Springboot整合Urule的方法步驟

更新時(shí)間：2019年05月28日 14:57:35 作者：landlord_

這篇文章主要介紹了Springboot整合Urule的方法步驟，小編覺得挺不錯(cuò)的，現(xiàn)在分享給大家，也給大家做個(gè)參考。一起跟隨小編過來看看吧

摘要：

Urule決策引擎可簡化開發(fā)校驗(yàn)、決策類代碼，底層由java語言實(shí)現(xiàn)，可基于SpringBoot快速配置，因?yàn)閁rule工具目前為非常用工具，網(wǎng)上關(guān)于SpringBoot整合Urule資料匱乏，一直自己摸索，簡單的環(huán)境搭建也費(fèi)了些功夫，遇到些坑，作此記錄

本次記錄主要記錄Urule-Serve端Urule-Client端分開部署的模式，這種使用場(chǎng)景也會(huì)更多；嵌入式成一個(gè)項(xiàng)目的配置和Urule-Server端一致。

一、Urule-Server端：

1.1、基于maven的SpringBoot基本環(huán)境搭建請(qǐng)參考SpringBoot教程

1.2、引入U(xiǎn)rule相關(guān)依賴，urule-console-pro，開源版本可到https://search.maven.org

中心搜索，依賴如下：

<dependencies>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>com.bstek.urule</groupId>
   <artifactId>urule-console-pro</artifactId>
   <version>2.1.0</version>
   <exclusions>
    <exclusion>
     <groupId>org.slf4j</groupId>
     <artifactId>slf4j-jdk14</artifactId>
    </exclusion>
   </exclusions>
  </dependency>
  <dependency>
   <groupId>javax.servlet</groupId>
   <artifactId>servlet-api</artifactId>
   <version>2.5</version>
   <scope>provided</scope>
  </dependency>
  <dependency>
   <groupId>org.mybatis.spring.boot</groupId>
   <artifactId>mybatis-spring-boot-starter</artifactId>
   <version>1.3.1</version>
  </dependency>
  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
   <version>1.0.9</version>
  </dependency>
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
  </dependency>
 </dependencies>

1.3、配置文件：兩個(gè)，appplication.yml , application.properties

appplication.yml，配置數(shù)據(jù)庫信息（我們把urule項(xiàng)目存到數(shù)據(jù)庫中）

server:
 port: 8081
spring:
 application:
 name: UruleServer
 datasource:
 name: datasource
 jdbc-url: jdbc:mysql://127.0.0.1:3306/urule?useUnicode=true&characterEncoding=utf-8
 username: root
 password: 666666
 # 使用druid數(shù)據(jù)源
 type: com.alibaba.druid.pool.DruidDataSource
 driver-class-name: com.mysql.jdbc.Driver
 filters: stat
 maxActive: 20
 initialSize: 1
 maxWait: 60000
 minIdle: 1
 timeBetweenEvictionRunsMillis: 60000
 minEvictableIdleTimeMillis: 300000
 validationQuery: select 'x'
 testWhileIdle: true
 testOnBorrow: false
 testOnReturn: false
 poolPreparedStatements: true
 maxOpenPreparedStatements: 20

注意，我這此刻DataSource下不jdbc-url而不是url。根據(jù)SpringBoot版本自行調(diào)整

application.properties,配置項(xiàng)目儲(chǔ)存位置

#若為本地環(huán)境需配置此路徑
#urule.repository.dir=F:/EclipsePractice/03_SpringCloud/repo4rule
#若為數(shù)據(jù)庫，配置此項(xiàng)，兩項(xiàng)均不配則系統(tǒng)指定默認(rèn)地址
urule.repository.databasetype=mysql
urule.repository.datasourcename=datasource
ignore-unresolvable=true
order=1

1.4、初始化bean

datesource

@Configuration
public class configuration {
 @Bean
 public PropertySourcesPlaceholderConfigurer propertySourceLoader() {
  PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
  configurer.setIgnoreUnresolvablePlaceholders(true);
  configurer.setOrder(1);
  return configurer;
 }
 
