javadrools5_JavaDrools5.1规则流基础【示例】（中）

五、规则文件及规则流

EduInfoRule.drl:

package myrules;

import sample.Employ;

rule"Bachelor"

ruleflow-group"basic_salary"

when

emp:Employ(eduInfo &＃61;&＃61;"bachelor");

then

System.out.println("execrule Bachelor ... ");

emp.setBasicSalary(1500);

end

rule"Master"

ruleflow-group"basic_salary"

when

emp:Employ(eduInfo&＃61;&＃61;"master")

then

System.out.println("execrule Master ... ");

emp.setBasicSalary(2500);

end

Resume.drl

package myrules

import sample.Employ;

rule"Technician"

ruleflow-group"duty_salary"

when

emp:Employ(resume&＃61;&＃61;"tech")

then

System.out.println("execrule Technician ... ");

emp.setDutySalary(2000);

end

rule"Manager"

ruleflow-group"duty_salary"

when

emp:Employ(awardPunish&＃61;&＃61;"manager")

then

System.out.println("execrule manager ... ");

emp.setDutySalary(4500);

end

BonusRule.drl

package myrules

import sample.Employ;

rule"Excellent"

ruleflow-group"bonus_salary"

when

emp: Employ(annualExam&＃61;&＃61;"excellent")

then

System.out.println("execrule Excellent ... ");

emp.setBonus(1000*1.0);

end

rule"Good"

ruleflow-group"bonus_salary"

when

emp: Employ(annualExam&＃61;&＃61;"good")

then

System.out.println("execrule Good ... ");

emp.setBonus(1000*0.9);

end

rule"Common"

ruleflow-group"bonus_salary"

when

emp: Employ(annualExam&＃61;&＃61;"common")

then

System.out.println("execrule Common ... ");

emp.setBonus(1000*0.6);

end

rule"failing"

ruleflow-group"bonus_salary"

when

emp: Employ(annualExam&＃61;&＃61;"failing")

then

System.out.println("execrule failing ... ");

emp.setBonus(1000*0.0);

end

AwardPunish.drl

packagemyrules

importsample.Employ;

rule"Award"

ruleflow-group"award_punish"

when

emp:Employ(awardPunish&＃61;&＃61;"award")

then

System.out.println("execrule Award ... ");

emp.setPercent(1.10);

end

rule"Punishment"

ruleflow-group"award_punish"

when

emp:Employ(awardPunish&＃61;&＃61;"punish")

then

System.out.println("execrule Punishment ... ");

emp.setPercent(0.90);

end

rule"None"

ruleflow-group"award_punish"

when

emp:Employ(awardPunish&＃61;&＃61;"none")

then

System.out.println("execrule None ... ");

emp.setPercent(1.00);

end

TotalRule.drl

package myrules

import sample.Employ;

rule"Total"

ruleflow-group"sum_salary"

when

emp: Employ()

then

System.out.println("execrule Total ... ");

double total &＃61;emp.getBasicSalary() &＃43; emp.getDutySalary() &＃43;

emp.getBonus();

emp.setTotalSalary(total*emp.getPercent());

end

创建规则流文件simple.rf:

注意&＃xff1a;

[1]Split结点类型为OR&＃xff0c;约束选择alwaystrue.表示选择其规则组中所有符合事实的规则进行并发执行&＃xff1b;

[2] Join结点类型为AND&＃xff0c;表示当且进当上述规则组均执行完毕后&＃xff0c;才执行后面的规则或进程。