// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.eventbus.client.nonpublic;

import java.io.*;

public class ChannelServiceResult implements Serializable
{
    enum State { Normal, Serverlost, ForceClose}

    private int mMessageSequenceNumber;
    private State mState;
    private ChannelServicePackage mPackage;

    /**
     * @deprecated GWT ONLY
     */
    public ChannelServiceResult()
    {
    }

    private ChannelServiceResult( int pMessageSequenceNumber, State pState,
                                  ChannelServicePackage pPackage )
    {
        mMessageSequenceNumber = pMessageSequenceNumber;
        mState = pState;
        mPackage = pPackage;
    }

    public static ChannelServiceResult forceClose( int pMessageSequenceNumber )
    {
        return new ChannelServiceResult( pMessageSequenceNumber, State.ForceClose, null );
    }

    public static ChannelServiceResult serverLost( int pMessageSequenceNumber )
    {
        return new ChannelServiceResult( pMessageSequenceNumber, State.Serverlost, null );
    }

    public static ChannelServiceResult normal( int pMessageSequenceNumber, ChannelServicePackage pPackage )
    {
        return new ChannelServiceResult( pMessageSequenceNumber, State.Normal, pPackage );
    }

    public int getMessageSequenceNumber()
    {
        return mMessageSequenceNumber;
    }

    public boolean isForceClose()
    {
        return State.ForceClose.equals( mState );
    }

    public boolean isServerLost()
    {
        return State.Serverlost.equals( mState );
    }

    public ChannelServicePackage getPackage()
    {
        return mPackage;
    }
}