Pool2PoolTransferMsg.java

// $Id: Pool2PoolTransferMsg.java,v 1.8 2006-04-18 07:13:47 patrick Exp $

package diskCacheV111.vehicles;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;

import java.util.EnumSet;

import diskCacheV111.util.PnfsId;

import org.dcache.namespace.FileAttribute;
import org.dcache.vehicles.FileAttributes;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.dcache.namespace.FileAttribute.*;


public class Pool2PoolTransferMsg extends PoolMessage {

    public static final ImmutableSet<FileAttribute> NEEDED_ATTRIBUTES =
            Sets.immutableEnumSet(PNFSID, STORAGEINFO, CHECKSUM, SIZE, ACCESS_LATENCY, RETENTION_POLICY,
                                  STORAGECLASS, CACHECLASS, HSM, FLAGS);

    public static final int   UNDETERMINED = 0 ;
    public static final int   PRECIOUS     = 1 ;
    public static final int   CACHED       = 2 ;

    private final FileAttributes _fileAttributes;

    private final String      _destinationPoolName;
    private int         _destinationFileStatus = UNDETERMINED ;

    private static final long serialVersionUID = -4227857007512530410L;

    public Pool2PoolTransferMsg( String sourcePoolName ,
                                 String destinationPoolName ,
                                 FileAttributes fileAttributes){
        super( sourcePoolName ) ;

        checkNotNull(fileAttributes);
        checkArgument(fileAttributes.isDefined(EnumSet.of(PNFSID)));

        _fileAttributes = fileAttributes;
        _destinationPoolName = destinationPoolName ;
        setReplyRequired(true);
    }

    public PnfsId getPnfsId()
    {
        return _fileAttributes.getPnfsId();
    }

    public String getSourcePoolName(){ return getPoolName() ; }
    public String getDestinationPoolName(){ return _destinationPoolName ; }

    public void setDestinationFileStatus( int status ){
       _destinationFileStatus = status ;
    }
    public int getDestinationFileStatus(){
       return _destinationFileStatus ;
    }

    public FileAttributes getFileAttributes()
    {
        return _fileAttributes;
    }

    public String toString(){
       return getPoolName()+";pnfsid=" + _fileAttributes.getPnfsId() + ";mode="+
             ( _destinationFileStatus==UNDETERMINED?
                "Undetermined":
                ( _destinationFileStatus==PRECIOUS?"Precious":"Cached" ));
    }

    @Override
    public String getDiagnosticContext() {
        return super.getDiagnosticContext() + ' ' + getPnfsId();
    }

}