database.java

用jAVA编写的非常优秀的规则引擎.里面有详细的说明文档

package gov.sandia.jess.example.pricing;

import gov.sandia.jess.example.pricing.model.Order;

import java.util.Collection;

public interface Database {
	public Collection getCatalogItems();
	public Order getOrder(int orderNumber);
}