Package com.alibaba.dubbo.rpc

Examples of com.alibaba.dubbo.rpc.Result

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                                    .append(" and your message type is ")
                                    .append(args[i].getClass()).toString());
                        }
                    }
                }
                Result result = invoker.invoke(new RpcInvocation(method, args, inv.getAttachments()));
                if (result.hasException()
                        && ! (result.getException() instanceof GenericException)) {
                    return new RpcResult(new GenericException(result.getException()));
                }
                if (ProtocolUtils.isJavaGenericSerialization(generic)) {
                    try {
                        UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream(512);
                        ExtensionLoader.getExtensionLoader(Serialization.class)
                            .getExtension(Constants.GENERIC_SERIALIZATION_NATIVE_JAVA)
                            .serialize(null, os).writeObject(result.getValue());
                        return new RpcResult(os.toByteArray());
                    } catch (IOException e) {
                        throw new RpcException("Serialize result failed.", e);
                    }
                } else {
                    return new RpcResult(PojoUtils.generalize(result.getValue()));
                }
            } catch (NoSuchMethodException e) {
                throw new RpcException(e.getMessage(), e);
            } catch (ClassNotFoundException e) {
                throw new RpcException(e.getMessage(), e);
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            Object[] args = PojoUtils.generalize(arguments);

            invocation2.setMethodName(Constants.$INVOKE);
            invocation2.setParameterTypes(GENERIC_PARAMETER_TYPES);
            invocation2.setArguments(new Object[] {methodName, types, args});
            Result result = invoker.invoke(invocation2);

            if (! result.hasException()) {
                Object value = result.getValue();
                try {
                    Method method = invoker.getInterface().getMethod(methodName, parameterTypes);
                    return new RpcResult(PojoUtils.realize(value, method.getReturnType(), method.getGenericReturnType()));
                } catch (NoSuchMethodException e) {
                    throw new RpcException(e.getMessage(), e);
                }
            } else if (result.getException() instanceof GenericException) {
                GenericException exception = (GenericException) result.getException();
                try {
                    String className = exception.getExceptionClass();
                    Class<?> clazz = ReflectUtils.forName(className);
                    Throwable targetException = null;
                    Throwable lastException = null;
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        final Invoker<T> tagert = proxyFactory.getInvoker(doRefer(type, url), type, url);
        Invoker<T> invoker = new AbstractInvoker<T>(type, url) {
            @Override
            protected Result doInvoke(Invocation invocation) throws Throwable {
                try {
                    Result result = tagert.invoke(invocation);
                    Throwable e = result.getException();
                    if (e != null) {
                        for (Class<?> rpcException : rpcExceptions) {
                            if (rpcException.isAssignableFrom(e.getClass())) {
                                throw getRpcException(type, url, invocation, e);
                            }
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public class CompatibleFilter implements Filter {
   
    private static Logger logger = LoggerFactory.getLogger(CompatibleFilter.class);

    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        Result result = invoker.invoke(invocation);
        if (! invocation.getMethodName().startsWith("$") && ! result.hasException()) {
            Object value = result.getValue();
            if (value != null) {
                try {
                    Method method = invoker.getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes());
                    Class<?> type = method.getReturnType();
                    Object newValue;
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        this.logger = logger;
    }
   
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        try {
            Result result = invoker.invoke(invocation);
            if (result.hasException() && GenericService.class != invoker.getInterface()) {
                try {
                    Throwable exception = result.getException();

