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

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/**
 * PROJECT   : jPac PLC communication library
 * MODULE    : ReceiveTransaction.java
 * 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.plc;

import java.io.IOException;
import java.util.concurrent.ArrayBlockingQueue;

/**
 * represents a receive transaction
 * @author Ulbrich
 */
public abstract class ReceiveTransaction extends Transaction {
    protected Data receiveData;

    public ReceiveTransaction(Connection conn) {
        super(conn);
        requestQueue = new ArrayBlockingQueue(REQUESTQUEUECAPACITY);
    }
    
    public abstract void transact() throws IOException;

    public Data getData() {
        return receiveData;
    }

    public void setData(Data data) {
       receiveData = data;
    }    
}