SpringBoot2.x 集成规则引擎Drools
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2021-03-31 16:55:34
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任务要求：SpringBoot 2.x 集成规则引擎（Drools）开发环境, 实现简单规则引擎测试功能。
核心pom.xml 文件:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.1.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<mybatis-spring-boot-starter.version>1.3.2</mybatis-spring-boot-starter.version>
<mysql-connector-java.version>8.0.11</mysql-connector-java.version>
<com.alibaba.druid.version>1.1.9</com.alibaba.druid.version>
<commons-lang.version>2.6</commons-lang.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-lang3.version>3.8.1</commons-lang3.version>
<commons-net.version>3.6</commons-net.version>
<commons-io.version>2.6</commons-io.version>
<commons-collections.version>3.2.1</commons-collections.version>
<common-fileupload.version>1.3.1</common-fileupload.version>
<fastjson.version>1.2.48</fastjson.version>
<jasperreports.version>6.10.0</jasperreports.version>
</properties>
<dependencies>
<!-- SpringWeb模块 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--springboot 集成测试框架 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--lombok插件 -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- mysql 连接 -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>${mybatis-spring-boot-starter.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql-connector-java.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>${com.alibaba.druid.version}</version>
</dependency>
<!-- 分页控件 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>4.1.6</version>
</dependency>
<!--common-lang 常用工具包 -->
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>${commons-lang.version}</version>
</dependency>
<!--commons-lang3 工具包 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<!--commons-codec 加密工具包 -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<!--commons-net 网络工具包 -->
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>${commons-net.version}</version>
</dependency>
<!--common-io 工具包 -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<!--common-collection 工具包 -->
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>${commons-collections.version}</version>
</dependency>
<!--common-fileupload 工具包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${common-fileupload.version}</version>
</dependency>
<!-- Swagger2 -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.7.0</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.7.0</version>
</dependency>
<!-- fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>${fastjson.version}</version>
</dependency>
<!-- 集成drools -->
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-core</artifactId>
<version>7.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-compiler</artifactId>
<version>7.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-decisiontables</artifactId>
<version>7.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.drools</groupId>
<artifactId>drools-templates</artifactId>
<version>7.0.0.Final</version>
</dependency>
配置类：
package com.zzg.drools.config;
import org.kie.api.KieServices;
import org.kie.api.builder.KieBuilder;
import org.kie.api.builder.KieFileSystem;
import org.kie.api.builder.KieModule;
import org.kie.api.runtime.KieContainer;
import org.kie.internal.io.ResourceFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class DroolsConfig {
private static final String drlFile = "helloworld.drl";
@Bean
public KieContainer kieContainer() {
KieServices kieServices = KieServices.Factory.get();
KieFileSystem kieFileSystem = kieServices.newKieFileSystem();
kieFileSystem.write(ResourceFactory.newClassPathResource(drlFile));
KieBuilder kieBuilder = kieServices.newKieBuilder(kieFileSystem);
kieBuilder.buildAll();
KieModule kieModule = kieBuilder.getKieModule();
return kieServices.newKieContainer(kieModule.getReleaseId());
}
}
package com.zzg.drools.config;
import java.util.HashMap;
