| /* |
| * 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.crossthread; |
| |
| import org.apache.dubbo.common.constants.CommonConstants; |
| import org.apache.dubbo.crossthread.interceptor.RunnableOrCallableActivation; |
| import org.apache.dubbo.rpc.RpcContext; |
| import org.apache.dubbo.crossthread.toolkit.CallableWrapper; |
| import org.apache.dubbo.crossthread.toolkit.RunnableWrapper; |
| |
| import java.lang.instrument.Instrumentation; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import net.bytebuddy.agent.ByteBuddyAgent; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| class DubboCrossThreadTest { |
| @Test |
| void crossThreadCallableTest() throws ExecutionException, InterruptedException, TimeoutException { |
| Instrumentation instrumentation = ByteBuddyAgent.install(); |
| RunnableOrCallableActivation.install(instrumentation); |
| String tag = "beta"; |
| RpcContext.getClientAttachment().setAttachment(CommonConstants.TAG_KEY, tag); |
| Callable<String> callable = CallableWrapper.of(() -> RpcContext.getClientAttachment().getAttachment(CommonConstants.TAG_KEY)); |
| ExecutorService threadPool = Executors.newSingleThreadExecutor(); |
| Future<String> submit = threadPool.submit(callable); |
| assertEquals(tag, submit.get(1, TimeUnit.SECONDS)); |
| threadPool.shutdown(); |
| } |
| |
| private volatile String tagCrossThread = null; |
| |
| @Test |
| void crossThreadRunnableTest() throws InterruptedException { |
| Instrumentation instrumentation = ByteBuddyAgent.install(); |
| RunnableOrCallableActivation.install(instrumentation); |
| String tag = "beta"; |
| RpcContext.getClientAttachment().setAttachment(CommonConstants.TAG_KEY, tag); |
| final CountDownLatch latch = new CountDownLatch(1); |
| Runnable runnable = RunnableWrapper.of(() -> { |
| String tag1 = RpcContext.getClientAttachment().getAttachment(CommonConstants.TAG_KEY); |
| tagCrossThread = tag1; |
| latch.countDown(); |
| }); |
| ExecutorService threadPool = Executors.newSingleThreadExecutor(); |
| threadPool.submit(runnable); |
| latch.await(1, TimeUnit.SECONDS); |
| assertEquals(tag, tagCrossThread); |
| threadPool.shutdown(); |
| } |
| |
| } |