privilegedservice.java

移动Agent编程工具Naplet

/*
 * @<#>PrivilegedAppService.java version 0.0.1, 1/1/2001
 *
 * THIS PROGRAM IS FREE SOFTWARE; YOU CAN DISTRIBUTE IT AND/OR
 * MODIFY IT UNDER THE TERMS OF THE GNU GENERAL PUBLIC LICENSE
 * AS PUBLISHED BY THE FREE SOFTWARE FOUNDATION.
 *
 * THIS PROGRAM IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL,
 * BUT WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SEE THE
 * GNU GENERAL PUBLIC LICENSE FOR MORE DETAILS.
 *
 * Copyright (c) 2000 Wayne State University. All Rights Reserved.
 */
package naplet.resource;

import naplet.*;
import naplet.serviceChannel.*;

/**
 * The <code>PrivilegedService</code> class defines a generic application
 * service with service name and a pair of input/output streams
 * between serivces and naplets.
 *
 * @version 0.0.1, 1/1/2001
 * @author C. Xu
 */
public abstract class PrivilegedService implements Runnable {
	protected ServiceReader inReader;  // Input stream from Naplet
	protected ServiceWriter outWriter; // Output stream to Naplet

	protected ServiceInputStream inStream;  // input stream from Naplet
      protected ServiceOutputStream outStream; // output stream to Naplet

	public PrivilegedService() {};

	public void setIO( ServiceReader in, ServiceWriter out )
	{
		this.inReader = in;
		this.outWriter = out;
	}

	public void setIOStream( ServiceInputStream in,
					 ServiceOutputStream out )
	{
		this.inStream = in;
		this.outStream = out;
	}
	public abstract void run();
}