import java.util.Map;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
/**
* druid 监控配置
* @author zzg
*
*/
@Configuration
public class DruidConfig {
@Bean
public ServletRegistrationBean druidServletRegistrationBean() {
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean();
servletRegistrationBean.setServlet(new StatViewServlet());
servletRegistrationBean.addUrlMappings("/druid/*");
servletRegistrationBean.addInitParameter("allow", "");
servletRegistrationBean.addInitParameter("deny", "");
servletRegistrationBean.addInitParameter("loginUsername", "admin");
servletRegistrationBean.addInitParameter("loginPassword", "admin");
return servletRegistrationBean;
}
/**
* 注册DruidFilter拦截
*
* @return
*/
@Bean
public FilterRegistrationBean duridFilterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new WebStatFilter());
Map<String, String> initParams = new HashMap<String, String>();
//设置忽略请求
initParams.put("exclusions", "*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*");
filterRegistrationBean.setInitParameters(initParams);
filterRegistrationBean.addUrlPatterns("/*");
return filterRegistrationBean;
}
}
package com.zzg.drools.config;
import java.util.Properties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.github.pagehelper.PageHelper;
/**
* mybatis 配置对象
* @author zzg
*
*/
@Configuration
public class MyBatisConfig {
/**
* 分页对象实列化
* @return
*/
@Bean
public PageHelper pageHelper() {
PageHelper pageHelper = new PageHelper();
Properties p = new Properties();
p.setProperty("offsetAsPageNum", "true");
p.setProperty("rowBoundsWithCount", "true");
p.setProperty("reasonable", "true");
p.setProperty("dialect", "mysql");
pageHelper.setProperties(p);
return pageHelper;
}
}package com.zzg.drools.config;
import java.util.ArrayList;
import java.util.List;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import io.swagger.annotations.ApiOperation;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;
@Configuration
@EnableSwagger2
public class SwaggerConfig {
@Bean
public Docket buildDocket() {
ParameterBuilder tokenPar = new ParameterBuilder();
List<Parameter> pars = new ArrayList<Parameter>();
tokenPar.name("X-CSRF-TOKEN").description("令牌").modelRef(new ModelRef("string")).parameterType("header")
.required(false).build();
pars.add(tokenPar.build());
return new Docket(DocumentationType.SWAGGER_2).select()
.apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class)).paths(PathSelectors.any())
.build().globalOperationParameters(pars).apiInfo(buildApiInf());
}
private ApiInfo buildApiInf() {
return new ApiInfoBuilder().title("****").termsOfServiceUrl("http://www.baidu.cn/")
.description("API接口")
.contact(new Contact("baidu", "http://www.baidu.cn/", "zhouzhiwengang@163.com"))
.version("2.0").build();
}
}
规则引擎涉及service 、serviceImpl 和controller
package com.zzg.drools.service;
public interface DroolsService {
public String fireRule();
}
package com.zzg.drools.service.impl;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.zzg.drools.domain.Message;
@Service
@Transactional(propagation = Propagation.REQUIRED,isolation = Isolation.DEFAULT,timeout=36000,rollbackFor=Exception.class)
public class DroolsServiceImpl {
@Autowired
private KieContainer container;
public String fireRule() {
KieSession kSession = container.newKieSession();
// go !
Message message = new Message();
message.setMessage("Hello World");
message.setStatus(Message.HELLO);
// message.setMessage("Goodbye");
// message.setStatus(Message.GOODBYE);
kSession.insert(message);//插入
kSession.fireAllRules();//执行规则
kSession.dispose();
return message.getMessage();
}
}
package com.zzg.drools.controller;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.zzg.drools.service.impl.DroolsServiceImpl;
import com.zzg.jreport.response.JreportResponse;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
@Controller
@RequestMapping("/api/drools")
@Api(value = "规则流程引擎Controlle", tags = "规则流程引擎操作服务")
public class DroolsController {
// 日志管理
