drools的简单例子

package com.sample.test; import java.util.Iterator; import org.drools.QueryResult; import org.drools.QueryResults; import org.drools.RuleBase; import org.drools.WorkingMemory; import com.sample.DroolsTest; import com.sample.User; import com.sample.UserDao; import com.sample.DroolsTest.Message; public class SampleTest { public static void main(String[] args) { try { SampleTest st = new SampleTest(); st.functinTest(); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } public void test1() throws Exception { RuleBase ruleBase = DroolsTest.readRule(); WorkingMemory workingMemory = ruleBase.newStatefulSession(); Message message = new Message(); message.setMessage("Hello World"); message.setStatus(Message.HELLO); workingMemory.insert(message); User user = new User(); user.setName("dinghui"); user.setPassword("11111111"); user.setSequence(1); workingMemory.insert(user); UserDao userdao = new UserDao(); workingMemory.setGlobal("ud", userdao);// ud 对应规则文件里global的 ud workingMemory.fireAllRules(); } public void test2() throws Exception { RuleBase ruleBase = DroolsTest.readRule(); WorkingMemory workingMemory = ruleBase.newStatefulSession(); UserDao userdao = new UserDao(); workingMemory.setGlobal("ud", userdao);// ud 对应规则文件里global的 ud Vo vo = new Vo("dinghui"); workingMemory.insert(vo); workingMemory.fireAllRules(); } public void queryVo()throws Exception{ RuleBase ruleBase = DroolsTest.readRule(); WorkingMemory workingMemory = ruleBase.newStatefulSession(); UserDao userdao = new UserDao(); workingMemory.setGlobal("ud", userdao);// ud 对应规则文件里global的 ud workingMemory.fireAllRules(); QueryResults results = workingMemory.getQueryResults( "query v num > 20"); System.out.println( "we have " + results.size()); for ( Iterator it = results.iterator(); it.hasNext(); ) { QueryResult result = ( QueryResult ) it.next(); Vo vo = ( Vo ) result.get( "vo" ); System.out.println(vo.getName() + "\n" ); } } public void functinTest()throws Exception{ RuleBase ruleBase = DroolsTest.readRule(); WorkingMemory workingMemory = ruleBase.newStatefulSession(); UserDao userdao = new UserDao(); workingMemory.setGlobal("ud", userdao);// ud 对应规则文件里global的 ud 全局变量 workingMemory.insert("hehe"); workingMemory.fireAllRules(); } public static class Vo { private String name; private Integer num; public Integer getNum() { return num; } public void setNum(Integer num) { this.num = num; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Vo() { } public Vo(String name) { super(); this.name = name; } public Vo(String name, Integer num) { super(); this.name = name; this.num = num; } } }