newsdbgroup.java

java高级使用教程 全书一共分六章

// NewsDbGroup - netnews database group
//
// Copyright (C) 1996 by Jef Poskanzer <[e-mail]>.  All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
//
// Visit the ACME Labs Java page for up-to-date versions of this and other
// fine Java utilities: http://www.acme.com/java/

package Acme.Nnrpd;

import java.io.*;
import java.util.*;
import java.net.*;

/// Netnews database group.
// <P>
// This represents a news database group.
// <P>
// <A HREF="/resources/classes/Acme/Nnrpd/NewsDbGroup.java">Fetch the software.</A><BR>
// <A HREF="/resources/classes/Acme.tar.gz">Fetch the entire Acme package.</A>

public class NewsDbGroup
    {

    private long dbStamp;
    private String name;
    private int numArts, firstArtNum, lastArtNum;
    private char flag;
    private String description;

    /// Constructor.
    public NewsDbGroup( long dbStamp, String name, int numArts, int firstArtNum, int lastArtNum, char flag, String description )
	{
	this.dbStamp = dbStamp;
	this.name = name;
	this.numArts = numArts;
	this.firstArtNum = firstArtNum;
	this.lastArtNum = lastArtNum;
	this.flag = flag;
	this.description = description;
	}

    /// Get the database stamp.
    // This is used internally when dealing with multiple news databases,
    // to make sure that an obect returned from one is not passed to another.
    protected long getDbStamp()
	{
	return dbStamp;
	}

    /// Get the group name.
    public String getName()
	{
	return name;
	}

    /// Get the estimated number of articles in the group.
    public int getNumArts()
	{
	return numArts;
	}

    /// Get the number of the first article in the group.
    public int getFirstArtNum()
	{
	return firstArtNum;
	}

    /// Get the number of the last article in the group.
    public int getLastArtNum()
	{
	return lastArtNum;
	}

    /// The group type - 'y', 'm', etc.
    public char getFlag()
	{
	return flag;
	}

    /// The group's description.
    public String getDescription()
	{
	return description;
	}

    }