private Logger logger = LoggerFactory.getLogger(DroolsController.class);
@Autowired
private DroolsServiceImpl service;
@ApiOperation(httpMethod = "POST", value = "规则流程引擎")
@RequestMapping(value = "/rule", method = { RequestMethod.POST }, produces = "application/json;charset=UTF-8")
@ResponseBody
public JreportResponse rule() {
String message = service.fireRule();
return JreportResponse.ok(message);
}
}
其他数据库连接的domain、mapper、service、serviceImpl和controller 省略。
程序入口：
package com.zzg.drools;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.transaction.annotation.EnableTransactionManagement;
@SpringBootApplication
@EnableTransactionManagement
@MapperScan("com.zzg.drools.mapper")
public class Application extends SpringBootServletInitializer {
public static void main(String[] args) {
// TODO Auto-generated method stub
SpringApplication.run(Application.class, args);
System.out.println("============= SpringBoot drools Service Start Success =============");
}
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
// 注意这里要指向原先用main方法执行的Application启动类
return builder.sources(Application.class);
}
}
核心资源文件:application.properties、logback.xml和helloword.drl 规则文件。
# æå®æå¡ç«¯å£
server.port=7090
# æå®æå¡ å称
# server.context-path=/jreport
#mybatis xml æ件éç½®
mybatis.mapper-locations=classpath*:mapper/drools/*Mapper.xml
mybatis.type-aliases-package=com.zzg.drools.domain
# MyBatis mysql8 éç½®
spring.datasource.url=jdbc:mysql://192.168.**.**:3306/boot-security?serverTimezone=UTC&useSSL=false&allowPublicKeyRetrieval=true&allowMultiQueries=true&nullCatalogMeansCurrent=true
spring.datasource.username=root
spring.datasource.password=******
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
# Druid éç½®
# åå§åæ¶å»ºç«ç©çè¿æ¥ç个æ°
spring.datasource.druid.initial-size=5
# æ大è¿æ¥æ± æ°é
spring.datasource.druid.max-active=30
# æå°è¿æ¥æ± æ°é
spring.datasource.druid.min-idle=5
# è·åè¿æ¥æ¶æ大çå¾æ¶é´ï¼åä½æ¯«ç§
spring.datasource.druid.max-wait=60000
# éç½®é´éå¤ä¹æè¿è¡ä¸æ¬¡æ£æµï¼æ£æµéè¦å³éç空é²è¿æ¥ï¼åä½æ¯æ¯«ç§
spring.datasource.druid.time-between-eviction-runs-millis=60000
# è¿æ¥ä¿æ空é²èä¸è¢«é©±éçæå°æ¶é´
spring.datasource.druid.min-evictable-idle-time-millis=300000
# ç¨æ¥æ£æµè¿æ¥æ¯å¦ææçsqlï¼è¦æ±æ¯ä¸ä¸ªæ¥è¯¢è¯å¥
spring.datasource.druid.validation-query=SELECT 1 FROM DUAL
# 建议é置为trueï¼ä¸å½±åæ§è½ï¼å¹¶ä¸ä¿è¯å®å¨æ§ãç³è¯·è¿æ¥çæ¶åæ£æµï¼å¦æ空é²æ¶é´å¤§äºtimeBetweenEvictionRunsMillisï¼æ§è¡validationQueryæ£æµè¿æ¥æ¯å¦ææã
spring.datasource.druid.test-while-idle=true
# ç³è¯·è¿æ¥æ¶æ§è¡validationQueryæ£æµè¿æ¥æ¯å¦ææï¼åäºè¿ä¸ªéç½®ä¼éä½æ§è½ã
spring.datasource.druid.test-on-borrow=false
# å½è¿è¿æ¥æ¶æ§è¡validationQueryæ£æµè¿æ¥æ¯å¦ææï¼åäºè¿ä¸ªéç½®ä¼éä½æ§è½ã
spring.datasource.druid.test-on-return=false
# æ¯å¦ç¼åpreparedStatementï¼ä¹å°±æ¯PSCacheãPSCache对æ¯æ游æ çæ°æ®åºæ§è½æå巨大ï¼æ¯å¦è¯´oracleãå¨mysqlä¸å»ºè®®å³éã
spring.datasource.druid.pool-prepared-statements=true
# è¦å¯ç¨PSCacheï¼å¿é¡»é置大äº0ï¼å½å¤§äº0æ¶ï¼poolPreparedStatementsèªå¨è§¦åä¿®æ¹ä¸ºtrueã
spring.datasource.druid.max-pool-prepared-statement-per-connection-size=50
# éç½®çæ§ç»è®¡æ¦æªçfiltersï¼å»æåçæ§çé¢sqlæ æ³ç»è®¡
#spring.datasource.druid.filters=stat,wall
# éè¿connectPropertieså±æ§æ¥æå¼mergeSqlåè½ï¼æ¢SQLè®°å½
spring.datasource.druid.connection-properties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
# å并å¤ä¸ªDruidDataSourceççæ§æ°æ®
spring.datasource.druid.use-global-data-source-stat=true
# éç½®sql 注å¥æ¹å¼
spring.datasource.druid.filters=stat
# æ¥å¿æ件éç½®
logging.config=classpath:logback.xml<?xml version="1.0" encoding="UTF-8"?>
<!-- 从高到地低 OFF 、 FATAL 、 ERROR 、 WARN 、 INFO 、 DEBUG 、 TRACE 、 ALL -->
<!-- 日志输出规则 根据当前ROOT 级别，日志输出时，级别高于root默认的级别时 会输出 -->
<!-- 以下 每个配置的 filter 是过滤掉输出文件里面，会出现高级别文件，依然出现低级别的日志信息，通过filter 过滤只记录本级别的日志-->
<!-- 属性描述 scan：性设置为true时，配置文件如果发生改变，将会被重新加载，默认值为true scanPeriod:设置监测配置文件是否有修改的时间间隔，如果没有给出时间单位，
默认单位是毫秒。当scan为true时，此属性生效。默认的时间间隔为1分钟。
debug:当此属性设置为true时，将打印出logback内部日志信息，实时查看logback运行状态。默认值为false。 -->
<configuration scan="true" scanPeriod="60 seconds" debug="false">
<!-- 定义日志文件 输入位置 -->
