package net.spy.memcached.protocol.binary;import net.spy.memcached.ops.DeleteOperation;import net.spy.memcached.ops.OperationCallback;import net.spy.memcached.ops.OperationStatus;class DeleteOperationImpl extends OperationImpl implements		DeleteOperation {	private static final int CMD=4;	private final String key;	private final long cas;	public DeleteOperationImpl(String k, OperationCallback cb) {		this(k, 0, cb);	}	public DeleteOperationImpl(String k, long c, OperationCallback cb) {		super(CMD, generateOpaque(), cb);		key=k;		cas=c;	}	@Override	public void initialize() {		prepareBuffer(key, cas, EMPTY_BYTES);	}	@Override	protected OperationStatus getStatusForErrorCode(int errCode, byte[] errPl) {		return errCode == ERR_NOT_FOUND ? NOT_FOUND_STATUS : null;	}}