocalTxId(), |
| txEntity.getParentTxId(), |
| TxCompensateEvent.name(), |
| txEntity.getCompensationMethod(), |
| txEntity.getPayloads()); |
| omegaCallback.compensate(event); |
| } else { |
| LOG.warn("Spring Bean {} doesn't exist in ApplicationContext", omegaCallbackBeanName); |
| } |
| } else { |
| LOG.warn("Spring ApplicationContext is null"); |
| } |
| } |
| |
| public void initialize(ApplicationContext applicationContext) { |
| this.applicationContext = applicationContext; |
| } |
| } |
| } |