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 {
                RpcResult result = new RpcResult();
                try {
                    RemoteInvocation i = new RemoteInvocation();
                    i.setMethodName(invocation.getMethodName());
                    i.setParameterTypes(invocation.getParameterTypes());
                    i.setArguments(invocation.getArguments());
                    result.setValue(((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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            throw setRpcExceptionCode(e.getCause(), e);
        } catch (HessianException e) {
            throw setRpcExceptionCode(e, new RpcException("Failed to invoke remote service: " + getInterface() + ", method: "
                    + invocation.getMethodName() + ", cause: " + e.getMessage(), e));
        } catch (Throwable e) {
            return new RpcResult(e);
        }
    }
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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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                    }
                }
                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_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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            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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                    // 是Dubbo本身的异常，直接抛出
                    if (exception instanceof RpcException) {
                        return result;
                    }
                    // 否则，包装成RuntimeException抛给客户端
                    return new RpcResult(new RuntimeException(StringUtils.toString(exception)));
                } catch (Throwable e) {
                    logger.warn(e.getMessage(), e);
                    return result;
                }
            }
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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.getResult()));
            } 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.getResult();
                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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                }
                args = PojoUtils.realize(args, params);
                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.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);
                }
            } 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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Related Classes of com.alibaba.dubbo.rpc.RpcResult

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  • com.alibaba.dubbo.rpc.cluster.support.FailsafeClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvoker
  • com.alibaba.dubbo.rpc.cluster.support.MergeableClusterInvokerTest
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  • 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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