【java】drools动态执行不同规则文件的规则

假设有两个规则文件，具体执行哪一个规则文件需要根据配置文件来动态确定，那么，可以通过下述的方式实现： 

package com.drools;

import java.io.File;
import java.net.URLDecoder;
import java.util.Collection;
import java.util.Scanner;

import org.drools.core.impl.InternalKnowledgeBase;
import org.drools.core.impl.KnowledgeBaseFactory;
import org.kie.api.definition.KiePackage;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.StatelessKieSession;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;

@SuppressWarnings("restriction")
public class Test2 {

	public static void main(String[] args) {

		try {

			Scanner in = new Scanner(System.in);
			System.out.println("请输入需要评级的分数：（输入0退出循环）");
			int data = in.nextInt();
			while (data != 0) {
				Score s = new Score(data);

				// load up the knowledge base
				KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
				String filePath = Test2.class.getClassLoader().getResource("com/drools/rules/rule1.drl").getPath();
				//String filePath = Test2.class.getClassLoader().getResource("com/drools/rules/rule1.dr2").getPath();
				File file = new File(URLDecoder.decode(filePath, "utf-8"));
				kbuilder.add(ResourceFactory.newFileResource(file), ResourceType.DRL);
				InternalKnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
				Collection<KiePackage> ss = kbuilder.getKnowledgePackages();
				kbase.addPackages(ss);
				StatelessKieSession ksession = kbase.newStatelessKieSession();
				ksession.execute(s);

				System.out.println("请输入需要评级的分数：（输入0退出循环）");
				data = in.nextInt();
			}
		} catch (Throwable t) {
			t.printStackTrace();
		}
	}

}