• 北京: 千橡集团暨校内网诚聘软件研发工程师
• 搜狐网站诚聘Java、PHP和C++工程师

package com.sample.hanoi

/*

	

*/
#list any import classes here.


#declare any global variables here

rule "apply for the n=1"
	when
		#conditions
		h : Hanoi( sequence == 1 )
	then 
		#actions
		System.out.println( h.getOne() + " -> " + h.getThree() );
		
end


rule "apply for the n>1."
	#include attributes such as "salience" here...
	when
		#conditions
		h : Hanoi( sequence > 1 )
	then 
		#actions
		insert( new Hanoi( h.getSequence() - 1,h.getTwo(),h.getOne(),h.getThree() ) );
		insert( new Hanoi( 1, h.getOne(), h.getTwo(), h.getThree()) );
		insert( new Hanoi( h.getSequence() - 1,h.getOne(),h.getThree(),h.getTwo() ) );
		
end

public class Hanoi {

	private String one;
	private String two;
	private String three;
	
	private int sequence;

	public Hanoi() {
		super();
	}

	public Hanoi(int sequence) {
		super();
		this.sequence = sequence;
	}
	
	

	public Hanoi(int sequence, String one, String two, String three ) {
		super();
		this.one = one;
		this.two = two;
		this.three = three;
		this.sequence = sequence;
	}

	/**
	 * @return the sequence
	 */
	public int getSequence() {
		return sequence;
	}

	/**
	 * @param sequence the sequence to set
	 */
	public void setSequence(int sequence) {
		this.sequence = sequence;
	}

	/**
	 * @return the one
	 */
	public String getOne() {
		return one;
	}

	/**
	 * @param one the one to set
	 */
	public void setOne(String one) {
		this.one = one;
	}

	/**
	 * @return the two
	 */
	public String getTwo() {
		return two;
	}

	/**
	 * @param two the two to set
	 */
	public void setTwo(String two) {
		this.two = two;
	}

	/**
	 * @return the three
	 */
	public String getThree() {
		return three;
	}

	/**
	 * @param three the three to set
	 */
	public void setThree(String three) {
		this.three = three;
	}
	
	
}

public class HanoiExample {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception  {
		final PackageBuilder builder = new PackageBuilder();
        builder.addPackageFromDrl( new InputStreamReader( FibonacciExample.class.getResourceAsStream( "/Hanoi.drl" ) ) );

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        ruleBase.addPackage( builder.getPackage() );

        final StatefulSession session = ruleBase.newStatefulSession();
        
        session.insert( new Hanoi( 4, "A", "B", "C" ) );

        session.fireAllRules();

        session.dispose(); // Stateful rule session must always be disposed when finished
	}

• 北京: 千橡集团暨校内网诚聘软件研发工程师
• 搜狐网站诚聘Java、PHP和C++工程师

①package com.sample   //包名，不可以与关键字冲突
②import com.sample.DroolsTest.Message;//本文件需要导入的类
③global java.util.List myGlobalList;//全局变量
④//定义函数体
function String hello(String name) {
    return "Hello "+name+"!";
}

⑤rule "myRule"  
no-loop true  //执行一次后，是否能被再次激活
salience 100  //优先级别
⑥when  
m : Message( status == Message.HELLO, message : message ) 
⑦then    
m.setMessage( "Goodbye cruel world" );
		m.setStatus( Message.GOODBYE );
		update( m );
    myGlobalList.add( "Hello World" );//使用global 变量
    System.out.println( hello( "Bob" ) );//调用定义函数
End

• 北京: 千橡集团暨校内网诚聘软件研发工程师
• 搜狐网站诚聘Java、PHP和C++工程师

• 北京: 千橡集团暨校内网诚聘软件研发工程师
• 搜狐网站诚聘Java、PHP和C++工程师

• 搜狐网站诚聘Java、PHP和C++工程师
• 北京: 千橡集团暨校内网诚聘软件研发工程师

• 北京: 千橡集团暨校内网诚聘软件研发工程师
• 搜狐网站诚聘Java、PHP和C++工程师