C++ bsoncollectioncatalogentry::MetaData类代码示例

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本文整理汇总了C++中bsoncollectioncatalogentry::MetaData类的典型用法代码示例。如果您正苦于以下问题：C++ MetaData类的具体用法？C++ MetaData怎么用？C++ MetaData使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了MetaData类的13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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: newCollection

    Status KVCatalog::newCollection( OperationContext* opCtx,
                                     const StringData& ns,
                                     const CollectionOptions& options ) {
        std::stringstream ss;
        ss << ns << "-" << _rand << "-" << _next.fetchAndAdd( 1 );
        string ident = ss.str();

        boost::mutex::scoped_lock lk( _identsLock );
        Entry& old = _idents[ns.toString()];
        if ( !old.ident.empty() ) {
            return Status( ErrorCodes::NamespaceExists, "collection already exists" );
        }

        BSONObj obj;
        {
            BSONObjBuilder b;
            b.append( "ns", ns );
            b.append( "ident", ident );
            BSONCollectionCatalogEntry::MetaData md;
            md.ns = ns.toString();
            md.options = options;
            b.append( "md", md.toBSON() );
            obj = b.obj();
        }
        StatusWith<DiskLoc> res = _rs->insertRecord( opCtx, obj.objdata(), obj.objsize(), false );
        if ( !res.isOK() )
            return res.getStatus();

        old = Entry( ident, res.getValue() );
        LOG(1) << "stored meta data for " << ns << " @ " << res.getValue();
        return Status::OK();
    }

开发者ID:ANTco，项目名称:mongo，代码行数:32，代码来源:kv_catalog.cpp

示例2: LOG

 const BSONCollectionCatalogEntry::MetaData KVCatalog::getMetaData( OperationContext* opCtx,
                                                                    const StringData& ns ) {
     DiskLoc loc;
     BSONObj obj = _findEntry( opCtx, ns, &loc );
     LOG(1) << " got: " << obj;
     BSONCollectionCatalogEntry::MetaData md;
     if ( obj["md"].isABSONObj() )
         md.parse( obj["md"].Obj() );
     return md;
 }

开发者ID:ANTco，项目名称:mongo，代码行数:10，代码来源:kv_catalog.cpp

示例3: getMetaData

BSONCollectionCatalogEntry::MetaData KVCatalog::getMetaData(OperationContext* opCtx,
                                                            StringData ns) const {
    BSONObj obj = _findEntry(opCtx, ns);
    LOG(3) << " fetched CCE metadata: " << obj;
    BSONCollectionCatalogEntry::MetaData md;
    const BSONElement mdElement = obj["md"];
    if (mdElement.isABSONObj()) {
        LOG(3) << "returning metadata: " << mdElement;
        md.parse(mdElement.Obj());
    }
    return md;
}

开发者ID:zhihuiFan，项目名称:mongo，代码行数:12，代码来源:kv_catalog.cpp

示例4: renameCollection

Status KVCatalog::renameCollection(OperationContext* opCtx,
                                   StringData fromNS,
                                   StringData toNS,
                                   bool stayTemp) {
    std::unique_ptr<Lock::ResourceLock> rLk;
    if (!_isRsThreadSafe && opCtx->lockState()) {
        rLk.reset(new Lock::ResourceLock(opCtx->lockState(), resourceIdCatalogMetadata, MODE_X));
    }

    RecordId loc;
    BSONObj old = _findEntry(opCtx, fromNS, &loc).getOwned();
    {
        BSONObjBuilder b;

        b.append("ns", toNS);

        BSONCollectionCatalogEntry::MetaData md;
        md.parse(old["md"].Obj());
        md.rename(toNS);
        if (!stayTemp)
            md.options.temp = false;
        b.append("md", md.toBSON());

        b.appendElementsUnique(old);

        BSONObj obj = b.obj();
        StatusWith<RecordId> status =
            _rs->updateRecord(opCtx, loc, obj.objdata(), obj.objsize(), false, NULL);
        fassert(28522, status.getStatus());
        invariant(status.getValue() == loc);
    }

    stdx::lock_guard<stdx::mutex> lk(_identsLock);
    const NSToIdentMap::iterator fromIt = _idents.find(fromNS.toString());
    invariant(fromIt != _idents.end());

    opCtx->recoveryUnit()->registerChange(new RemoveIdentChange(this, fromNS, fromIt->second));
    opCtx->recoveryUnit()->registerChange(new AddIdentChange(this, toNS));

