nodesection.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.

  * 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.

  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.engine.QueueNet;

import jmt.engine.dataAnalysis.InverseMeasure;
import jmt.engine.dataAnalysis.Measure;
import jmt.engine.random.Parameter;

/**
 * This class implements a generic section of a NetNode.
 * @author Francesco Radaelli, Stefano Omini
 */
public abstract class NodeSection {

	/*------------------------------ADDRESSES---------------------------------*/

	/** Section without address.*/
	public static final byte NO_ADDRESS = 0x00;
	/** Input section address */
	public static final byte INPUT = 0x01;
	/** Service section address. */
	public static final byte SERVICE = 0x02;
	/** Output section address.*/
	public static final byte OUTPUT = 0x03;

	/*-----------------------NODE SECTION RETURNED VALUES---------------------*/

	/** Message passed has not been processed (general event).*/
	public static final int MSG_NOT_PROCESSED = 0x0000;

	/** Message passed has been processed (all events).*/
	public static final int MSG_PROCESSED = 0x0001;

	/*------------------------------BIT MASK----------------------------------*/

	static final int SOURCE_MASK = 0xFF000000;

	static final int DESTINATION_MASK = 0x00FF0000;

	static final int SOURCE_SHIFT = 24;

	static final int DESTINATION_SHIFT = 16;

	/*------------------------------------------------------------------------*/

	/** Exception ID: Required measure doesn't exist. */
	public final int EXCEPTION_MEASURE_DOES_NOT_EXIST = 0x0001;
	/** Exception ID: Required property is not available. */
	public static final int EXCEPTION_PROPERTY_NOT_AVAILABLE = 0x0002;


    //TODO: attenzione, non tutte queste propriet