fibonaccijndiexample.java

drools 一个开放源码的规则引擎

package org.drools.examples.fibonacci;

/*
 * $Id: FibonacciJNDIExample.java,v 1.8 2005/11/25 02:35:33 mproctor Exp $
 *
 * Copyright 2001-2003 (C) The Werken Company. All Rights Reserved.
 *
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 * and/or other materials provided with the distribution.
 *
 * 3. The name "drools" must not be used to endorse or promote products derived
 * from this Software without prior written permission of The Werken Company.
 * For written permission, please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "drools" nor may
 * "drools" appear in their names without prior written permission of The Werken
 * Company. "drools" is a trademark of The Werken Company.
 *
 * 5. Due credit should be given to The Werken Company. (http://werken.com/)
 *
 * THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 */

import java.io.IOException;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

import org.drools.DroolsException;
import org.drools.RuleBase;
import org.drools.WorkingMemory;
import org.drools.io.RuleBaseLoader;
import org.drools.io.RuleSetLoader;
import org.drools.smf.RuleSetPackage;
import org.xml.sax.SAXException;

public class FibonacciJNDIExample
{
    private static void initJNDI(String namingFactory, String drl)
        throws DroolsException,
               SAXException,
               IOException,
               NamingException
    {
//        System.setProperty( "java.naming.factory.initial", namingFactory );
//
//        System.setProperty( "org.osjava.jndi.shared", "true" );
//
//        RuleSetPackage ruleSetPackage = RuleSetLoader.loadFromUrl( FibonacciJNDIExample.class.getResource( drl ) );        
//        RuleBase ruleBase = RuleBaseLoader.loadFromRuleSetPackage( ruleSetPackage );           
//
//        Context context = new InitialContext();
//        context.bind( "fibonacci", ruleBase );
    }

    public static void main(String[] args) throws DroolsException,
                                                  NamingException,
                                                  SAXException,
                                                  IOException
    {
//        if ( args.length != 2 )
//        {
//            System.out.println( "Usage: "
//                                + FibonacciJNDIExample.class.getName( )
//                                + " [jndi initial context] [drl file]" );
//            return;
//        }
//        System.out.println( "Using drl: " + args[1] );
//
//        initJNDI( args[0], args[1] );
//
//        Context context = new InitialContext( );
//        context.
//        
//        RuleBase ruleBase = ( RuleBase ) context.lookup( "fibonacci" );
//
//        WorkingMemory workingMemory = ruleBase.newWorkingMemory( );
//
//        org.drools.examples.fibonacci.Fibonacci fibonacci = new Fibonacci( 50 );
//
//        long start = System.currentTimeMillis( );
//
//        workingMemory.assertObject( fibonacci );
//
//        workingMemory.fireAllRules( );
//
//        long stop = System.currentTimeMillis( );
//
//        System.out.println( "fibanacci(" + fibonacci.getSequence( ) + ") == "
//                            + fibonacci.getValue( ) + " took "
//                            + ( stop - start ) + "ms" );
    }

}