| /* |
| * 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.dubbo.seata; |
| |
| import org.apache.dubbo.common.extension.Activate; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.rpc.Filter; |
| import org.apache.dubbo.rpc.Invocation; |
| import org.apache.dubbo.rpc.Invoker; |
| import org.apache.dubbo.rpc.Result; |
| import org.apache.dubbo.rpc.RpcException; |
| |
| import io.seata.core.constants.DubboConstants; |
| import io.seata.core.context.RootContext; |
| import io.seata.core.model.BranchType; |
| |
| /** |
| * The type Transaction propagation consumer filter. |
| */ |
| @Activate(group = DubboConstants.CONSUMER) |
| public class SeataTransactionPropagationConsumerFilter implements Filter { |
| private static final Logger LOGGER = LoggerFactory.getLogger(SeataTransactionPropagationConsumerFilter.class); |
| |
| @Override |
| public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException { |
| String xid = RootContext.getXID(); |
| BranchType branchType = RootContext.getBranchType(); |
| |
| if (LOGGER.isDebugEnabled()) { |
| LOGGER.debug(String.format("Client side xid in RootContext[%s]", xid)); |
| } |
| if (xid != null) { |
| invocation.setAttachment(RootContext.KEY_XID, xid); |
| if (branchType != null) { |
| invocation.setAttachment(RootContext.KEY_BRANCH_TYPE, branchType.name()); |
| } |
| } |
| return invoker.invoke(invocation); |
| } |
| } |