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Open-source runtime system for component-based implementation of automation solutions with Java

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/**
 * PROJECT   : Elbfisch - java process automation controller (jPac) 
 * MODULE    : UnsubscribeAcknowledgement.java (versatile input output subsystem)
 * VERSION   : -
 * DATE      : -
 * PURPOSE   : 
 * AUTHOR    : Bernd Schuster, MSK Gesellschaft fuer Automatisierung mbH, Schenefeld
 * REMARKS   : -
 * CHANGES   : CH#n   
 *
 * This file is part of the jPac process automation controller.
 * jPac 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 3 of the License, or
 * (at your option) any later version.
 *
 * jPac 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 the jPac If not, see .
 */

package org.jpac.ef;

import io.netty.buffer.ByteBuf;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author berndschuster
 */
public class UnsubscribeAcknowledgement extends Acknowledgement{
    protected List listOfResults;
    
    public UnsubscribeAcknowledgement(){
        super(MessageId.AckSubscribe);
        listOfResults = new ArrayList<>();
    }

    public UnsubscribeAcknowledgement(List listOfResults){
        this();
        this.listOfResults = listOfResults;
    }
    
    public List getListOfResults(){
        return this.listOfResults;
    }
        
    //server side
    @Override
    public void encode(ByteBuf byteBuf){
        super.encode(byteBuf);
        byteBuf.writeInt(listOfResults.size());
        listOfResults.forEach((r) -> byteBuf.writeInt(r));
    }

    //client side
    @Override
    public void decode(ByteBuf byteBuf){
        super.decode(byteBuf);
        int length = byteBuf.readInt();
        for(int i = 0; i < length; i++){
            listOfResults.add(byteBuf.readInt());
        }
    }
    
 @Override
    public String toString(){
        return super.toString() + (listOfResults != null ? ", " +  listOfResults.size() : "") + ")";
    }    
}