reteexample.drl

人工智能中基于产生式规则的经典规则匹配与推理算法-RETE算法实现示例；包括文档说明

package com.sample.rete

/*
 * This rule code and the accompanying presentation is licensed for use in the United States under a
 * Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License
 * http://creativecommons.org/licenses/by-nc-sa/3.0/us/
 * All other rights reserved, copyright 2008, EBDX.COM, LLC

 * Author: Lawrence Terrill, Sr. Partner, EBDX.COM, LLC, 5/1/2008
 * This code supports the presentation, Basics of Rete, by Lawrence Terrill
 * 
 */
 
rule "rule-1"
	when
		a: A( a1 == 1, $x: a2 )
		b: B( b1 == 2, $y: b2, b3 == $x )
		c: C( c1 == $y)
	then
		System.out.println( "rule-1 fired: " + a + ", " + b + ", " + c ); 
end

rule "rule-2"
	when
		b: B( b1 == 2, $y: b2 )
		d: D( d1 == 300, d2 == $y )
	then
		System.out.println( "rule-2 fired: " + b + ", " + d  ); 
end

rule "rule-3"
	when
		b: B( b1 == 2, $y: b2, $z: b3 )
		d: D( d1 == 300, d2 == $y )
		e: E( e1 == $z )
	then
		System.out.println( "rule-3 fired: " + b + ", " + d + ", " + e ); 
end