springboot 2.x 集成 drools 7.x
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"><</span>artifactId</span><span class="token punctuation">></span></span>drools_springboot<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>properties</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>drools.version</span><span class="token punctuation">></span></span>7.11.0.Final<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>drools.version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>spring.boot.version</span><span class="token punctuation">></span></span>2.0.4.RELEASE<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>spring.boot.version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>properties</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependencies</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-boot-starter-web<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>${spring.boot.version}<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-boot-autoconfigure<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>${spring.boot.version}<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.kie<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>kie-spring<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>${drools.version}<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>exclusions</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-tx<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-beans<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-core<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.springframework<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>spring-context<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>exclusion</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>exclusions</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.drools<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>drools-compiler<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>${drools.version}<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>groupId</span><span class="token punctuation">></span></span>org.projectlombok<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>groupId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>artifactId</span><span class="token punctuation">></span></span>lombok<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>artifactId</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>version</span><span class="token punctuation">></span></span>1.12.6<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>version</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependency</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>dependencies</span><span class="token punctuation">></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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