Examples with RpcException com.duangframework.core.exceptions.RpcException used on opensource projects

Example 1 with RpcException

use of com.duangframework.core.exceptions.RpcException in project duangframework by tcrct.

the class RpcFactory method initClient.

/**
 * 初始化RPC客户端，即消费者，生成代理类
 * @param classSet
 */
public static void initClient(Set<Class<?>> classSet) {
    if (ToolsKit.isEmpty(classSet)) {
        return;
    }
    try {
        for (Class<?> clientCls : classSet) {
            if (!clientCls.isInterface()) {
                continue;
            }
            List<IProxy> proxyList = new ArrayList<>();
            proxyList.add(new RpcClientProxy());
            Object proxyObj = ProxyManager.createProxy(clientCls, proxyList);
            if (null != proxyObj) {
                // 再将该代理类存放在BeanUtils里，让框架在执行IocHepler时注入到对应的Service
                BeanUtils.setBean2Map(clientCls, proxyObj);
                // 取出产品代号
                Rpc rpc = clientCls.getAnnotation(Rpc.class);
                watchNodePath.add(RpcUtils.getZookNotePath(rpc.productcode()));
            }
        }
    } catch (Exception e) {
        throw new RpcException("RpcFactory newProxyInstance is fail : " + e.getMessage(), e);
    }
}

Example 2 with RpcException

use of com.duangframework.core.exceptions.RpcException in project duangframework by tcrct.

the class JdkSerializableUtil method deserialize.

private static <T> T deserialize(final InputStream inputStream) {
    if (inputStream == null) {
        throw new IllegalArgumentException("The InputStream must not be null");
    }
    ObjectInputStream in = null;
    try {
        in = new ObjectInputStream(inputStream);
        @SuppressWarnings("unchecked") final T obj = (T) in.readObject();
        return obj;
    } catch (final ClassCastException ex) {
        throw new RpcException(ex);
    } catch (final ClassNotFoundException ex) {
        throw new RpcException(ex);
    } catch (final IOException ex) {
        throw new RpcException(ex);
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (final IOException ex) {
            ex.printStackTrace();
        }
    }
}

Example 3 with RpcException

use of com.duangframework.core.exceptions.RpcException in project duangframework by tcrct.

the class RpcUtils method autoCreateBatchInterface.

/**
 * 自动创建Service类的接口文件
 * RPC模块文件夹路径，即是接口文件存在的父目录
 */
public static void autoCreateBatchInterface() throws Exception {
    try {
        // 自定义目录
        String customizeDir = ConfigKit.duang().key("rpc.module.customdir").defaultValue("provider").asString();
        AutoBuildServiceInterface.createBatchInterface(RpcUtils.getRpcModulePath(customizeDir), customizeDir);
    } catch (Exception e) {
        throw new RpcException(e.getMessage(), e);
    }
}

Example 4 with RpcException

use of com.duangframework.core.exceptions.RpcException in project duangframework by tcrct.

the class RpcClient method call.

/**
 * 调用运程方法
 * @param request   rpc请求对象，封装请求的参数，参数类型等
 * @param action     rpc生产者对象，封装了生产者或者说是要调用的方法的类名，方法名，IP地址，端口等
 * @return                  处理结果 RpcResponse对象
 * @throws Exception
 */
public RpcResponse call(RpcRequest request, RpcAction action) throws Exception {
    // 这里要用内网的IP地址
    Channel channel = getChannel(action.getIntranetip(), action.getPort());
    RpcResponse response = null;
    // 先初始化一个以请求ID为KEY的响应阵列到集合中
    final String requestId = request.getRequestId();
    // 将请求结果预存到MAP中，以请求ID为key
    RESPONSE_MAP.put(requestId, new LinkedBlockingQueue<RpcResponse>(1));
    try {
        if (channel.isOpen()) {
            MessageHolder<RpcRequest> messageHolder = new MessageHolder<RpcRequest>(Protocol.REQUEST, Protocol.OK, request);
            ChannelFuture writeFuture = channel.writeAndFlush(messageHolder).sync();
            writeFuture.addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    // 如果返回正常，则直接退出
                    if (future.isSuccess()) {
                        return;
                    } else {
                        String errorMsg = "Send request[" + requestId + "] to [" + future.channel().toString() + "] is error: " + future.cause().toString();
                        throw new RpcException(errorMsg);
                    }
                }
            });
        } else {
            logger.warn("channel.isClose: " + channel.remoteAddress());
        }
        response = getRpcResponse(requestId, request.getTimeout());
        if (null != response) {
            logger.warn("poll time: " + (System.currentTimeMillis() - response.getRequestStartTime()) + " ms");
        }
    } catch (Exception e) {
        response = createExceptionRpcResponse(action, e, requestId);
    } finally {
        // 无论成功与否，都必须移除集合中指定KEY的队列
        RESPONSE_MAP.remove(requestId);
    }
    return response;
}

Example 5 with RpcException

use of com.duangframework.core.exceptions.RpcException in project duangframework by tcrct.

the class AutoBuildServiceInterface method toGenericString.

/**
 * 构建方法内容字符串，包括方法名，参数名<br/>
 * @param method                 方法对象
 * @param variableNames      参数集合
 * @return
 */
private static String toGenericString(Method method, List<String> variableNames) {
    try {
        StringBuilder sb = new StringBuilder();
        int mod = method.getModifiers() & Modifier.methodModifiers();
        if (mod != 0) {
            sb.append(Modifier.toString(mod)).append(" ");
        }
        TypeVariable<?>[] typeparms = method.getTypeParameters();
        if (ToolsKit.isNotEmpty(typeparms) && typeparms.length > 0) {
            boolean first = true;
            sb.append("<");
            for (TypeVariable<?> typeparm : typeparms) {
                if (!first) {
                    sb.append(",");
                }
                sb.append(typeparm.toString());
                first = false;
            }
            sb.append("> ");
        }
        // 方法的返回类型
        Type genRetType = method.getGenericReturnType();
        sb.append(((genRetType instanceof Class<?>) ? getTypeName((Class<?>) genRetType) : genRetType.toString())).append(" ");
        sb.append(getTypeName(method.getDeclaringClass())).append(".");
        sb.append(method.getName()).append("(");
        Type[] params = method.getGenericParameterTypes();
        if (ToolsKit.isNotEmpty(params)) {
            for (int j = 0; j < params.length; j++) {
                String param = (params[j] instanceof Class) ? getTypeName((Class) params[j]) : params[j].toString();
                if (method.isVarArgs() && (j == params.length - 1)) {
                    param = param.replaceFirst("\\[\\]$", "...");
                }
                sb.append(param);
                if (j < (params.length - 1)) {
                    sb.append(" " + variableNames.get(j) + ", ");
                }
            }
            sb.append(" " + variableNames.get(params.length - 1));
        }
        sb.append(")");
        Type[] exceptions = method.getGenericExceptionTypes();
        if (ToolsKit.isNotEmpty(exceptions) && exceptions.length > 0) {
            sb.append(" throws ");
            for (int k = 0; k < exceptions.length; k++) {
                sb.append((exceptions[k] instanceof Class) ? ((Class) exceptions[k]).getName() : exceptions[k].toString());
                if (k < (exceptions.length - 1)) {
                    sb.append(",");
                }
            }
        }
        return (sb.length() > -1) ? sb.toString() : "";
    } catch (Exception e) {
        throw new RpcException(e.getMessage(), e);
    }
}