Java Protocol.parse方法代码示例

import org.apache.avro.Protocol; //导入方法依赖的package包/类
/**
 * 进行必要的业务处理
 * 
 * @param transceiver
 * @throws IOException
 */
private void bussinessDeal(Transceiver transceiver) throws IOException {
    // 2.获取协议
    Protocol protocol = Protocol.parse(this.getClass().getResourceAsStream("/Members.avpr"));
    // 3.根据协议和通讯构造请求对象
    GenericRequestor requestor = new GenericRequestor(protocol, transceiver);
    // 4.根据schema获取messages主节点内容
    GenericRecord loginGr = new GenericData.Record(protocol.getMessages().get("login").getRequest());
    // 5.在根据协议里面获取request中的schema
    GenericRecord mGr = new GenericData.Record(protocol.getType("Members"));
    // 6.设置request中的请求数据
    mGr.put("userName", "rita");
    mGr.put("userPwd", "123456");
    // 7、把二级内容加入到一级message的主节点中
    loginGr.put("m", mGr);
    // 8.设置完毕后，请求方法，正式发送访问请求信息，并得到响应内容
    Object retObj = requestor.request("login", loginGr);
    // 9.进行解析操作
    GenericRecord upGr = (GenericRecord) retObj;
    System.out.println(upGr.get("msg"));
}
 

import org.apache.avro.Protocol; //导入方法依赖的package包/类
/** Generates Java interface and classes for a protocol.
 * @param src the source Avro protocol file
 * @param dest the directory to place generated files in
 */
public static void compileProtocol(File src, File dest) throws IOException {
  log.info("Compiling Protocol: " + src + " to: " + dest);
  if(licenseHeader != null) {
    log.info("The generated file will be " + licenseHeader.getLicenseName() + " licensed.");
  }
  GoraCompiler compiler = new GoraCompiler(dest);
  Protocol protocol = Protocol.parse(src);
  for (Schema s : protocol.getTypes())          // enqueue types 
    compiler.enqueue(s);
  compiler.compileInterface(protocol);          // generate interface
  compiler.compile();                           // generate classes for types
}
 

import org.apache.avro.Protocol; //导入方法依赖的package包/类
public static Protocol readProtocolFromZk(ZooKeeper zk, String namespace, String name,
    String md5) throws KeeperException, InterruptedException {
  String versionPath = getProtocolZkPath(namespace, name) + "/versions/" + md5;
  byte[] data = zk.getData(versionPath, false, null);
  String schema = new String(data, Constants.UTF8);
  return Protocol.parse(schema);
}
 

import org.apache.avro.Protocol; //导入方法依赖的package包/类
/**
 * 主要进行业务处理 服务端逻辑处理 采用动态生成代码处理方式，客户端和服务端只需要有protocol文件即可，不需要手工生成代码
 * 
 * @return
 * @throws IOException
 */
private GenericResponder bussinessDeal() throws IOException {
    // 1.构建协议
    final Protocol protocol = Protocol.parse(this.getClass().getResourceAsStream("/Members.avpr"));
    // 2.构建业务逻辑及响应客户端
    GenericResponder gr = new GenericResponder(protocol) {
        @Override
        public Object respond(Message message, Object request) throws Exception {
            System.err.println("request:" + request);
            // 3.获取请求信息
            GenericRecord record = (GenericRecord) request;
            GenericRecord retGr = null;
            // 4.判断请求的方法
            if (message.getName().equals("login")) {
                // 5.获取到传输的参数
                Object obj = record.get("m");

                GenericRecord mGr = (GenericRecord) obj;
                String userName = mGr.get("userName").toString();
                String userPwd = mGr.get("userPwd").toString();
                // 6.进行相应的业务逻辑处理
                System.out.println("Members:" + ",userName:" + userName + mGr + ",userPwd:" + userPwd);
                String retMsg;
                if (userName.equalsIgnoreCase("rita") && userPwd.equals("123456")) {
                    retMsg = "哈哈，恭喜你,成功登录。";
                    System.out.println(retMsg);
                } else {
                    retMsg = "登录失败。";
                    System.out.println(retMsg);
                }
                // 7.获取返回值类型
                retGr = new GenericData.Record(protocol.getMessages().get("login").getResponse());
                // 8.构造回复消息
                retGr.put("msg", retMsg);
            }
            System.err.println("DEAL SUCCESS!");
            return retGr;
        }
    };
    return gr;
}