简介:springboot 2.0.4.RELEASE 集成 drools 7.11.0.Final

1.项目结构

2. pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>AllTest</artifactId>
<groupId>com.lcc</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>drools_springboot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>properties</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>drools.version</span><span class="token punctuation">&gt;</span></span>7.11.0.Final<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>drools.version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>spring.boot.version</span><span class="token punctuation">&gt;</span></span>2.0.4.RELEASE<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>spring.boot.version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>properties</span><span class="token punctuation">&gt;</span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependencies</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-starter-web<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>${spring.boot.version}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-autoconfigure<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>${spring.boot.version}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.kie<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>kie-spring<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>${drools.version}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusions</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-tx<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-beans<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-core<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-context<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusion</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusions</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.drools<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>drools-compiler<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>${drools.version}<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.projectlombok<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>lombok<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.12.6<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span> <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependencies</span><span class="token punctuation">&gt;</span></span>

</project>

3.配置类

基于springboot的初始化配置:

package com.drools.spring;

import org.kie.api.KieBase;

import org.kie.api.KieServices;

import org.kie.api.builder.*;

import org.kie.api.runtime.KieContainer;

import org.kie.api.runtime.KieSession;

import org.kie.internal.io.ResourceFactory;

import org.kie.spring.KModuleBeanFactoryPostProcessor;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.core.io.Resource;

import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

import org.springframework.core.io.support.ResourcePatternResolver; import java.io.IOException; /**
  • Created by lcc on 2018/9/27.

    */

    @Configuration

    public class DroolsAutoConfiguration { /** 特别要注意 rule的存放位置 */

    private static final String RULES_PATH = "rules/"; @Bean

    @ConditionalOnMissingBean(KieFileSystem.class)

    public KieFileSystem kieFileSystem() throws IOException {

    KieFileSystem kieFileSystem = getKieServices().newKieFileSystem();

    for (Resource file : getRuleFiles()) {

    String path = RULES_PATH + file.getFilename();

    kieFileSystem.write(ResourceFactory.newClassPathResource(path, "UTF-8"));

    }

    return kieFileSystem;

    } /**
    • 这里要引入 org.springframework.core.io.Resource 包
    • @return
    • @throws IOException

      /

      private Resource[] getRuleFiles() throws IOException {

      ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();

      return resourcePatternResolver.getResources("classpath
      :" + RULES_PATH + "**/.");

      }
    @Bean

    @ConditionalOnMissingBean(KieContainer.class)

    public KieContainer kieContainer() throws IOException {

    final KieRepository kieRepository = getKieServices().getRepository();
     kieRepository<span class="token punctuation">.</span><span class="token function">addKieModule</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">KieModule</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">public</span> ReleaseId <span class="token function">getReleaseId</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> kieRepository<span class="token punctuation">.</span><span class="token function">getDefaultReleaseId</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span> KieBuilder kieBuilder <span class="token operator">=</span> <span class="token function">getKieServices</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">newKieBuilder</span><span class="token punctuation">(</span><span class="token function">kieFileSystem</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    kieBuilder<span class="token punctuation">.</span><span class="token function">buildAll</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token keyword">return</span> <span class="token function">getKieServices</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">newKieContainer</span><span class="token punctuation">(</span>kieRepository<span class="token punctuation">.</span><span class="token function">getDefaultReleaseId</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    }

    private KieServices getKieServices() {

    return KieServices.Factory.get();

    }

    @Bean

    @ConditionalOnMissingBean(KieBase.class)

    public KieBase kieBase() throws IOException {

    return kieContainer().getKieBase();

    }

    @Bean

    @ConditionalOnMissingBean(KieSession.class)

    public KieSession kieSession() throws IOException {

    return kieContainer().newKieSession();

    }

    @Bean

    @ConditionalOnMissingBean(KModuleBeanFactoryPostProcessor.class)

    public KModuleBeanFactoryPostProcessor kiePostProcessor() {

    return new KModuleBeanFactoryPostProcessor();

    }

    }

4.Springboot启动类

package com.drools.spring;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication; /**
  • Created by lcc on 2018/9/27.

    */

    @SpringBootApplication

    public class SpringBootDroolsApplication { public static void main(String[] args) {

    SpringApplication.run(SpringBootDroolsApplication.class, args);

    }

    }

5.实体类

package com.drools.spring.entity;

import lombok.Data;

/**
  • Created by lcc on 2018/9/27.

    */

    @Data

    public class Address { private String postcode; private String street; private String state;
}

6.规则返回结果类

package com.drools.spring.entity;

import lombok.Data;

/**
  • Created by lcc on 2018/9/27.

    */

    @Data

    public class AddressCheckResult { private boolean postCodeResult = false; // true:通过校验;false:未通过校验

    }

7.规则文件

注意存放的位置

package com.rules

import com.drools.spring.entity.Address;

import com.drools.spring.entity.AddressCheckResult; rule "Postcode should be filled with exactly 5 numbers"
when
address <span class="token operator">:</span> <span class="token function">Address</span><span class="token punctuation">(</span>postcode <span class="token operator">!=</span> null<span class="token punctuation">,</span> postcode matches <span class="token string">"([0-9]{5})"</span><span class="token punctuation">)</span>
checkResult <span class="token operator">:</span> <span class="token function">AddressCheckResult</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
then
checkResult<span class="token punctuation">.</span><span class="token function">setPostCodeResult</span><span class="token punctuation">(</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"规则中打印日志:校验通过!"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

end

8.规则文件kmodule

<?xml version="1.0" encoding="UTF-8" ?>
<kmodule xmlns="http://www.drools.org/xsd/kmodule">
<kbase name="rules" packages="com.rules">
<ksession name="ksession-rule"/>
</kbase>
</kmodule>

9.测试Controller

package com.drools.spring.controller;

import com.drools.spring.entity.Address;

import com.drools.spring.entity.AddressCheckResult;

import org.kie.api.runtime.KieSession;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody; import javax.annotation.Resource; /**
  • Created by lcc on 2018/9/27.

    */

    @RequestMapping("/test")

    @Controller

    public class TestController { @Resource

    private KieSession kieSession; @ResponseBody

    @RequestMapping("/address")

    public void test(){

    Address address = new Address();

    address.setPostcode("99425");
     AddressCheckResult result <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AddressCheckResult</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    kieSession<span class="token punctuation">.</span><span class="token function">insert</span><span class="token punctuation">(</span>address<span class="token punctuation">)</span><span class="token punctuation">;</span>
    kieSession<span class="token punctuation">.</span><span class="token function">insert</span><span class="token punctuation">(</span>result<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">int</span> ruleFiredCount <span class="token operator">=</span> kieSession<span class="token punctuation">.</span><span class="token function">fireAllRules</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"触发了"</span> <span class="token operator">+</span> ruleFiredCount <span class="token operator">+</span> <span class="token string">"条规则"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token keyword">if</span><span class="token punctuation">(</span>result<span class="token punctuation">.</span><span class="token function">isPostCodeResult</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"规则校验通过"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    }

    }

启动Springboot项目之后,默认访问http://localhost:8080/test/address 即可。

运行结果

规则中打印日志:校验通过!
触发了1条规则
规则校验通过
        </div>

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