// Copyright (c) 2006  Dustin Sallings <dustin@spy.net>package net.spy.memcached.protocol.ascii;import java.nio.ByteBuffer;import net.spy.memcached.ops.NoopOperation;import net.spy.memcached.ops.OperationCallback;import net.spy.memcached.ops.OperationState;import net.spy.memcached.ops.OperationStatus;import net.spy.memcached.ops.VersionOperation;/** * Operation to request the version of a memcached server. */final class VersionOperationImpl extends OperationImpl	implements VersionOperation, NoopOperation {	private static final byte[] REQUEST="version\r\n".getBytes();	public VersionOperationImpl(OperationCallback c) {		super(c);	}	@Override	public void handleLine(String line) {		assert line.startsWith("VERSION ");		getCallback().receivedStatus(				new OperationStatus(true, line.substring("VERSION ".length())));		transitionState(OperationState.COMPLETE);	}	@Override	public void initialize() {		setBuffer(ByteBuffer.wrap(REQUEST));	}}