PnfsGetCacheLocationsMessage.java

// $Id: PnfsGetCacheLocationsMessage.java,v 1.5 2007-05-24 13:51:05 tigran Exp $

package diskCacheV111.vehicles;

import java.util.List;

import diskCacheV111.util.PnfsId;

public class PnfsGetCacheLocationsMessage extends PnfsMessage {

    private List<String> _cacheLocations;

    private static final long serialVersionUID = 6603606352524630293L;

    public PnfsGetCacheLocationsMessage(){
	setReplyRequired(true);
    }

    public PnfsGetCacheLocationsMessage(PnfsId pnfsId){
	super(pnfsId);
	setReplyRequired(true);
    }

    public List<String> getCacheLocations(){
	return _cacheLocations;
    }

    public void setCacheLocations(List<String> cacheLocations){
    	_cacheLocations = cacheLocations;
    }
    public String toString(){
       StringBuilder sb = new StringBuilder() ;
       sb.append(getPnfsId()).append(";locs=") ;
       if( _cacheLocations != null ) {
           for (String location : _cacheLocations) {
               sb.append(location).
                       append(',');
           }
       }
       return sb.toString() ;
    }

    @Override
    public boolean invalidates(Message message)
    {
        return false;
    }

    @Override
    public boolean fold(Message message)
    {
        if (message.getClass().equals(PnfsGetCacheLocationsMessage.class)) {
            PnfsId pnfsId = getPnfsId();
            String path = getPnfsPath();
            PnfsGetCacheLocationsMessage msg =
                (PnfsGetCacheLocationsMessage) message;
            if ((pnfsId == null || pnfsId.equals(msg.getPnfsId())) &&
                (path == null || path.equals(msg.getPnfsPath())) &&
                (getSubject().equals(msg.getSubject()))) {
                setPnfsId(msg.getPnfsId());
                setPnfsPath(msg.getPnfsPath());
                setCacheLocations(msg.getCacheLocations());
                return true;
            }
        }

        return false;
    }
}