StreamDataProceedMessage.java

package org.openlcb;

// For annotations
import net.jcip.annotations.*; 
import edu.umd.cs.findbugs.annotations.*; 

/**
 * Stream Data Proceed message implementation
 *
 * @author  Bob Jacobsen   Copyright 2009
 * @version $Revision$
 */
@Immutable
@ThreadSafe
public class StreamDataProceedMessage extends AddressedPayloadMessage {
    
    public StreamDataProceedMessage(NodeID source, NodeID dest, 
                        byte sourceStreamID, byte destStreamID, int flags) {
        super(source, dest, new byte[] {sourceStreamID, destStreamID, (byte)((flags>>8)&0xFF), (byte)(flags&0xFF)});
        this.sourceStreamID = sourceStreamID;
        this.destStreamID = destStreamID;
        this.flags = flags;
    }
        
    byte sourceStreamID;
    byte destStreamID;
    int flags;
    
    public byte getSourceStreamID() { return sourceStreamID; }
    public byte getDestinationStreamID() { return destStreamID; }

    /**
     * Implement message-type-specific
     * processing when this message
     * is received by a node.
     *<p>
     * Default is to do nothing.
     */
     @Override
     public void applyTo(MessageDecoder decoder, Connection sender) {
        decoder.handleStreamDataProceed(this, sender);
     }

    public boolean equals(Object o) {
        if (!super.equals(o)) return false;
        StreamDataProceedMessage p = (StreamDataProceedMessage) o;
        if (sourceStreamID != p.sourceStreamID) return false;
        if (destStreamID != p.destStreamID) return false;
        return super.equals(o);
    }

    public String toString() {
        return super.toString()
                +" srcId=" + sourceStreamID + " dstId=" + destStreamID;
    }

    @Override
    public MessageTypeIdentifier getEMTI() {
        return MessageTypeIdentifier.StreamDataProceed;
    }
}