showentriesnetwork.java

一个对等计算发生器

/***************************************************************************
 *                                                                         *
 *                          ShowEntriesNetwork.java                        *
 *                            -------------------                          *
 *   date                 : 09.09.2004                                     *
 *   copyright            : (C) 2004/2005 Distributed and                  *
 *								Mobile Systems Group                       *
 *                              Lehrstuhl fuer Praktische Informatik       *
 *                              Universitaet Bamberg                       *
 *                              http://www.lspi.wiai.uni-bamberg.de/       *
 *   email                : [e-mail]              *
 *   						[e-mail]            *
 *                                                                         *
 *                                                                         *
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   A copy of the license can be found in the license.txt file supplied   *
 *   with this software or at: http://www.gnu.org/copyleft/gpl.html        *
 *                                                                         *
 ***************************************************************************/

package de.uniba.wiai.lspi.chord.console.command;

import de.uniba.wiai.lspi.chord.service.Report;
import de.uniba.wiai.lspi.util.console.Command;

/**
 * <p>
 * {@link Command} to show the entries of a node of local chord network. 
 * </p>
 * To get a description of this command type <code>entries -help</code> 
 * into the {@link de.uniba.wiai.lspi.chord.console.Main console}.
 * 
 * @author sven
 * @version 1.0.1
 */
public class ShowEntriesNetwork extends Command {

	/**
	 * The name of this command. 
	 */
    public static final String COMMAND_NAME = "entriesN";

    /** Creates a new instance of ShowFingerTable 
     * @param toCommand1 
     * @param out1 */
    public ShowEntriesNetwork(Object[] toCommand1, java.io.PrintStream out1) {
        super(toCommand1, out1);
    }

    /**
     * @param node
     */
    private void printEntriesForEndpoint(Report node) {
    	this.out.println(node.printEntries());
//    	if (node == null) {
//			out.println("No node present in JVM!");
//			return; 
//		}
//        this.out.println("Node obtained.");
//        Field[] fields = node.getClass().getDeclaredFields();
//        Field entriesField = null;
//        this.out.println("Searching for entries of node!");
//        for (int i = 0; (i < fields.length) && (entriesField == null); i++) {
//            if (fields[i].getType().equals(Entries.class)) {
//                entriesField = fields[i];
//                try {
//                    entriesField.setAccessible(true);
//                    out.println(entriesField.get(node)); 
//                } catch (IllegalAccessException e) {
//                    this.out.println("No access to entries of node!");
//                }
//            }
//        }
    }

    public void exec() {
    	/*
    	 * Quick & dirty!!!
    	 */
        this.printEntriesForEndpoint((Report)((RemoteChordNetworkAccess) this.toCommand[1]).getChordInstance());
    }

    public String getCommandName() {
        return COMMAND_NAME;
    }

    public void printOutHelp() {
        this.out
                .println("This command displays the entries of the chord node."); 
    }

}