<property name="log_dir" value="/logs/system-provider" />
<!-- 日志最大的历史 30天 -->
<property name="maxHistory" value="30"/>
<!-- ConsoleAppender 控制台输出日志 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<!-- 对日志进行格式化 -->
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger -%msg%n</pattern>
</encoder>
</appender>
<!-- ERROR级别日志 -->
<!-- 滚动记录文件，先将日志记录到指定文件，当符合某个条件时，将日志记录到其他文件 RollingFileAppender-->
<appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 过滤器，只记录WARN级别的日志 -->
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<!-- 最常用的滚动策略，它根据时间来制定滚动策略.既负责滚动也负责出发滚动 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!--日志输出位置 可相对、和绝对路径 -->
<fileNamePattern>${log_dir}/%d{yyyy-MM-dd}/neo4j-error-log.log</fileNamePattern>
<!-- 可选节点，控制保留的归档文件的最大数量，超出数量就删除旧文件假设设置每个月滚动，且<maxHistory>是6，
则只保存最近6个月的文件，删除之前的旧文件。注意，删除旧文件是，那些为了归档而创建的目录也会被删除-->
<maxHistory>${maxHistory}</maxHistory>
</rollingPolicy>
<!-- 按照固定窗口模式生成日志文件，当文件大于20MB时，生成新的日志文件。窗口大小是1到3，当保存了3个归档文件后，将覆盖最早的日志。
<rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
<fileNamePattern>${log_dir}/%d{yyyy-MM-dd}/.log.zip</fileNamePattern>
<minIndex>1</minIndex>
<maxIndex>3</maxIndex>
</rollingPolicy> -->
<!-- 查看当前活动文件的大小，如果超过指定大小会告知RollingFileAppender 触发当前活动文件滚动
<triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
<maxFileSize>5MB</maxFileSize>
</triggeringPolicy> -->
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
</encoder>
</appender>
<!-- WARN级别日志 appender -->
<appender name="WARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 过滤器，只记录WARN级别的日志 -->
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>WARN</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log_dir}/%d{yyyy-MM-dd}/neo4j-warn-log.log
</fileNamePattern>
<maxHistory>${maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
</encoder>
</appender>
<!-- INFO级别日志 appender -->
<appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!-- 过滤器，只记录INFO级别的日志 -->
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log_dir}/%d{yyyy-MM-dd}/neo4j-info-log.log
</fileNamePattern>
<maxHistory>${maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
</encoder>
</appender>
<!-- DEBUG级别日志 appender -->
<appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>DEBUG</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${log_dir}/%d{yyyy-MM-dd}/neo4j-debug-log.log
</fileNamePattern>
<maxHistory>${maxHistory}</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
</encoder>
</appender>
<logger name="java.sql.PreparedStatement" value="DEBUG" />
<logger name="java.sql.Connection" value="DEBUG" />
<logger name="java.sql.Statement" value="DEBUG" />
<logger name="com.ibatis" value="DEBUG" />
<logger name="com.ibatis.common.jdbc.SimpleDataSource" value="DEBUG" />
<logger name="com.ibatis.common.jdbc.ScriptRunner" level="DEBUG"/>
<logger name="com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate" value="DEBUG" />
<logger name="org.springframework.web" level="DEBUG"/>
<logger name="com.zzg.drools" level="DEBUG"/>
<!-- root级别 DEBUG -->
<root level="ERROR">
<!-- 控制台输出 -->
<appender-ref ref="STDOUT" />
<!-- 文件输出 -->
<appender-ref ref="ERROR" />
<appender-ref ref="INFO" />
<appender-ref ref="WARN" />
<appender-ref ref="DEBUG" />
</root>
</configuration>package com.zzg.drools
import com.zzg.drools.domain.Message
dialect "mvel"
rule "Hello World"
dialect "mvel"
when
m : Message(status.equals(Message.HELLO), message : message )
then
System.out.println( message);
modify ( m ) { message = "Goodbye cruel world",status = Message.GOODBYE };
end
rule "Good Bye"
dialect "java"
when
Message( status == Message.GOODBYE, message : message )
then
System.out.println( message );
end
补充规则引擎依赖实体对象Message.java
package com.zzg.drools.domain;
import lombok.Getter;
import lombok.Setter;
@Setter
@Getter
public class Message {
public static final Integer HELLO = 0;
public static final Integer GOODBYE = 1;
private String message;
private Integer status;
}
项目整体结构:
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