@Aspect
public abstract class AbstractHmilyTransactionAspect {
    private HmilyTransactionInterceptor hmilyTransactionInterceptor;
    protected void setHmilyTransactionInterceptor(final HmilyTransactionInterceptor hmilyTransactionInterceptor) {
        this.hmilyTransactionInterceptor = hmilyTransactionInterceptor;
    }
    /**
     * this is point cut with {@linkplain Hmily }.
     */
    @Pointcut("@annotation(org.dromara.hmily.annotation.Hmily)")
    public void hmilyInterceptor() {
    }
    /**
     * this is around in {@linkplain Hmily }.
     * @param proceedingJoinPoint proceedingJoinPoint
     * @return Object
     * @throws Throwable  Throwable
     */
    @Around("hmilyInterceptor()")
    public Object interceptTccMethod(final ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        return hmilyTransactionInterceptor.interceptor(proceedingJoinPoint);
    }
    /**
     * spring Order.
     *
     * @return int
     */
    public abstract int getOrder();
}

@Aspect
@Component
public class DubboHmilyTransactionAspect extends AbstractHmilyTransactionAspect implements Ordered {
    @Autowired
    public DubboHmilyTransactionAspect(final DubboHmilyTransactionInterceptor dubboHmilyTransactionInterceptor) {
        super.setHmilyTransactionInterceptor(dubboHmilyTransactionInterceptor);
    }
    @Override
    public int getOrder() {
        return Ordered.HIGHEST_PRECEDENCE;
    }
}

@Component
public class DubboHmilyTransactionInterceptor implements HmilyTransactionInterceptor {
    private final HmilyTransactionAspectService hmilyTransactionAspectService;
    @Autowired
    public DubboHmilyTransactionInterceptor(final HmilyTransactionAspectService hmilyTransactionAspectService) {
        this.hmilyTransactionAspectService = hmilyTransactionAspectService;
    }
  @Override
public Object interceptor(final ProceedingJoinPoint pjp) throws Throwable {
    final String context = RpcContext.getContext().getAttachment(CommonConstant.HMILY_TRANSACTION_CONTEXT);
    HmilyTransactionContext hmilyTransactionContext;
    //判斷dubbo上下文中是否攜帶了tcc事務(wù)，如果有就取出反序列化為事務(wù)上下文對(duì)象
    if (StringUtils.isNoneBlank(context)) {
        hmilyTransactionContext = GsonUtils.getInstance().fromJson(context, HmilyTransactionContext.class);
        RpcContext.getContext().getAttachments().remove(CommonConstant.HMILY_TRANSACTION_CONTEXT);
    } else {
        //如果dubbo上下文中沒有，就從當(dāng)前上下文中獲取。如果是事務(wù)發(fā)起者，這里其實(shí)也獲取不到事務(wù)
        hmilyTransactionContext = HmilyTransactionContextLocal.getInstance().get();
    }
    return hmilyTransactionAspectService.invoke(hmilyTransactionContext, pjp);
}
}

public Object handler(final ProceedingJoinPoint point, final HmilyTransactionContext context)
        throws Throwable {
    System.err.println("StarterHmilyTransactionHandler");
    Object returnValue;
    try {
        HmilyTransaction hmilyTransaction = hmilyTransactionExecutor.begin(point);
        try {
            //execute try
            returnValue = point.proceed();
            hmilyTransaction.setStatus(HmilyActionEnum.TRYING.getCode());
            hmilyTransactionExecutor.updateStatus(hmilyTransaction);
        } catch (Throwable throwable) {
            //if exception ,execute cancel
            final HmilyTransaction currentTransaction = hmilyTransactionExecutor.getCurrentTransaction();
            executor.execute(() -> hmilyTransactionExecutor
                    .cancel(currentTransaction));
            throw throwable;
        }
        //execute confirm
        final HmilyTransaction currentTransaction = hmilyTransactionExecutor.getCurrentTransaction();
        executor.execute(() -> hmilyTransactionExecutor.confirm(currentTransaction));
    } finally {
        HmilyTransactionContextLocal.getInstance().remove();
        hmilyTransactionExecutor.remove();
    }
    return returnValue;
}

public void confirm(final HmilyTransaction currentTransaction) throws HmilyRuntimeException {
    LogUtil.debug(LOGGER, () -> "tcc confirm .......！start");
    if (Objects.isNull(currentTransaction) || CollectionUtils.isEmpty(currentTransaction.getHmilyParticipants())) {
        return;
    }
    currentTransaction.setStatus(HmilyActionEnum.CONFIRMING.getCode());
    updateStatus(currentTransaction);
    final ListhmilyParticipants = currentTransaction.getHmilyParticipants();
    ListfailList = Lists.newArrayListWithCapacity(hmilyParticipants.size());
    boolean success = true;
    if (CollectionUtils.isNotEmpty(hmilyParticipants)) {
        for (HmilyParticipant hmilyParticipant : hmilyParticipants) {
            try {
                HmilyTransactionContext context = new HmilyTransactionContext();
                context.setAction(HmilyActionEnum.CONFIRMING.getCode());
                context.setRole(HmilyRoleEnum.START.getCode());
                context.setTransId(hmilyParticipant.getTransId());
                HmilyTransactionContextLocal.getInstance().set(context);
                executeParticipantMethod(hmilyParticipant.getConfirmHmilyInvocation());
            } catch (Exception e) {
                LogUtil.error(LOGGER, "execute confirm :{}", () -> e);
                success = false;
                failList.add(hmilyParticipant);
            } finally {
                HmilyTransactionContextLocal.getInstance().remove();
            }
        }
        executeHandler(success, currentTransaction, failList);
    }
}

