/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.network;
import org.apache.commons.lang.StringUtils;
import com.taobao.gecko.core.buffer.IoBuffer;
/**
* ͳ����Ϣ��ѯ ��ʽ��</br> stats item opaque\r\n
*
* @author boyan
* @Date 2011-4-21
*
*/
public class StatsCommand extends AbstractRequestCommand {
static final long serialVersionUID = -1L;
// ͳ����Ŀ���ƣ�����Ϊ��
private final String item;
public StatsCommand(final Integer opaque, final String item) {
super(null, opaque);
this.item = item;
}
public String getItem() {
return this.item;
}
@Override
public IoBuffer encode() {
if (StringUtils.isBlank(this.item)) {
return IoBuffer.wrap((MetaEncodeCommand.STATS_CMD + " " + " " + this.getOpaque() + "\r\n").getBytes());
}
else {
final IoBuffer buf = IoBuffer.allocate(9 + this.item.length() + ByteUtils.stringSize(this.getOpaque()));
ByteUtils.setArguments(buf, MetaEncodeCommand.STATS_CMD, this.item, this.getOpaque());
buf.flip();
return buf;
}
}
}