com.alibaba.rocketmq.common.sysflag.MessageSysFlag Maven / Gradle / Ivy

Go to download
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package com.alibaba.rocketmq.common.sysflag;

/**
 * @author shijia.wxr
 */
public class MessageSysFlag {
    public final static int CompressedFlag = (0x1 << 0);
    public final static int MultiTagsFlag = (0x1 << 1);
    public final static int TransactionNotType = (0x0 << 2);
    public final static int TransactionPreparedType = (0x1 << 2);
    public final static int TransactionCommitType = (0x2 << 2);
    public final static int TransactionRollbackType = (0x3 << 2);


    public static int getTransactionValue(final int flag) {
        return flag & TransactionRollbackType;
    }


    public static int resetTransactionValue(final int flag, final int type) {
        return (flag & (~TransactionRollbackType)) | type;
    }


    public static int clearCompressedFlag(final int flag) {
        return flag & (~CompressedFlag);
    }
}