  @Bean
  @ConfigurationProperties(prefix = "spring.datasource")
  public DataSource datasource() {
   return DataSourceBuilder.create().build();
  }
}

serverlet

@Component
public class URuleServletRegistration
{
 @Bean
 public ServletRegistrationBean<HttpServlet> registerURuleServlet()
 {
 return new ServletRegistrationBean(new URuleServlet(), new String[] { "/urule/*" });
 }
 }

1.5、啟動(dòng)類：

@SpringBootApplication
@ImportResource({"classpath:urule-console-context.xml"})
public class Application
{
 public static void main(String[] args)
 {
 SpringApplication.run(Application.class, args);
 }
}

二、客戶端調(diào)用：

2.1、配置類

application.yml
server:
 port: 8090
spring:
 application:
 name: UruleClient
 datasource:
 name: datasource
 url: jdbc:mysql://127.0.0.1:3306/myland?useUnicode=true&characterEncoding=utf-8
 username: root
 password: 666666
 # 使用druid數(shù)據(jù)源
 type: com.alibaba.druid.pool.DruidDataSource
 driver-class-name: com.mysql.jdbc.Driver
 filters: stat
 maxActive: 20
 initialSize: 1
 maxWait: 60000
 minIdle: 1
 timeBetweenEvictionRunsMillis: 60000
 minEvictableIdleTimeMillis: 300000
 validationQuery: select 'x'
 testWhileIdle: true
 testOnBorrow: false
 testOnReturn: false
 poolPreparedStatements: true
 maxOpenPreparedStatements: 20
urule:
 ###服務(wù)端發(fā)現(xiàn)地址
 resporityServerUrl: http://localhost:8081
 ###knowledgeUpdateCycle為0時(shí)，不是檢查緩存，每次都從服務(wù)端拉取，為1時(shí)，會(huì)先查找緩存
 knowledgeUpdateCycle: 1

2.2、初始化bean

@Configuration
public class RuleConfig {
 @Bean
 public PropertySourcesPlaceholderConfigurer propertySourceLoader() {
  PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
  configurer.setIgnoreUnresolvablePlaceholders(true);
  configurer.setOrder(1);
  return configurer;
 }
}

@Component
public class URuleServletRegistration {
 //此Servlet用于接收Urule服務(wù)端發(fā)布的知識(shí)包，使用開源版本時(shí)刪除或者注釋這個(gè)bean
 @Bean
 public ServletRegistrationBean registerURuleServlet(){
  return new ServletRegistrationBean(new KnowledgePackageReceiverServlet(),"/knowledgepackagereceiver");
 }
}

2.3、controller:

@RestController
public class TestController {
@RequestMapping("/rule")
 public String getRara(@RequestParam String data)throws IOException{
   KnowledgeService knowledgeService = (KnowledgeService) Utils.getApplicationContext().getBean(KnowledgeService.BEAN_ID);
//參數(shù)，Urule項(xiàng)目名/知識(shí)包名
   KnowledgePackage knowledgePackage = knowledgeService.getKnowledge("letasa/pare");
   KnowledgeSession session = KnowledgeSessionFactory.newKnowledgeSession(knowledgePackage);
   Integer integer = Integer.valueOf(data);
   Map<String, Object> param = new HashMap();
//參數(shù)，var，傳入?yún)?shù)，和參數(shù)庫中定義一致
   param.put("var", integer);
   session.fireRules(param);
//result，返回參數(shù)，和參數(shù)庫中定義一致
   Integer result = (Integer) session.getParameter("result");
   return String.valueOf(result);
 }
}

2.4、啟動(dòng)類

@SpringBootApplication
@ImportResource({"classpath:urule-core-context.xml"})
public class Application {
 public static void main(String[] args) {
  SpringApplication.run(Application.class, args);
 }
}

Urule項(xiàng)目配置