/**
* Copyright (C) 2013 kangliqiang ,kangliq@163.com
*
* 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.
*/

#include "PullSysFlag.h"

namespace rmq
{

int PullSysFlag::FLAG_COMMIT_OFFSET = 0x1 << 0;
int PullSysFlag::FLAG_SUSPEND = 0x1 << 1;
int PullSysFlag::FLAG_SUBSCRIPTION = 0x1 << 2;

int PullSysFlag::buildSysFlag(bool commitOffset, bool suspend, bool subscription)
{
    int flag = 0;

    if (commitOffset)
    {
        flag |= FLAG_COMMIT_OFFSET;
    }

    if (suspend)
    {
        flag |= FLAG_SUSPEND;
    }

    if (subscription)
    {
        flag |= FLAG_SUBSCRIPTION;
    }

    return flag;
}

int PullSysFlag::clearCommitOffsetFlag(int sysFlag)
{
    return sysFlag & (~FLAG_COMMIT_OFFSET);
}

bool PullSysFlag::hasCommitOffsetFlag(int sysFlag)
{
    return (sysFlag & FLAG_COMMIT_OFFSET) == FLAG_COMMIT_OFFSET;
}

bool PullSysFlag::hasSuspendFlag(int sysFlag)
{
    return (sysFlag & FLAG_SUSPEND) == FLAG_SUSPEND;
}

bool PullSysFlag::hasSubscriptionFlag(int sysFlag)
{
    return (sysFlag & FLAG_SUBSCRIPTION) == FLAG_SUBSCRIPTION;
}

}