Package com.alibaba.dubbo.rpc

Examples of com.alibaba.dubbo.rpc.Result

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        if (invoker.getUrl().hasParameter(Constants.MONITOR_KEY)) {
            RpcContext context = RpcContext.getContext(); // 提供方必须在invoke()之前获取context信息
            long start = System.currentTimeMillis(); // 记录起始时间戮
            getConcurrent(invoker, invocation).incrementAndGet(); // 并发计数
            try {
                Result result = invoker.invoke(invocation); // 让调用链往下执行
                collect(invoker, invocation, context, start, false);
                return result;
            } catch (RpcException e) {
                collect(invoker, invocation, context, start, true);
                throw e;
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        if (invoker.getUrl().hasParameter(Constants.MONITOR_KEY)) {
            RpcContext context = RpcContext.getContext(); // 提供方必须在invoke()之前获取context信息
            long start = System.currentTimeMillis(); // 记录起始时间戮
            getConcurrent(invoker, invocation).incrementAndGet(); // 并发计数
            try {
                Result result = invoker.invoke(invocation); // 让调用链往下执行
                collect(invoker, invocation, context, start, false);
                return result;
            } catch (RpcException e) {
                collect(invoker, invocation, context, start, true);
                throw e;
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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;
                    }
                    // 在方法签名上有声明，直接抛出
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                Class<?>[] params = method.getParameterTypes();
                if (args == null) {
                    args = new Object[params.length];
                }
                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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            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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        if (invoker.getUrl().hasParameter(Constants.MONITOR_KEY)) {
            RpcContext context = RpcContext.getContext(); // 提供方必须在invoke()之前获取context信息
            long start = System.currentTimeMillis(); // 记录起始时间戮
            getConcurrent(invoker, invocation).incrementAndGet(); // 并发计数
            try {
                Result result = invoker.invoke(invocation); // 让调用链往下执行
                collect(invoker, invocation, result, context, start, false);
                return result;
            } catch (RpcException e) {
                collect(invoker, invocation, null, context, start, true);
                throw e;
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                if (cache != null && key != null) {
                    Object value = cache.get(key);
                    if (value != null) {
                        return new RpcResult(value);
                    }
                    Result result = invoker.invoke(invocation);
                    if (! result.hasException()) {
                        cache.put(key, result.getValue());
                    }
                    return result;
                }
            }
        }
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        out.writeObject(inv.getAttachments());
    }

    @Override
    protected void encodeResponseData(Channel channel, ObjectOutput out, Object data) throws IOException {
        Result result = (Result) data;

        Throwable th = result.getException();
        if (th == null) {
            Object ret = result.getValue();
            if (ret == null) {
                out.writeByte(RESPONSE_NULL_VALUE);
            } else {
                out.writeByte(RESPONSE_VALUE);
                out.writeObject(ret);
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        }
        try {
            long begin = System.currentTimeMillis();
            RpcStatus.beginCount(url, methodName);
            try {
                Result result = invoker.invoke(invocation);
                RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, true);
                return result;
            } catch (RuntimeException t) {
                RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, false);
                throw t;
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    private static final Logger logger = LoggerFactory.getLogger(TimeoutFilter.class);

    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        long start = System.currentTimeMillis();
        Result result = invoker.invoke(invocation);
        long elapsed = System.currentTimeMillis() - start;
        if (invoker.getUrl() != null
                && elapsed > invoker.getUrl().getMethodParameter(invocation.getMethodName(),
                        "timeout", Integer.MAX_VALUE)) {
            if (logger.isWarnEnabled()) {
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Related Classes of com.alibaba.dubbo.rpc.Result

  • com.alibaba.dubbo.cache.filter.CacheFilter
  • com.alibaba.dubbo.monitor.support.MonitorFilter
  • com.alibaba.dubbo.rpc.cluster.support.BroadcastClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.FailbackClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.FailfastClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.FailSafeClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.ForkingClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.ForkingClusterInvokerTest
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