/*
* (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.utils;
import com.taobao.metamorphosis.Message;
/**
* ��Ϣflag������ flag��32λ���������Ľṹ���£�</br></br>
* <ul>
* <li>��һλ��1��ʾ����Ϣ���ԣ�����û��</li>
* <li>������ʱ����</li>
* </ul>
*
* @author boyan
* @Date 2011-4-29
*
*/
public class MessageFlagUtils {
public static int getFlag(final Message message) {
int flag = 0;
if (message != null && message.getAttribute() != null) {
// ��һλ����Ϊ1
flag = flag & 0xFFFFFFFE | 1;
}
return flag;
}
public static boolean hasAttribute(final int flag) {
return (flag & 0x1) == 1;
}
}