Spring如何整合规则语言Drools详解编程语言

一. beans 加入drools的命名空间

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


二.增加jar包库

drools-spring jar


三.spring 配置文件声明KnowledgeBase 配置文件

drools:kbase id= kBase

  drools:resources

  ! drools:resource type= 规则文件类型 source= 规则文件

  drools:resource type= DRL source= classpath:com/demo/insert.drl /

  /drools:resources

  ! drools:configuration drools:mbeans enabled= true / drools:event-processing-mode

  mode= STREAM / /drools:configuration

/drools:kbase


四.声明与规则引擎进行交互session.配置

StatelessKnowledgeSession在spring内配置

drools:ksession id= ksession1 type= stateless name= stateless1 kbase= kBase /

StatefulKnowledgeSession在spring内配置

drools:ksession id= session type= stateful kbase= kBase /


五.程序代码实例测试

  ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(

  new String[] { com/demo/spring/mydrools.xml });

  StatefulKnowledgeSession session = (StatefulKnowledgeSession) context

  .getBean( session );

  session.fireAllRules();

  session.dispose();

  System.out.println( end );

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