    _idents.erase(fromIt);
    _idents[toNS.toString()] = Entry(old["ident"].String(), loc);

    return Status::OK();
}

开发者ID:Andiry，项目名称:mongo，代码行数:44，代码来源:kv_catalog.cpp

示例5: newCollection

Status KVCatalog::newCollection(OperationContext* opCtx,
                                StringData ns,
                                const CollectionOptions& options) {
    invariant(opCtx->lockState() == NULL ||
              opCtx->lockState()->isDbLockedForMode(nsToDatabaseSubstring(ns), MODE_X));

    std::unique_ptr<Lock::ResourceLock> rLk;
    if (!_isRsThreadSafe && opCtx->lockState()) {
        rLk.reset(new Lock::ResourceLock(opCtx->lockState(), resourceIdCatalogMetadata, MODE_X));
    }

    const string ident = _newUniqueIdent(ns, "collection");

    stdx::lock_guard<stdx::mutex> lk(_identsLock);
    Entry& old = _idents[ns.toString()];
    if (!old.ident.empty()) {
        return Status(ErrorCodes::NamespaceExists, "collection already exists");
    }

    opCtx->recoveryUnit()->registerChange(new AddIdentChange(this, ns));

    BSONObj obj;
    {
        BSONObjBuilder b;
        b.append("ns", ns);
        b.append("ident", ident);
        BSONCollectionCatalogEntry::MetaData md;
        md.ns = ns.toString();
        md.options = options;
        b.append("md", md.toBSON());
        obj = b.obj();
    }

    StatusWith<RecordId> res = _rs->insertRecord(opCtx, obj.objdata(), obj.objsize(), false);
    if (!res.isOK())
        return res.getStatus();

    old = Entry(ident, res.getValue());
    LOG(1) << "stored meta data for " << ns << " @ " << res.getValue();
    return Status::OK();
}

开发者ID:Andiry，项目名称:mongo，代码行数:41，代码来源:kv_catalog.cpp

示例6: Status

StatusWith<std::string> KVCatalog::newOrphanedIdent(OperationContext* opCtx, std::string ident) {
    // The collection will be named local.orphan.xxxxx.
    std::string identNs = ident;
    std::replace(identNs.begin(), identNs.end(), '-', '_');
    std::string ns = NamespaceString(NamespaceString::kOrphanCollectionDb,
                                     NamespaceString::kOrphanCollectionPrefix + identNs)
                         .ns();

    stdx::lock_guard<stdx::mutex> lk(_identsLock);
    Entry& old = _idents[ns];
    if (!old.ident.empty()) {
        return Status(ErrorCodes::NamespaceExists,
                      str::stream() << ns << " already exists in the catalog");
    }
    opCtx->recoveryUnit()->registerChange(new AddIdentChange(this, ns));

    // Generate a new UUID for the orphaned collection.
    CollectionOptions optionsWithUUID;
    optionsWithUUID.uuid.emplace(CollectionUUID::gen());
    BSONObj obj;
    {
        BSONObjBuilder b;
        b.append("ns", ns);
        b.append("ident", ident);
        BSONCollectionCatalogEntry::MetaData md;
        md.ns = ns;
        // Default options with newly generated UUID.
        md.options = optionsWithUUID;
        // Not Prefixed.
        md.prefix = KVPrefix::kNotPrefixed;
        b.append("md", md.toBSON());
        obj = b.obj();
    }
    StatusWith<RecordId> res = _rs->insertRecord(opCtx, obj.objdata(), obj.objsize(), Timestamp());
    if (!res.isOK())
        return res.getStatus();

    old = Entry(ident, res.getValue());
    LOG(1) << "stored meta data for orphaned collection " << ns << " @ " << res.getValue();
    return StatusWith<std::string>(std::move(ns));
}

开发者ID:EvgeniyPatlan，项目名称:percona-server-mongodb，代码行数:41，代码来源:kv_catalog.cpp

示例7: newCollection

Status KVCatalog::newCollection(OperationContext* opCtx,
                                StringData ns,
                                const CollectionOptions& options,
                                KVPrefix prefix) {
    invariant(opCtx->lockState()->isDbLockedForMode(nsToDatabaseSubstring(ns), MODE_X));

    const string ident = _newUniqueIdent(ns, "collection");

    stdx::lock_guard<stdx::mutex> lk(_identsLock);
    Entry& old = _idents[ns.toString()];
    if (!old.ident.empty()) {
        return Status(ErrorCodes::NamespaceExists, "collection already exists");
    }

    opCtx->recoveryUnit()->registerChange(new AddIdentChange(this, ns));

    BSONObj obj;
    {
        BSONObjBuilder b;
        b.append("ns", ns);
        b.append("ident", ident);
        BSONCollectionCatalogEntry::MetaData md;
        md.ns = ns.toString();
        md.options = options;
        md.prefix = prefix;
        b.append("md", md.toBSON());
        obj = b.obj();
    }
    const bool enforceQuota = false;
    // TODO SERVER-30638: using timestamp 0 for these inserts.
    StatusWith<RecordId> res =
        _rs->insertRecord(opCtx, obj.objdata(), obj.objsize(), Timestamp(), enforceQuota);
    if (!res.isOK())
        return res.getStatus();

    old = Entry(ident, res.getValue());
    LOG(1) << "stored meta data for " << ns << " @ " << res.getValue();
    return Status::OK();
}

