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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    protected static final Logger logger = LoggerFactory.getLogger(FutureFilter.class);

    public Result invoke(final Invoker<?> invoker, final Invocation invocation) throws RpcException {
        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 (invoker.getUrl().getMethodParameter(invocation.getMethodName(), Constants.ASYNC_KEY, false)) {
            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.getResult());
                    }
                }
                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("prompt", "telnet");
                                channel.send("\r\n" + RpcContext.getContext().getRemoteAddress() + " -> " 
                                         + invoker.getInterface().getName()
                                         + "." + invocation.getMethodName()
                                         + "(" + JSON.json(invocation.getArguments()) + ")" + " -> " + JSON.json(result.getResult())
                                         + "\r\nelapsed: "+(end - start) +" ms."
                                         + "\r\n\r\n" + prompt + "> ");
                            }
                            if(count >= max - 1) {
                                channels.remove(channel);
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        return inv;
    }

    @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.getResult();
            if (ret == null) {
                out.writeByte(RESPONSE_NULL_VALUE);
            } else {
                out.writeByte(RESPONSE_VALUE);
                out.writeObject(ret);
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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.getResult();
            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();
                    try {
                        Method method = invoker.getInterface().getMethod(invocation.getMethodName(), invocation.getParameterTypes());
                        Class<?>[] exceptionClassses = method.getExceptionTypes();
                        for (Class<?> exceptionClass : exceptionClassses) {
                            if (exception.getClass().equals(exceptionClass)) {
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            }
        }
        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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        }
        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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