金沙网址大全:GO语言eclipse开拓景况搭建,JAVA高

2019-10-08 20:04栏目:金沙网址大全
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一:大框架方面难题

RPC的实现

金沙网址大全 1

一、配置GO的情状变量

转移情势

1、Spring 事务的隔开分离性,并说说各样隔开性的分别

  1. RPC客户端

  2. RPC服务端

调用关系表明

流行稳固版 1.9.2 安装包 go1.9.2.windows-amd64.msi下载地址 ,嫌网速慢可到 此处下载,下载之后直接运维安装,安装路线就应用它私下认可的 C:Go 就能够,之后一起 Next 并成功安装。自1.8.0版本之后Go 语言只需求配备 GOPATH (GOPATH是寄放在个人书写代码的行事空间)就可以, GOROOT 和 Path 四个境况变量在安装完今后会自动生成。

通过wsdl生成服务端的法子总共有3种方法

解答:Spring事务详解

RPC客商端的完毕

  1. 劳动容器肩负运转,加载,运转服务提供者。

  2. 劳动提供者在运营时,向登记大旨登记自个儿提供的劳务。

  3. 服务开销者在运营时,向登记中央订阅自身所需的劳务。

金沙网址大全 2

l 使用soapUI生成

2、Spring事务的突然消失行为,并说说每种传播行为的分别

RPC客商端和RPC服务器端须求一个大同小异的接口类,RPC客商端通过三个代理类来调用RPC服务器端的函数

4. 挂号焦点重临服务提供者地址列表给顾客,如若有改观,注册中央将依赖长连接推送改动数据给买主。

GO情况变量

l 使用myeclipse的web service生成

解答:Spring事务详解

RpcConsumerImpl的实现......package com.alibaba.middleware.race.rpc.api.impl;import java.lang.reflect.InvocationHandler;import java.lang.reflect.Method;import java.lang.reflect.Proxy;import java.util.ArrayList;import java.util.HashMap;import java.util.LinkedList;import java.util.List;import java.util.Map;import java.util.UUID;import java.util.concurrent.atomic.AtomicLong;import com.alibaba.middleware.race.rpc.aop.ConsumerHook;import com.alibaba.middleware.race.rpc.api.RpcConsumer;import com.alibaba.middleware.race.rpc.async.ResponseCallbackListener;import com.alibaba.middleware.race.rpc.context.RpcContext;import com.alibaba.middleware.race.rpc.model.RpcRequest;import com.alibaba.middleware.race.rpc.model.RpcResponse;import com.alibaba.middleware.race.rpc.netty.RpcConnection;import com.alibaba.middleware.race.rpc.netty.RpcNettyConnection;import com.alibaba.middleware.race.rpc.tool.Tool;public class RpcConsumerImpl extends RpcConsumer implements InvocationHandler { private static AtomicLong callTimes = new AtomicLong; private RpcConnection connection; private List<RpcConnection> connection_list; private Map<String,ResponseCallbackListener> asyncMethods; private Class<?> interfaceClass; private String version; private int timeout; private ConsumerHook hook; public Class<?> getInterfaceClass() { return interfaceClass; } public String getVersion() { return version; } public int getTimeout() { this.connection.setTimeOut; return timeout; } public ConsumerHook getHook() { return hook; } RpcConnection select() { //Random rd=new Random(System.currentTimeMillis; int d= (callTimes.getAndIncrement()%(connection_list.size; if return connection; else { return connection_list.get; } } public RpcConsumerImpl() { //String ip=System.getProperty; String ip="127.0.0.1"; this.asyncMethods=new HashMap<String,ResponseCallbackListener>(); this.connection=new RpcNettyConnection; this.connection.connect(); connection_list=new ArrayList<RpcConnection>(); int num=Runtime.getRuntime().availableProcessors()/3 -2; for (int i = 0; i < num; i++) { connection_list.add(new RpcNettyConnection); } for (RpcConnection conn:connection_list) { conn.connect(); } } public void destroy() throws Throwable { if (null != connection) { connection.close(); } } @SuppressWarnings("unchecked") public <T> T proxy(Class<T> interfaceClass) throws Throwable { if (!interfaceClass.isInterface { throw new IllegalArgumentException(interfaceClass.getName() + " is not an interface"); } return Proxy.newProxyInstance(interfaceClass.getClassLoader(), new Class<?>[] { interfaceClass }, this); } @Override public RpcConsumer interfaceClass(Class<?> interfaceClass) { // TODO Auto-generated method stub this.interfaceClass=interfaceClass; return this; } @Override public RpcConsumer version(String version) { // TODO Auto-generated method stub this.version=version; return this; } @Override public RpcConsumer clientTimeout(int clientTimeout) { // TODO Auto-generated method stub this.timeout=clientTimeout; return this; } @Override public RpcConsumer hook(ConsumerHook hook) { // TODO Auto-generated method stub this.hook=hook; return this; } @Override public Object instance() { // TODO Auto-generated method stub try { return proxy(this.interfaceClass); } catch (Throwable e) { e.printStackTrace(); } return null; } @Override public void asynCall(String methodName) { // TODO Auto-generated method stub asynCall(methodName, null); } @Override public <T extends ResponseCallbackListener> void asynCall( String methodName, T callbackListener) { this.asyncMethods.put(methodName, callbackListener); this.connection.setAsyncMethod(asyncMethods); for (RpcConnection conn:connection_list) { conn.setAsyncMethod(asyncMethods); } } @Override public void cancelAsyn(String methodName) { // TODO Auto-generated method stub this.asyncMethods.remove(methodName); this.connection.setAsyncMethod(asyncMethods); for (RpcConnection conn:connection_list) { conn.setAsyncMethod(asyncMethods); } } @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { // TODO Auto-generated method stub List<String> parameterTypes = new LinkedList<String>(); for (Class<?> parameterType : method.getParameterTypes { parameterTypes.add(parameterType.getName; } RpcRequest request = new RpcRequest(); request.setRequestId(UUID.randomUUID().toString; request.setClassName(method.getDeclaringClass().getName; request.setMethodName(method.getName; request.setParameterTypes(method.getParameterTypes; request.setParameters; if(hook!=null) hook.before; RpcResponse response = null; try { request.setContext(RpcContext.props); response = (RpcResponse) select().Send(request,asyncMethods.containsKey(request.getMethodName; if(hook!=null) hook.after; if(!asyncMethods.containsKey(request.getMethodName&&response.getExption { Throwable e=(Throwable) Tool.deserialize(response.getExption(),response.getClazz; throw e.getCause(); } } catch (Throwable t) { //t.printStackTrace(); //throw new RuntimeException; throw t; } finally {// if(asyncMethods.containsKey(request.getMethodName&&asyncMethods.get(request.getMethodName// {// cancelAsyn(request.getMethodName;// } } if(response==null) { return null; } else if (response.getErrorMsg() != null) { throw response.getErrorMsg(); } else { return response.getAppResponse(); } }}

