//规则rule1的注释,这是一个单行注释 rule "rule1" when then System.out.println("rule1触发"); end /* 规则rule2的注释,这是一个多行注释 */ rule "rule2" when then System.out.println("rule2触发"); end 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 4.4 Pa...
RBES包括三部分:Rule Base(knowledge base)、Working Memory(fact base)和Inference Engine。它们的结构如下系统所示: 图1 基于规则的专家系统构成 如图1所示,推理引擎包括三部分:模式匹配器(Pattern Matcher)、议程(Agenda)和执行引擎(Execution Engine)。推理引擎通过决定哪些规则满足事实或目标,并授予规则优先级,满足...
Rule<UserPortrait, UserPortraitRuleContext> {}//规则4:根据用户的活跃度进行资源过滤,具体逻辑省略public class UserPortraitRule extends BasicRule<UserPortrait, UserPortraitRuleContext> {}//我们通过spring将这些规则串起来组成一个一个请求链 <bean name="serviceAvailableRule" class="com.dianping.takeaway.Servi...
engine.EngineBase - 决策树引擎=>规则决策树 userId:Oli09pLkdjh treeId:10001 treeNode:112 ruleKey:userAge matterValue:29 23:35:05.715 [main] INFO org.itstack.demo.design.test.ApiTest - 测试结果:{"nodeId":112,"nodeValue":"果实B","success":true,"treeId":10001,"userId":"Oli09pLkdjh...
引言设计模式(Design pattern)代表了最佳的实践,通常被有经验的面向对象的软件开发人员所采用。设计模式是软件开发人员在软件开发过程中面临的一般问题的解决方案。这些解决方案是众多软件开发人员经过相当长的一段时间的试验和错误总结出来的,同时策略模式从一定程度解决了多重条件判断带来的代码冗余及紧耦合的问题。策略模...
derived class 派生类design by contract 契约式设计design pattern 设计模式destroy 销毁destructor(dtor) 析构函数、析构器device 设备DHTML (dynamic HyperText Markup Language) 动态超文本标记语言dialog 对话框digest 摘要digital 数字的DIME (Direct Internet Message Encapsulation) 直接 Internet 消息封装...
design by contract 契约式设计 design pattern 设计模式 destroy 销毁 destructor(dtor)析构函数、析构器 device 设备 DHTML (dynamic HyperText Markup Language)动态超文本标记语言 dialog 对话框 digest 摘要 digital 数字的 DIME (Direct Internet Message Encapsulation)直接Internet消息封装 ...
Scene Builder - JavaFX Scene Builder is a visual layout tool that lets users quickly design JavaFX application user interfaces, without coding. Users can drag and drop UI components to a work area, modify their properties, apply style sheets, and the FXML code for the layout that they are cr...
rule "Testing Comments" when // this is a single line comment eval( true ) // this is a comment in the same line of a pattern then // this is a comment inside a semantic code block end When represents a condition, then is an action that can be performed after the condition is met...
This basic pattern of GuardedObject and Guard is very general, and we expect that by extending the basic Guard and GuardedObject classes, developers can easily obtain quite powerful access control tools. For example, per-method invocation can be achieved with an appropriate Guard for each method,...