                    // 如果是checked异常，直接抛出
                    if (! (exception instanceof RuntimeException) && (exception instanceof Exception)) {
                        return result;
                    }
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    public Result invoke(final Invoker<?> invoker, final Invocation invocation) throws RpcException {
      final boolean isAsync = RpcUtils.isAsync(invoker.getUrl(), invocation);
       
      fireInvokeCallback(invoker, invocation);
        //需要在调用前配置好是否有返回值，已供invoker判断是否需要返回future.
        Result result = invoker.invoke(invocation);
        if (isAsync) {
            asyncCallback(invoker, invocation);
        } else {
            syncCallback(invoker, invocation, result);
        }
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                    ///must be rpcResult
                    if (! (rpcResult instanceof Result)){
                        logger.error(new IllegalStateException("invalid result type :" + rpcResult.getClass() + ", expected "+Result.class.getName()));
                        return;
                    }
                    Result result = (Result) rpcResult;
                    if (result.hasException()) {
                        fireThrowCallback(invoker, invocation, result.getException());
                    } else {
                        fireReturnCallback(invoker, invocation, result.getValue());
                    }
                }
                public void caught(Throwable exception) {
                    fireThrowCallback(invoker, invocation, exception);
                }
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        }
    }
   
    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        long start = System.currentTimeMillis();
        Result result = invoker.invoke(invocation);
        long end = System.currentTimeMillis();
        if (tracers.size() > 0) {
            String key = invoker.getInterface().getName() + "." + invocation.getMethodName();
            Set<Channel> channels = tracers.get(key);
            if (channels == null || channels.size() == 0) {
                key = invoker.getInterface().getName();
                channels = tracers.get(key);
            }
            if (channels != null && channels.size() > 0) {
                for (Channel channel : new ArrayList<Channel>(channels)) {
                    if (channel.isConnected()) {
                        try {
                            int max = 1;
                            Integer m = (Integer) channel.getAttribute(TRACE_MAX);
                            if (m != null) {
                                max = (int) m;
                            }
                            int count = 0;
                            AtomicInteger c = (AtomicInteger) channel.getAttribute(TRACE_COUNT);
                            if (c == null) {
                                c = new AtomicInteger();
                                channel.setAttribute(TRACE_COUNT, c);
                            }
                            count = c.getAndIncrement();
                            if (count < max) {
                                String prompt = channel.getUrl().getParameter(Constants.PROMPT_KEY, Constants.DEFAULT_PROMPT);
                                channel.send("\r\n" + RpcContext.getContext().getRemoteAddress() + " -> " 
                                         + invoker.getInterface().getName()
                                         + "." + invocation.getMethodName()
                                         + "(" + JSON.json(invocation.getArguments()) + ")" + " -> " + JSON.json(result.getValue())
                                         + "\r\nelapsed: "+(end - start) +" ms."
                                         + "\r\n\r\n" + prompt);
                            }
                            if(count >= max - 1) {
                                channels.remove(channel);
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        }
        long begin = System.currentTimeMillis();
        boolean isException = false;
        RpcStatus.beginCount(url, methodName);
        try {
            Result result = invoker.invoke(invocation);
            return result;
        } catch (Throwable t) {
            isException = true;
            if(t instanceof RuntimeException) {
                throw (RuntimeException) t;
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            Object[] args = PojoUtils.generalize(arguments);
           
            invocation2.setMethodName(Constants.$INVOKE);
            invocation2.setParameterTypes(GENERIC_PARAMETER_TYPES);
            invocation2.setArguments(new Object[] {methodName, types, args});
            Result result = invoker.invoke(invocation2);
           
            if (! result.hasException()) {
                Object value = result.getValue();
                try {
                    Method method = invoker.getInterface().getMethod(methodName, parameterTypes);
                    return new RpcResult(PojoUtils.realize(value, method.getReturnType(), method.getGenericReturnType()));
                } catch (NoSuchMethodException e) {
                    throw new RpcException(e.getMessage(), e);
                }
            } else if (result.getException() instanceof GenericException) {
                GenericException exception = (GenericException) result.getException();
                try {
                    String className = exception.getExceptionClass();
                    Class<?> clazz = ReflectUtils.forName(className);
                    Throwable targetException = null;
                    Throwable lastException = null;
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  • com.alibaba.dubbo.rpc.cluster.support.FailfastClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker
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