本文整理汇总了C++中VersionType::unsetUpgradeState方法的典型用法代码示例。如果您正苦于以下问题：C++ VersionType::unsetUpgradeState方法的具体用法？C++ VersionType::unsetUpgradeState怎么用？C++ VersionType::unsetUpgradeState使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VersionType的用法示例。
在下文中一共展示了VersionType::unsetUpgradeState方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
//.........这里部分代码省略.........
catch (const DBException& e) {
// No cleanup message here since we're not sure if we wrote or not, and
// not dangerous either way except to prevent further updates (at which point
// the message is printed)
*errMsg = stream()
<< "could not update version info to enter critical update section"
<< causedBy(e);
return false;
}
// AT THIS POINT ANY FAILURE REQUIRES MANUAL INTERVENTION!
connPtr->done();
}
log() << "entered critical section for config upgrade" << endl;
Status overwriteStatus = overwriteCollection(configLoc,
CollectionType::ConfigNS + workingSuffix,
CollectionType::ConfigNS);
if (!overwriteStatus.isOK()) {
error() << cleanupMessage << endl;
*errMsg = stream() << "could not overwrite collection " << CollectionType::ConfigNS
<< " with working collection "
<< (CollectionType::ConfigNS + workingSuffix)
<< causedBy(overwriteStatus);
return false;
}
overwriteStatus = overwriteCollection(configLoc,
ChunkType::ConfigNS + workingSuffix,
ChunkType::ConfigNS);
if (!overwriteStatus.isOK()) {
error() << cleanupMessage << endl;
*errMsg = stream() << "could not overwrite collection " << ChunkType::ConfigNS
<< " with working collection "
<< (ChunkType::ConfigNS + workingSuffix)
<< causedBy(overwriteStatus);
return false;
}
//
// Finally update the version to latest and add clusterId to version
//
OID newClusterId = OID::gen();
// Note: hardcoded versions, since this is a very particular upgrade
// Note: DO NOT CLEAR the config version unless bumping the minCompatibleVersion,
// we want to save the excludes that were set.
newVersionInfo.setMinCompatibleVersion(UpgradeHistory_NoEpochVersion);
newVersionInfo.setCurrentVersion(UpgradeHistory_MandatoryEpochVersion);
newVersionInfo.setClusterId(newClusterId);
// Leave critical section
newVersionInfo.unsetUpgradeId();
newVersionInfo.unsetUpgradeState();
log() << "writing new version info and clusterId " << newClusterId << "..." << endl;
{
scoped_ptr<ScopedDbConnection> connPtr;
try {
connPtr.reset(ScopedDbConnection::getInternalScopedDbConnection(configLoc, 30));
ScopedDbConnection& conn = *connPtr;
verify(newVersionInfo.isValid(NULL));
conn->update(VersionType::ConfigNS,
BSON("_id" << 1 << VersionType::version_DEPRECATED(UpgradeHistory_NoEpochVersion)),
newVersionInfo.toBSON());
_checkGLE(conn);
}
catch (const DBException& e) {
error() << cleanupMessage << endl;
*errMsg = stream() << "could not write new version info "
<< "and exit critical upgrade section" << causedBy(e);
return false;
}
connPtr->done();
}
//
// END CRITICAL SECTION
//
return true;
}