Package com.alibaba.dubbo.rpc

Examples of com.alibaba.dubbo.rpc.RpcResult

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                public boolean isAvailable() {
                    return true;
                }
                public Result invoke(Invocation invocation) throws RpcException {
                    try {
                        return new RpcResult(remoteObject.getClass().getMethod(invocation.getMethodName(), invocation.getParameterTypes()).invoke(remoteObject, invocation.getArguments()));
                    } catch (InvocationTargetException e) {
                        Throwable t = e.getTargetException();
                        if (t instanceof RemoteAccessException) {
                            t = ((RemoteAccessException)t).getCause();
                        }
                        if (t instanceof RemoteException) {
                            throw RmiInvoker.setRpcExceptionCode(t, new RpcException("Failed to invoke remote service: " + serviceType + ", method: "
                                    + invocation.getMethodName() + ", url: " + url + ", cause: " + t.getMessage(), t));
                        } else {
                            return new RpcResult(t);
                        }
                    } catch (Throwable e) {
                        if (e instanceof RemoteAccessException) {
                            e = ((RemoteAccessException)e).getCause();
                        }
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                    } else {
                        newValue = value;
                    }
                    if (newValue != value) {
                        result = new RpcResult(newValue);
                    }
                } catch (Throwable t) {
                    logger.warn(t.getMessage(), t);
                }
            }
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                    if (serviceFile == null || exceptionFile == null || serviceFile.equals(exceptionFile)){
                        return result;
                    }
                    //除上面二种情况外，server端打印日志，并包装成runtimeException抛给客户端
                    logger.error("Got unchecked and undeclare service method invoke exception: " + exception.getMessage(), exception);
                    return new RpcResult(new RuntimeException(StringUtils.toString(exception)));
                } catch (Throwable e) {
                    logger.warn(e.getMessage(), e);
                    return result;
                }
            }
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@Extension("echo")
public class EchoFilter implements Filter {

  public Result invoke(Invoker<?> invoker, Invocation inv) throws RpcException {
    if(inv.getMethodName().equals(Constants.$ECHO) && inv.getArguments() != null && inv.getArguments().length == 1 )
      return new RpcResult(inv.getArguments()[0]);
    return invoker.invoke(inv);
  }
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            return invoker.invoke(invocation);
        } catch (Throwable e) {
            logger.error("Failback to invoke " + invocation + ", wait for retry in background. Ignored exception: "
                                 + e.getMessage() + ", ", e);
            addFailed(invocation, this);
            return new RpcResult(); // ignore
        }
    }
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                    args = new Object[params.length];
                }
                args = PojoUtils.realize(args, params);
                Result result = invoker.invoke(new RpcInvocation(method, args, inv.getAttachments()));
                if (result.hasException()) {
                    return new RpcResult(new GenericException(result.getException()));
                }
                return new RpcResult(PojoUtils.generalize(result.getResult()));
            } catch (NoSuchMethodException e) {
                throw new RpcException(e.getMessage(), e);
            } catch (ClassNotFoundException e) {
                throw new RpcException(e.getMessage(), e);
            }
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            Result result = invoker.invoke(invocation2);
           
            if (! result.hasException()) {
                Object value = result.getResult();
                try {
                    return new RpcResult(PojoUtils.realize(value, invoker.getInterface().getMethod(methodName, parameterTypes).getReturnType()));
                } catch (NoSuchMethodException e) {
                    throw new RpcException(e.getMessage(), e);
                }
            }
            return result;
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        try {
            return doInvoke(invocation);
        } catch (InvocationTargetException e) { // biz exception
            Throwable te = e.getTargetException();
            if (te == null) {
                return new RpcResult(e);
            } else {
                if (te instanceof RpcException) {
                    ((RpcException) te).setCode(RpcException.BIZ_EXCEPTION);
                }
                return new RpcResult(te);
            }
        } catch (RpcException e) {
            if (e.isBiz()) {
                return new RpcResult(e);
            } else {
                throw e;
            }
        } catch (Throwable e) {
            return new RpcResult(e);
        }
    }
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                throw new RpcException("No provider available for service " + getInterface().getName() + " on consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion() + ", Please check whether the service do exist or version is right firstly, and check the provider has started.");
            Invoker<T> invoker = select(loadbalance, invocation, invokers, null);
            return invoker.invoke(invocation);
        } catch (Throwable e) {
            logger.error("Failsafe ignore exception: " + e.getMessage(), e);
            return new RpcResult(); // ignore
        }
    }
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        try {
            return doInvoke(invocation);
        } catch (InvocationTargetException e) { // biz exception
            Throwable te = e.getTargetException();
            if (te == null) {
                return new RpcResult(e);
            } else {
                if (te instanceof RpcException) {
                    ((RpcException) te).setCode(RpcException.BIZ_EXCEPTION);
                }
                return new RpcResult(te);
            }
        } catch (RpcException e) {
            if (e.isBiz()) {
                return new RpcResult(e);
            } else {
                throw e;
            }
        } catch (Throwable e) {
            return new RpcResult(e);
        }
    }
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Related Classes of com.alibaba.dubbo.rpc.RpcResult

  • com.alibaba.dubbo.cache.filter.CacheFilter
  • com.alibaba.dubbo.rpc.cluster.support.FailbackClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.FailsafeClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvokerTest
  • com.alibaba.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker
  • com.alibaba.dubbo.rpc.filter.CompatibleFilter
  • com.alibaba.dubbo.rpc.filter.CompatibleFilterFilterTest
  • com.alibaba.dubbo.rpc.filter.ContextFilterTest
  • com.alibaba.dubbo.rpc.filter.EchoFilter
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