Drools5集成Spring3

在drools5.2，有一个jar包：drools-spring-5.2.0.Final.jar，其中定义了在spring中应用的drools的扩展。通过这些扩展，可以直接在spring的配置文件中，配置knowledgebase、session等bean，从而在spring配置的程序中直接应用。drools-spring-5.2.0.Final.jar在droolsjbpm-integration-distribution-5.2.0.Final\binaries文件夹下。

 

登录例子部分代码：

beans.xml

 1 <?xml version="1.0" encoding="UTF-8"?>   2 <beans xmlns="http://www.springframework.org/schema/beans"   3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"   4     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"   5     xmlns:p="http://www.springframework.org/schema/p"   6     xsi:schemaLocation="http://www.springframework.org/schema/beans      7         http://www.springframework.org/schema/beans/spring-beans-3.0.xsd      8         http://www.springframework.org/schema/context      9          http://www.springframework.org/schema/context/spring-context-3.0.xsd     10         http://www.springframework.org/schema/tx     11         http://www.springframework.org/schema/tx/spring-tx-3.0.xsd     12         http://www.springframework.org/schema/aop      13          http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">   14      <import resource="classpath:com/jsptpd/rjy/zyj/drools/beans-drools.xml"/>  15 </beans>  

 

beans-drools.xml

 1 <?xml version="1.0" encoding="UTF-8"?>   2 <beans xmlns="http://www.springframework.org/schema/beans"   3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   4        xmlns:drools="http://drools.org/schema/drools-spring"    5        xmlns:camel="http://camel.apache.org/schema/spring"   6        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd   7                            http://drools.org/schema/drools-spring http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-container/drools-spring/src/main/resources/org/drools/container/spring/drools-spring-1.0.0.xsd   8                            http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd">   9     10   <drools:kbase id="kbase1">  11      <drools:resources>  12           <!--不是<drools:resource type="DRL" source="classpath:com/jsptpd/rjy/zyj/service/Login.drl"/> -->  13          <drools:resource type="DRL" source="classpath:Login.drl"/>  14      </drools:resources>  15   </drools:kbase>  16     17   <drools:ksession id="ksession1" type="stateful" kbase="kbase1"/>  18     19    <bean id="vip" class="com.jsptpd.rjy.zyj.pojo.Vip" />  20    <bean id="loginService" class="com.jsptpd.rjy.zyj.service.LoginServiceImpl" >  21         <property name="vip" ref="vip" />  22    </bean>  23 </beans>  

  

LoginTest.java

 1 package com.jsptpd.rjy.zyj.junit;   2      3 import org.drools.runtime.StatefulKnowledgeSession;   4 import org.junit.Test;   5 import org.springframework.context.support.ClassPathXmlApplicationContext;   6      7 import com.jsptpd.rjy.zyj.service.LoginServiceImpl;   8      9 public class LoginTest {  10     @Test  11     public void testLogin(){  12         ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( "beans.xml" );  13         LoginServiceImpl loginServiceImpl= (LoginServiceImpl) context.getBean( "loginService" );  14         StatefulKnowledgeSession kstateless = (StatefulKnowledgeSession) context.getBean( "ksession1" );  15         loginServiceImpl.checkLogin(kstateless);  16         System.out.println("aa");  17     }  18 }  

   

LoginServiceImpl.java

 1 package com.jsptpd.rjy.zyj.service;   2      3 import org.drools.runtime.StatefulKnowledgeSession;   4 import org.drools.runtime.StatelessKnowledgeSession;   5 import org.springframework.context.support.ClassPathXmlApplicationContext;   6      7 import com.jsptpd.rjy.zyj.pojo.Vip;   8      9 public class LoginServiceImpl {  10         private Vip vip;  11     12         public Vip getVip() {  13             return vip;  14         }  15     16         public void setVip(Vip vip) {  17             this.vip = vip;  18         }  19                20         public void checkLogin(StatefulKnowledgeSession kstateless ){  21             System.out.println("s");  22             kstateless.insert(vip);  23             kstateless.fireAllRules();  24             kstateless.dispose();  25             System.out.println("e");  26         }  27              28         public static boolean checkDB(String name,String password){  29             //实际可以到数据库匹配  30             return name.trim().equals("jack")&&password.trim().equals("123");  31         }  32             33 }  

   

Login.drl

 1 #created on: 2011-10-24   2 package com.jsptpd.rjy.zyj.service   3      4 #list any import classes here.   5 import com.jsptpd.rjy.zyj.pojo.Vip;   6 import java.io.Console;   7 import java.util.Scanner;   8 import com.jsptpd.rjy.zyj.service.LoginServiceImpl   9     10 #declare any global variables here  11     12     13     14     15 rule "vip初次登录"  16     salience 100  17     when  18         $vip:Vip((name==null||name=="")&&  19                  (password==null||password=="") )  20     then  21         String tempName;  22         String tempPassword;  23         Console console=System.console();  24         Scanner scanner = new Scanner(System.in);  25         System.out.print("请输入用户名: ");     26         tempName=(console!=null?console.readLine():scanner.nextLine());  27         System.out.print("请输入密码： ");  28         tempPassword=(console!=null?new String(console.readPassword()):scanner.nextLine());  29         $vip.setName(tempName.trim());  30         $vip.setPassword(tempPassword.trim());  31         update($vip);  32 end  33     34 rule "没有输入密码"  35     salience  90  36     when  37        $vip:Vip((name!=null&&name!="")&&  38                  (password==null||password==""),$name:name)  39     then  40         String tempPassword="";  41         Console console=System.console();  42         Scanner scanner = new Scanner(System.in);  43         System.out.print("请输入密码： ");  44         tempPassword=(console!=null?new String(console.readPassword()):scanner.nextLine());  45         $vip.setPassword(tempPassword.trim());  46         update($vip);  47     48 end  49     50     51 rule "没有输入用户名"  52     salience  90  53     when  54        $vip:Vip((name==null||name=="")&&  55                  (password!=null&&password!=""),$password:password )  56     then  57         String tempName="";  58         Scanner scanner = new Scanner(System.in);  59         System.out.print("请输入用户名: ");     60         tempName=scanner.nextLine();  61         $vip.setName(tempName.trim());  62         update($vip);  63     64 end  65     66     67 rule "输入正确的用户名和密码"  68     salience  80  69     when  70        $vip:Vip((name!=null&&name!=""),  71                  (password!=null&&password!=""),LoginServiceImpl.checkDB(name,password) )  72     then  73         System.out.print(" 欢迎 !!!"+$vip.getName());   74     75 end  76     77 rule "输入错误的用户名和密码"  78     salience  80  79     when  80        $vip:Vip((name!=null&&name!=""),  81                  (password!=null&&password!=""),!LoginServiceImpl.checkDB(name,password) )  82     then  83         System.out.print(" 输入错误用户名或密码，请重新输入 !!!\n");      84         $vip.setName("");  85         $vip.setPassword("");  86         update($vip);  87 end