我有一个应用程序可以向我的 Java 应用程序发送一些 REST 调用。我必须在 @Async 模式下运行最后一个命令,这样用户可以在异步任务执行另一个 SOAP 调用时继续使用该应用程序。
问题是我在数据库中自动连接了 TenantContext 和几个租户标识符。在执行异步任务时,它具有我的主线程的租户上下文,并为错误的租户保存数据。
这是我的 JpaTransactionManager,它会为数据库中的每个事务调用:
@Autowired
private TenantContext tenantContext;
@Autowired
private Flyway flyway;
@Autowired
private Environment environment;
@Override
protected void doBegin(final Object transaction, final TransactionDefinition definition)
{
super.doBegin(transaction, definition);
final EntityManagerHolder entityManagerHolder = (EntityManagerHolder) TransactionSynchronizationManager.getResource(getEntityManagerFactory());
final EntityManager entityManager = entityManagerHolder.getEntityManager();
String subAccountId = "";
if (environment.getActiveProfiles().length == 0 || !environment.getActiveProfiles()[0].equals("production"))
{
subAccountId = "SCAN4CLOUD";
} else
{
subAccountId = tenantContext.getTenant().getAccount().getId().toUpperCase();
}
entityManager.setProperty("tenant", subAccountId);
}
我已尝试使用以下类拦截异步调用以设置正确的租户上下文。
@Configuration
@EnableAsync
public class AsyncConfig extends AsyncConfigurerSupport
{
@Autowired
private TenantContext tenantContext;
@Autowired
private Environment environment;
private HashMap<String, ContextAwarePoolExecutor> tenantThreadPoolTaskExecutor = new HashMap<String, ContextAwarePoolExecutor>();
@Override
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)
public Executor getAsyncExecutor()
{
String subAccountId = "";
if (environment.getActiveProfiles().length == 0 || !environment.getActiveProfiles()[0].equals("production"))
{
subAccountId = "SCAN4CLOUD";
} else
{
subAccountId = tenantContext.getTenant().getAccount().getId().toUpperCase();
}
if (!tenantThreadPoolTaskExecutor.containsKey(subAccountId))
{
tenantThreadPoolTaskExecutor.put(subAccountId, new ContextAwarePoolExecutor(tenantContext));
}
return tenantThreadPoolTaskExecutor.get(subAccountId);
}
上下文感知池执行器:
public class ContextAwarePoolExecutor extends ThreadPoolTaskExecutor
{
private TenantContext tenantContext;
public ContextAwarePoolExecutor(TenantContext tenantContext)
{
this.tenantContext = tenantContext;
}
@Override
public <T> Future<T> submit(Callable<T> task)
{
return super.submit(new ContextAwareCallable(task, tenantContext));
}
@Override
public <T> ListenableFuture<T> submitListenable(Callable<T> task)
{
return super.submitListenable(new ContextAwareCallable(task, tenantContext));
}
}
上下文感知调用:
public class ContextAwareCallable<T> implements Callable<T>
{
private Callable<T> task;
private TenantContext tenantContext;
public ContextAwareCallable(Callable<T> task, TenantContext tenantContext)
{
this.task = task;
this.tenantContext = tenantContext;
}
@Override
public T call() throws Exception
{
if (tenantContext != null)
{
return tenantContext.execute(tenantContext.getTenant().getId(), task);
}
return task.call();
}
}
但它仍然没有给我父线程的正确租户。
对此有什么建议或其他方法吗?
谢谢, 没有
最佳答案
我通过直接在 contextawarecallable 构造函数中添加 tenantid 解决了这个问题。现在可以使用了。
关于java - Spring @async 子线程上下文 Multi-Tenancy ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48297362/