开发者ID:zhihuiFan，项目名称:mongo，代码行数:39，代码来源:kv_catalog.cpp

示例8: renameCollection

    Status KVCatalog::renameCollection( OperationContext* opCtx,
                                        const StringData& fromNS,
                                        const StringData& toNS,
                                        bool stayTemp ) {
        DiskLoc loc;
        BSONObj old = _findEntry( opCtx, fromNS, &loc ).getOwned();
        {
            BSONObjBuilder b;

            b.append( "ns", toNS );

            BSONCollectionCatalogEntry::MetaData md;
            md.parse( old["md"].Obj() );
            md.rename( toNS );
            if ( !stayTemp )
                md.options.temp = false;
            b.append( "md", md.toBSON() );

            b.appendElementsUnique( old );

            BSONObj obj = b.obj();
            StatusWith<DiskLoc> status = _rs->updateRecord( opCtx,
                                                            loc,
                                                            obj.objdata(),
                                                            obj.objsize(),
                                                            false,
                                                            NULL );
            fassert( 28522, status.getStatus() );
            invariant( status.getValue() == loc );
        }


        boost::mutex::scoped_lock lk( _identsLock );
        _idents.erase( fromNS.toString() );
        _idents[toNS.toString()] = Entry( old["ident"].String(), loc );

        return Status::OK();
    }

开发者ID:ANTco，项目名称:mongo，代码行数:38，代码来源:kv_catalog.cpp

示例9: renameCollection

Status KVCatalog::renameCollection(OperationContext* opCtx,
                                   StringData fromNS,
                                   StringData toNS,
                                   bool stayTemp) {
    RecordId loc;
    BSONObj old = _findEntry(opCtx, fromNS, &loc).getOwned();
    {
        BSONObjBuilder b;

        b.append("ns", toNS);

        BSONCollectionCatalogEntry::MetaData md;
        md.parse(old["md"].Obj());
        md.rename(toNS);
        if (!stayTemp)
            md.options.temp = false;
        b.append("md", md.toBSON());

        b.appendElementsUnique(old);

        BSONObj obj = b.obj();
        Status status = _rs->updateRecord(opCtx, loc, obj.objdata(), obj.objsize());
        fassert(28522, status.isOK());
    }

    stdx::lock_guard<stdx::mutex> lk(_identsLock);
    const NSToIdentMap::iterator fromIt = _idents.find(fromNS.toString());
    invariant(fromIt != _idents.end());

    opCtx->recoveryUnit()->registerChange(new RemoveIdentChange(this, fromNS, fromIt->second));
    opCtx->recoveryUnit()->registerChange(new AddIdentChange(this, toNS));

    _idents.erase(fromIt);
    _idents[toNS.toString()] = Entry(old["ident"].String(), loc);

    return Status::OK();
}

开发者ID:EvgeniyPatlan，项目名称:percona-server-mongodb，代码行数:37，代码来源:kv_catalog.cpp

示例10: putMetaData

    void KVCatalog::putMetaData( OperationContext* opCtx,
                                 const StringData& ns,
                                 BSONCollectionCatalogEntry::MetaData& md ) {
        DiskLoc loc;
        BSONObj obj = _findEntry( opCtx, ns, &loc );

        {
            // rebuilt doc
            BSONObjBuilder b;
            b.append( "md", md.toBSON() );

            BSONObjBuilder newIdentMap;
            BSONObj oldIdentMap;
            if ( obj["idxIdent"].isABSONObj() )
                oldIdentMap = obj["idxIdent"].Obj();

            // fix ident map
            for ( size_t i = 0; i < md.indexes.size(); i++ ) {
                string name = md.indexes[i].name();
                BSONElement e = oldIdentMap[name];
                if ( e.type() == String ) {
                    newIdentMap.append( e );
                    continue;
                }
                // missing, create new
                std::stringstream ss;
                ss << getCollectionIdent( ns ) << '$' << name
                   << '-' << _rand << '-' << _next.fetchAndAdd( 1 );
                newIdentMap.append( name, ss.str() );
            }
            b.append( "idxIdent", newIdentMap.obj() );

            // add whatever is left
            b.appendElementsUnique( obj );
            obj = b.obj();
        }

        StatusWith<DiskLoc> status = _rs->updateRecord( opCtx,
                                                        loc,
                                                        obj.objdata(),
                                                        obj.objsize(),
                                                        false,
                                                        NULL );
        fassert( 28521, status.getStatus() );
        invariant( status.getValue() == loc );
    }