@Activate(group = {Constants.SERVER_KEY, Constants.CONSUMER})
public class DubboHmilyTransactionFilter implements Filter {
    private HmilyTransactionExecutor hmilyTransactionExecutor;
    /**
     * this is init by dubbo spi
     * set hmilyTransactionExecutor.
     *
     * @param hmilyTransactionExecutor {@linkplain HmilyTransactionExecutor }
     */
    public void setHmilyTransactionExecutor(final HmilyTransactionExecutor hmilyTransactionExecutor) {
        this.hmilyTransactionExecutor = hmilyTransactionExecutor;
    }
    @Override
    @SuppressWarnings("unchecked")
    public Result invoke(final Invoker invoker, final Invocation invocation) throws RpcException {
        String methodName = invocation.getMethodName();
        Class clazz = invoker.getInterface();
        Class[] args = invocation.getParameterTypes();
        final Object[] arguments = invocation.getArguments();
        converterParamsClass(args, arguments);
        Method method = null;
        Hmily hmily = null;
        try {
            method = clazz.getMethod(methodName, args);
            hmily = method.getAnnotation(Hmily.class);
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
        if (Objects.nonNull(hmily)) {
            try {
                final HmilyTransactionContext hmilyTransactionContext = HmilyTransactionContextLocal.getInstance().get();
                if (Objects.nonNull(hmilyTransactionContext)) {
                    if (hmilyTransactionContext.getRole() == HmilyRoleEnum.LOCAL.getCode()) {
                        hmilyTransactionContext.setRole(HmilyRoleEnum.INLINE.getCode());
                    }
                    RpcContext.getContext().setAttachment(CommonConstant.HMILY_TRANSACTION_CONTEXT, GsonUtils.getInstance().toJson(hmilyTransactionContext));
                }
                final Result result = invoker.invoke(invocation);
                //if result has not exception
                if (!result.hasException()) {
                    final HmilyParticipant hmilyParticipant = buildParticipant(hmilyTransactionContext, hmily, method, clazz, arguments, args);
                    if (hmilyTransactionContext.getRole() == HmilyRoleEnum.INLINE.getCode()) {
                        hmilyTransactionExecutor.registerByNested(hmilyTransactionContext.getTransId(),
                                hmilyParticipant);
                    } else {
                        hmilyTransactionExecutor.enlistParticipant(hmilyParticipant);
                    }
                } else {
                    throw new HmilyRuntimeException("rpc invoke exception{}", result.getException());
                }
                return result;
            } catch (RpcException e) {
                e.printStackTrace();
                throw e;
            }
        } else {
            return invoker.invoke(invocation);
        }
    }
    @SuppressWarnings("unchecked")
    private HmilyParticipant buildParticipant(final HmilyTransactionContext hmilyTransactionContext,
                                              final Hmily hmily,
                                              final Method method, final Class clazz,
                                              final Object[] arguments, final Class... args) throws HmilyRuntimeException {
        if (Objects.isNull(hmilyTransactionContext)
                || (HmilyActionEnum.TRYING.getCode() != hmilyTransactionContext.getAction())) {
            return null;
        }
        //獲取協(xié)調(diào)方法
        String confirmMethodName = hmily.confirmMethod();
        if (StringUtils.isBlank(confirmMethodName)) {
            confirmMethodName = method.getName();
        }
        String cancelMethodName = hmily.cancelMethod();
        if (StringUtils.isBlank(cancelMethodName)) {
            cancelMethodName = method.getName();
        }
        HmilyInvocation confirmInvocation = new HmilyInvocation(clazz, confirmMethodName, args, arguments);
        HmilyInvocation cancelInvocation = new HmilyInvocation(clazz, cancelMethodName, args, arguments);
        //封裝調(diào)用點(diǎn)
        return new HmilyParticipant(hmilyTransactionContext.getTransId(), confirmInvocation, cancelInvocation);
    }
    private void converterParamsClass(final Class[] args, final Object[] arguments) {
        if (arguments == null || arguments.length < 1) {
            return;
        }
        for (int i = 0; i < arguments.length; i++) {
            args[i] = arguments[i].getClass();
        }
    }
}

public Object handler(final ProceedingJoinPoint point, final HmilyTransactionContext context) throws Throwable {
    HmilyTransaction hmilyTransaction = null;
    HmilyTransaction currentTransaction;
    switch (HmilyActionEnum.acquireByCode(context.getAction())) {
        case TRYING:
            try {
                hmilyTransaction = hmilyTransactionExecutor.beginParticipant(context, point);
                final Object proceed = point.proceed();
                hmilyTransaction.setStatus(HmilyActionEnum.TRYING.getCode());
                //update log status to try
                hmilyTransactionExecutor.updateStatus(hmilyTransaction);
                return proceed;
            } catch (Throwable throwable) {
                //if exception ,delete log.
                hmilyTransactionExecutor.deleteTransaction(hmilyTransaction);
                throw throwable;
            } finally {
               HmilyTransactionContextLocal.getInstance().remove();
            }
        case CONFIRMING:
            currentTransaction = HmilyTransactionCacheManager.getInstance().getTccTransaction(context.getTransId());
            hmilyTransactionExecutor.confirm(currentTransaction);
            break;
        case CANCELING:
            currentTransaction = HmilyTransactionCacheManager.getInstance().getTccTransaction(context.getTransId());
            hmilyTransactionExecutor.cancel(currentTransaction);
            break;
        default:
            break;
    }
    Method method = ((MethodSignature) (point.getSignature())).getMethod();
    logger.error(HmilyActionEnum.acquireByCode(context.getAction()).getDesc());
    return DefaultValueUtils.getDefaultValue(method.getReturnType());
}