Package com.alibaba.dubbo.rpc

Examples of com.alibaba.dubbo.rpc.RpcResult

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                }
                args = PojoUtils.realize(args, params, method.getGenericParameterTypes());
                Result result = invoker.invoke(new RpcInvocation(method, args, inv.getAttachments()));
                if (result.hasException()
                        && ! (result.getException() instanceof GenericException)) {
                    return new RpcResult(new GenericException(result.getException()));
                }
                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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            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;
                    try {
                        targetException = (Throwable) clazz.newInstance();
                    } catch (Throwable e) {
                        lastException = e;
                        for (Constructor<?> constructor : clazz.getConstructors()) {
                            try {
                                targetException = (Throwable) constructor.newInstance(new Object[constructor.getParameterTypes().length]);
                                break;
                            } catch (Throwable e1) {
                                lastException = e1;
                            }
                        }
                    }
                    if (targetException != null) {
                        try {
                            Field field = Throwable.class.getDeclaredField("detailMessage");
                            if (! field.isAccessible()) {
                                field.setAccessible(true);
                            }
                            field.set(targetException, exception.getExceptionMessage());
                        } catch (Throwable e) {
                            logger.warn(e.getMessage(), e);
                        }
                        result = new RpcResult(targetException);
                    } else if (lastException != null) {
                        throw lastException;
                    }
                } catch (Throwable e) {
                    throw new RpcException("Can not deserialize exception " + exception.getExceptionClass() + ", message: " + exception.getExceptionMessage(), e);
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            int timeout = getUrl().getMethodParameter(methodName, Constants.TIMEOUT_KEY,Constants.DEFAULT_TIMEOUT);
            if (isOneway) {
              boolean isSent = getUrl().getMethodParameter(methodName, Constants.SENT_KEY, false);
                currentClient.send(inv, isSent);
                RpcContext.getContext().setFuture(null);
                return new RpcResult();
            } else if (isAsync) {
              ResponseFuture future = currentClient.request(inv, timeout) ;
                RpcContext.getContext().setFuture(new FutureAdapter<Object>(future));
                return new RpcResult();
            } else {
              RpcContext.getContext().setFuture(null);
                return (Result) currentClient.request(inv, timeout).get();
            }
        } catch (TimeoutException e) {
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        ExchangeClient currentClient = new HeaderExchangeClient(new ChannelWrapper(this.channel));

        try {
            if (getUrl().getMethodParameter(invocation.getMethodName(), Constants.ASYNC_KEY, false)) { // 不可靠异步
                currentClient.send(inv,getUrl().getMethodParameter(invocation.getMethodName(), Constants.SENT_KEY, false));
                return new RpcResult();
            }
            int timeout = getUrl().getMethodParameter(invocation.getMethodName(),
                    Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT);
            if (timeout > 0) {
                return (Result) currentClient.request(inv, timeout).get();
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                }
                mock = mock.replace('`', '"');
                try {
                    Type[] returnTypes = RpcUtils.getReturnTypes(invocation);
                    Object value = parseMockValue(mock, returnTypes);
                    return new RpcResult(value);
                } catch (Exception ew) {
                }
            }
            throw e;
        }
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    }
   
    @Override
    protected Object decodeResponseData(Channel channel, ObjectInput in, Object request) throws IOException {
        Invocation invocation = (Invocation) request;
        RpcResult result = new RpcResult();

        byte flag = in.readByte();
        switch (flag) {
            case RESPONSE_NULL_VALUE:
                break;
            case RESPONSE_VALUE:
                try {
                    Type[] returnType = RpcUtils.getReturnTypes(invocation);
                    result.setResult(returnType == null || returnType.length == 0 ? in.readObject() :
                        (returnType.length == 1 ? in.readObject((Class<?>)returnType[0])
                                : in.readObject((Class<?>)returnType[0], returnType[1])));
                } catch (ClassNotFoundException e) {
                    throw new IOException(StringUtils.toString("Read response data failed.", e));
                }
                break;
            case RESPONSE_WITH_EXCEPTION:
                try {
                    Object obj = in.readObject();
                    if (obj instanceof Throwable == false) throw new IOException("Response data error, expect Throwable, but get " + obj);
                    result.setException((Throwable) obj);
                } catch (ClassNotFoundException e) {
                    throw new IOException(StringUtils.toString("Read response data failed.", e));
                }
                break;
            default:
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            public boolean isAvailable() {
                return true;
            }

            public Result invoke(Invocation invocation) throws RpcException {
                RpcResult result = new RpcResult();
                try {
                    RemoteInvocation i = new RemoteInvocation();
                    i.setMethodName(invocation.getMethodName());
                    i.setParameterTypes(invocation.getParameterTypes());
                    i.setArguments(invocation.getArguments());
                    result.setResult(((RmiInvocationHandler) remote).invoke(i));
                } catch (InvocationTargetException e) {
                    result.setException(e.getTargetException());
                } catch (Exception e) {
                    throw new RpcException(StringUtils.toString(e), e);
                }
                return result;
            }
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    }

    @Override
    protected Object decodeResponseData(Channel channel, ObjectInput in, Object request) throws IOException {
        Invocation invocation = (Invocation) request;
        RpcResult result = new RpcResult();

        byte flag = in.readByte();
        switch (flag) {
            case RESPONSE_NULL_VALUE:
                break;
            case RESPONSE_VALUE:
                try {
                    Type[] returnType = getReturnType(invocation);
                    result.setResult(returnType == null || returnType.length == 0 ? in.readObject() :
                        (returnType.length == 1 ? in.readObject((Class<?>)returnType[0])
                                : in.readObject((Class<?>)returnType[0], returnType[1])));
                } catch (ClassNotFoundException e) {
                    throw new IOException(StringUtils.toString("Read response data failed.", e));
                }
                break;
            case RESPONSE_WITH_EXCEPTION:
                try {
                    Object obj = in.readObject();
                    if (obj instanceof Throwable == false) throw new IOException("Response data error, expect Throwable, but get " + obj);
                    result.setException((Throwable) obj);
                } catch (ClassNotFoundException e) {
                    throw new IOException(StringUtils.toString("Read response data failed.", e));
                }
                break;
            default:
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                } else {
                    boolean isSent = getUrl().getMethodParameter(methodName, Constants.SENT_KEY, false);
                    currentClient.send(inv, isSent);
                    RpcContext.getContext().setFuture(null);
                }
                return new RpcResult();
            }
            RpcContext.getContext().setFuture(null);
            return (Result) currentClient.request(inv, timeout).get();
        } catch (TimeoutException e) {
            throw new RpcException(RpcException.TIMEOUT_EXCEPTION, "Failed to invoke remote invocation " + invocation + " to " + getUrl() + ", cause: " + e.getMessage(), e);
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        ExchangeClient currentClient = new HeaderExchangeClient(new ChannelWrapper(this.channel));

        try {
            if (getUrl().getMethodParameter(invocation.getMethodName(), Constants.ASYNC_KEY, false)) { // 不可靠异步
                currentClient.send(inv,getUrl().getMethodParameter(invocation.getMethodName(), Constants.SENT_KEY, false));
                return new RpcResult();
            }
            int timeout = getUrl().getMethodParameter(invocation.getMethodName(),
                    Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT);
            if (timeout > 0) {
                return (Result) currentClient.request(inv, timeout).get();
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  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvokerTest
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  • com.alibaba.dubbo.rpc.filter.CompatibleFilter
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  • com.alibaba.dubbo.rpc.filter.ContextFilterTest
  • com.alibaba.dubbo.rpc.filter.EchoFilter
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