RpcConsumer consumer;consumer = (RpcConsumer) getConsumerImplClass().newInstance();consumer.someMethod();

5. 劳务花费者,从提供者地址列表中,基于软负载均衡算法,选一台提供者实行调用,假如调用失利,再选另一台调

金沙网址大全:GO语言eclipse开拓景况搭建,JAVA高工。二、eclipse IDE 体系选用与GoClipse安装

l使用wsdl2java.bat生成

3、hibernate跟Mybatis/ ibatis 的界别,为啥接纳?

因为consumer对象是因而代办生成的,所以当consumer调用的时候,就能够调用invoke函数,大家就足以把此次本地的函数调用的消息透过互联网发送到RPC服务器然后等待服务器再次回到的新闻后再回到。

用。

动用eclipse开采GO语言时,eclipse必得设置CDT(cdt是eclipse C/C++开采IDE插件),所以大家直接安装eclipse的C/C++ IDE 编辑器就能够

工具

解答:Hibernate与Mybatis的比较

服务器实现

6. 服务花费者和提供者,在内部存款和储蓄器中累计调用次数和调用时间,定期每分钟发先生送三次总括数据到监督宗旨。

金沙网址大全 3

l SoapUI 3.5.1

4、Struts跟Spring mvc的优缺点,让您选会怎么着选

RPC服务器重若是在收到RPC顾客端之后分析出RPC调用的接口名,函数名以及参数。

Dubbo 架构具有以下几天性状,分别是连通性、健壮性、伸缩性、以及向将来架构的进级性。

eclipse IDE for C/C++

l Myeclipse 10

金沙网址大全,解答:Spring MVC 与 Struts的区别

package com.alibaba.middleware.race.rpc.api.impl;import io.netty.channel.ChannelHandlerContext;import io.netty.channel.ChannelInboundHandlerAdapter;import java.lang.reflect.Method;import java.util.HashMap;import java.util.Map;import net.sf.cglib.reflect.FastClass;import net.sf.cglib.reflect.FastMethod;import com.alibaba.middleware.race.rpc.context.RpcContext;import com.alibaba.middleware.race.rpc.model.RpcRequest;import com.alibaba.middleware.race.rpc.model.RpcResponse;import com.alibaba.middleware.race.rpc.serializer.KryoSerialization;import com.alibaba.middleware.race.rpc.tool.ByteObjConverter;import com.alibaba.middleware.race.rpc.tool.ReflectionCache;import com.alibaba.middleware.race.rpc.tool.Tool;/** * 管理服务器收到的RPC哀告并赶回结果 * @author sei.zz * */public class 奥迪Q3pcRequestHandler extends ChannelInboundHandlerAdapter { //对应各种诉求ID和端口好 对应三个福特ExplorerpcContext的Map; private static Map<String,Map<String,Object>> ThreadLocalMap=new HashMap<String, Map<String,Object>>(); //服务端接口-已毕类的照耀表 private final Map<String, Object> handlerMap; KryoSerialization kryo=new KryoSerialization(); public ENCOREpcRequestHandler(Map<String, Object> handlerMap) { this.handlerMap = handlerMap; } @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { System.out.println; } @Override public void channelInactive(ChannelHandlerContext ctx) throws Exception { // TODO Auto-generated method stub System.out.println("disconnected"); } //更新科雷傲pcContext的类容 private void UpdateOdysseypcContext(String host,Map<String,Object> map) { if(ThreadLocalMap.containsKey { Map<String,Object> local=ThreadLocalMap.get; local.putAll;//把客商端的增添来 ThreadLocalMap.put(host, local);//放回去 for(Map.Entry<String, Object> entry:map.entrySet{ //更新变量 奥德赛pcContext.addProp(entry.getKey(), entry.getValue; } } else { ThreadLocalMap.put(host, map); //把对应线程的Context更新 for(Map.Entry<String, Object> entry:map.entrySet{ 奥迪Q5pcContext.addProp(entry.getKey(), entry.getValue; } } } //用来缓存住必要系列化的结果 private static Object cacheName=null; private static Object cacheVaule=null; @Override public void channelRead( ChannelHandlerContext ctx, Object msg) throws Exception { EscortpcRequest request=(HighlanderpcRequest)msg; String host=ctx.channel().remoteAddress().toString(); //更新上下文 Update普拉多pcContext(host,request.getContext; //TODO 获取接口名 函数名 参数 找到实现类 反射达成 OdysseypcResponse response = new 福特ExplorerpcResponse(); response.setRequestId(request.getRequestId; try { Object result = handle; if(cacheName!