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spring和Drools规则引擎的使用

Easter79

2021-10-12

1586 1 0

Drools5.2.0.Final与Spring3集成测试

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

Xml代码 复制代码  收藏代码

  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>
<?xml version="1.0" encoding="UTF-8"?>

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

 

beans-drools.xml

Xml代码 复制代码  收藏代码

  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. <drools:kbase id="kbase1">

  10. drools:resources\

  11. <!--不是<drools:resource type="DRL" source="classpath:com/jsptpd/rjy/zyj/service/Login.drl"/> -->

  12. <drools:resource type="DRL" source="classpath:Login.drl"/>

  13. </drools:resources>

  14. </drools:kbase>

  15. <drools:ksession id="ksession1" type="stateful" kbase="kbase1"/>

  16. <bean id="vip" class="com.jsptpd.rjy.zyj.pojo.Vip" />

  17. <bean id="loginService" class="com.jsptpd.rjy.zyj.service.LoginServiceImpl" >

  18. <property name="vip" ref="vip" />

  19. </bean>

  20. </beans>

<?xml version="1.0" encoding="UTF-8"?>

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

 

LoginTest.java

Java代码 复制代码  收藏代码

  1. package com.jsptpd.rjy.zyj.junit;

  2. import org.drools.runtime.StatefulKnowledgeSession;

  3. import org.junit.Test;

  4. import org.springframework.context.support.ClassPathXmlApplicationContext;

  5. import com.jsptpd.rjy.zyj.service.LoginServiceImpl;

  6. public class LoginTest {

  7. @Test

  8. public void testLogin(){

  9. ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( "beans.xml" );

  10. LoginServiceImpl loginServiceImpl= (LoginServiceImpl) context.getBean( "loginService" );

  11. StatefulKnowledgeSession kstateless = (StatefulKnowledgeSession) context.getBean( "ksession1" );

  12. loginServiceImpl.checkLogin(kstateless);

  13. System.out.println("aa");

  14. }

  15. }

package com.jsptpd.rjy.zyj.junit;

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

 

LoginServiceImpl.java

Java代码 复制代码  收藏代码

  1. package com.jsptpd.rjy.zyj.service;

  2. import org.drools.runtime.StatefulKnowledgeSession;

  3. import org.drools.runtime.StatelessKnowledgeSession;

  4. import org.springframework.context.support.ClassPathXmlApplicationContext;

  5. import com.jsptpd.rjy.zyj.pojo.Vip;

  6. public class LoginServiceImpl {

  7. private Vip vip;

  8. public Vip getVip() {

  9. return vip;

  10. }

  11. public void setVip(Vip vip) {

  12. this.vip = vip;

  13. }

  14. public void checkLogin(StatefulKnowledgeSession kstateless ){

  15. System.out.println("s");

  16. kstateless.insert(vip);

  17. kstateless.fireAllRules();

  18. kstateless.dispose();

  19. System.out.println("e");

  20. }

  21. public static boolean checkDB(String name,String password){

  22. //实际可以到数据库匹配

  23. return name.trim().equals("jack")&&password.trim().equals("123");

  24. }

  25. }

package com.jsptpd.rjy.zyj.service;

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

 

Login.drl

Java代码 复制代码  收藏代码

  1. #created on: 2011-10-24

  2. package com.jsptpd.rjy.zyj.service

  3. #list any import classes here.

  4. import com.jsptpd.rjy.zyj.pojo.Vip;

  5. import java.io.Console;

  6. import java.util.Scanner;

  7. import com.jsptpd.rjy.zyj.service.LoginServiceImpl

  8. #declare any global variables here

  9. rule "vip初次登录"

  10. salience 100

  11. when

  12. $vip:Vip((name==null||name=="")&&

  13. (password==null||password=="") )

  14. then

  15. String tempName;

  16. String tempPassword;

  17. Console console=System.console();

  18. Scanner scanner = new Scanner(System.in);

  19. System.out.print("请输入用户名: ");

  20. tempName=(console!=null?console.readLine():scanner.nextLine());

  21. System.out.print("请输入密码： ");

  22. tempPassword=(console!=null?new String(console.readPassword()):scanner.nextLine());

  23. $vip.setName(tempName.trim());

  24. $vip.setPassword(tempPassword.trim());

  25. update($vip);

  26. end

  27. rule "没有输入密码"

  28. salience 90

  29. when

  30. $vip:Vip((name!=null&&name!="")&&

  31. (password==null||password==""),$name:name)

  32. then

  33. String tempPassword="";

  34. Console console=System.console();

  35. Scanner scanner = new Scanner(System.in);

  36. System.out.print("请输入密码： ");

  37. tempPassword=(console!=null?new String(console.readPassword()):scanner.nextLine());

  38. $vip.setPassword(tempPassword.trim());

  39. update($vip);

  40. end

  41. rule "没有输入用户名"

  42. salience 90

  43. when

  44. $vip:Vip((name==null||name=="")&&

  45. (password!=null&&password!=""),$password:password )

  46. then

  47. String tempName="";

  48. Scanner scanner = new Scanner(System.in);

  49. System.out.print("请输入用户名: ");

  50. tempName=scanner.nextLine();

  51. $vip.setName(tempName.trim());

  52. update($vip);

  53. end

  54. rule "输入正确的用户名和密码"

  55. salience 80

  56. when

  57. $vip:Vip((name!=null&&name!=""),

  58. (password!=null&&password!=""),LoginServiceImpl.checkDB(name,password) )

  59. then

  60. System.out.print(" 欢迎 !!!"+$vip.getName());

  61. end

  62. rule "输入错误的用户名和密码"

  63. salience 80

  64. when

  65. $vip:Vip((name!=null&&name!=""),

  66. (password!=null&&password!=""),!LoginServiceImpl.checkDB(name,password) )

  67. then

  68. System.out.print(" 输入错误用户名或密码，请重新输入 !!!\n");

  69. $vip.setName("");

  70. $vip.setPassword("");

  71. update($vip);

  72. end

#created on: 2011-10-24

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