=null&&cacheName.equals { response.setAppResponse(cacheVaule); } else { response.setAppResponse(ByteObjConverter.ObjectToByte; cacheName=result; cacheVaule=ByteObjConverter.ObjectToByte; } } catch (Throwable t) { //response.setErrorMsg; response.setExption(Tool.serialize; response.setClazz(t.getClass; } ctx.writeAndFlush; } /** * 运行调用的函数重回结果 * @param request * @return * @throws Throwable */ private static 凯雷德pcRequest methodCacheName=null; private static Object methodCacheValue=null; private Object handle(LX570pcRequest request) throws Throwable { String className = request.getClassName(); Object classimpl = handlerMap.get(className);//通过类名找达到成的类 Class<?> clazz = classimpl.getClass(); String methodName = request.getMethodName(); Class<?>[] parameterTypes = request.getParameterTypes(); Object[] parameters = request.getParameters();// Method method = ReflectionCache.getMethod(clazz.getName(),methodName, parameterTypes);// method.setAccessible; //System.out.println(className+":"+methodName+":"+parameters.length); if(methodCacheName!=null&&methodCacheName.equals { return methodCacheValue; } else { try { methodCacheName=request; if(methodMap.containsKey(methodName)) { methodCacheValue= methodMap.get(methodName).invoke(classimpl, parameters); return methodCacheValue; } else { FastClass serviceFastClass = FastClass.create; FastMethod serviceFastMethod = serviceFastClass.getMethod(methodName, parameterTypes); methodMap.put(methodName, serviceFastMethod); methodCacheValue= serviceFastMethod.invoke(classimpl, parameters); return methodCacheValue; } //return method.invoke(classimpl, parameters); } catch (Throwable e) { throw e.getCause(); } } } private Map<String,FastMethod> methodMap=new HashMap<String, FastMethod>(); @Override public void channelReadComplete(ChannelHandlerContext ctx) throws Exception { ctx.flush(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { //ctx.close(); //cause.printStackTrace(); ctx.close(); } }

连通性

安装进程就差不离了(傻瓜式操作不须要说太多)。

l Myeclipse 10自带的tomcat6

5、简单说说Spring 事务机制

handel函数通过Java的反光机制,找到要调用的接口类然后调用对应函数然后奉行,然后回到结果到顾客端,本次RPC调用截止。

登记宗旨担负服务地点的注册与搜索,也就是目录服务,服务提供者和花费者只在运营时与注册核心交互,注册中

设置到位后,到顶端菜单打开:Help >>> Eclipse 马克etplace,如图

l Apache-cxf 2.2.8 安装文件夹下的bin文件下的wsdl2java.bat(请提前下载apache-cxf,何况解压缩),把安装路线配置为全局变量,如下图:CXF_HOME全局变量是第三种生成格局要用的。

解答:Spring事务机制

心不转载央求,压力极小

金沙网址大全 4

金沙网址大全 5

6、Spring 4.0新特性

督察中心承担总括各服务调用次数,调用时间等,总括先在内部存款和储蓄器汇中国人民解放军总后勤部每分钟⼀次发送到监察和控制核心服务器,并以报

eclipse插件商铺

环境

解答:Spring4新特性

表展示

点击弹出窗口,输入go,回车键确认搜索,找到GoClipse插件,点击install安装

l JDK1.6

二:负载均衡、集群相关

劳动提供者向注册中央登记其提供的服务,并上报调用时间到监察和控制宗旨,此时间不分包互连网耗费

金沙网址大全 6

l JavaEE6

1、weblogic 负载均衡的原理和集群的配置

劳务花费者向登记主旨取得服务提供者地址列表,并依附负荷算法一向调⽤提供者,同期反映调用时间到监督中

安装GoClipse

l假设wsdl地址为:

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