开发者ID:ANTco，项目名称:mongo，代码行数:46，代码来源:kv_catalog.cpp

示例11: putMetaData

void KVCatalog::putMetaData(OperationContext* opCtx,
                            StringData ns,
                            BSONCollectionCatalogEntry::MetaData& md) {
    std::unique_ptr<Lock::ResourceLock> rLk;
    if (!_isRsThreadSafe && opCtx->lockState()) {
        rLk.reset(new Lock::ResourceLock(opCtx->lockState(), resourceIdCatalogMetadata, MODE_X));
    }

    RecordId loc;
    BSONObj obj = _findEntry(opCtx, ns, &loc);

    {
        // rebuilt doc
        BSONObjBuilder b;
        b.append("md", md.toBSON());

        BSONObjBuilder newIdentMap;
        BSONObj oldIdentMap;
        if (obj["idxIdent"].isABSONObj())
            oldIdentMap = obj["idxIdent"].Obj();

        // fix ident map
        for (size_t i = 0; i < md.indexes.size(); i++) {
            string name = md.indexes[i].name();
            BSONElement e = oldIdentMap[name];
            if (e.type() == String) {
                newIdentMap.append(e);
                continue;
            }
            // missing, create new
            newIdentMap.append(name, _newUniqueIdent(ns, "index"));
        }
        b.append("idxIdent", newIdentMap.obj());

        // add whatever is left
        b.appendElementsUnique(obj);
        obj = b.obj();
    }

    LOG(3) << "recording new metadata: " << obj;
    StatusWith<RecordId> status =
        _rs->updateRecord(opCtx, loc, obj.objdata(), obj.objsize(), false, NULL);
    fassert(28521, status.getStatus());
    invariant(status.getValue() == loc);
}

开发者ID:Andiry，项目名称:mongo，代码行数:45，代码来源:kv_catalog.cpp

示例12: putMetaData

void KVCatalog::putMetaData(OperationContext* opCtx,
                            StringData ns,
                            BSONCollectionCatalogEntry::MetaData& md) {
    RecordId loc;
    BSONObj obj = _findEntry(opCtx, ns, &loc);

    {
        // rebuilt doc
        BSONObjBuilder b;
        b.append("md", md.toBSON());

        BSONObjBuilder newIdentMap;
        BSONObj oldIdentMap;
        if (obj["idxIdent"].isABSONObj())
            oldIdentMap = obj["idxIdent"].Obj();

        // fix ident map
        for (size_t i = 0; i < md.indexes.size(); i++) {
            string name = md.indexes[i].name();
            BSONElement e = oldIdentMap[name];
            if (e.type() == String) {
                newIdentMap.append(e);
                continue;
            }
            // missing, create new
            newIdentMap.append(name, _newUniqueIdent(ns, "index"));
        }
        b.append("idxIdent", newIdentMap.obj());

        // add whatever is left
        b.appendElementsUnique(obj);
        obj = b.obj();
    }

    LOG(3) << "recording new metadata: " << obj;
    Status status = _rs->updateRecord(opCtx, loc, obj.objdata(), obj.objsize(), false, NULL);
    fassert(28521, status.isOK());
}

开发者ID:zhihuiFan，项目名称:mongo，代码行数:38，代码来源:kv_catalog.cpp

示例13: opCtx

TEST_F(KVCatalogTest, RestartForPrefixes) {
    storageGlobalParams.groupCollections = true;
    ON_BLOCK_EXIT([&] { storageGlobalParams.groupCollections = false; });

    KVPrefix abCollPrefix = KVPrefix::getNextPrefix(NamespaceString("a.b"));
    KVPrefix fooIndexPrefix = KVPrefix::getNextPrefix(NamespaceString("a.b"));

    unique_ptr<KVHarnessHelper> helper(KVHarnessHelper::create());
    KVEngine* engine = helper->getEngine();
    {
        unique_ptr<RecordStore> rs;
        unique_ptr<KVCatalog> catalog;
        {
            MyOperationContext opCtx(engine);
            WriteUnitOfWork uow(&opCtx);
            ASSERT_OK(engine->createRecordStore(&opCtx, "catalog", "catalog", CollectionOptions()));
            rs = engine->getRecordStore(&opCtx, "catalog", "catalog", CollectionOptions());
            catalog.reset(new KVCatalog(rs.get(), false, false, nullptr));
            uow.commit();
        }

        {
            MyOperationContext opCtx(engine);
            WriteUnitOfWork uow(&opCtx);
            ASSERT_OK(newCollection(
                &opCtx, NamespaceString("a.b"), CollectionOptions(), abCollPrefix, catalog.get()));
            ASSERT_NOT_EQUALS("a.b", catalog->getCollectionIdent("a.b"));
            ASSERT_TRUE(catalog->isUserDataIdent(catalog->getCollectionIdent("a.b")));
            uow.commit();
        }

        {
            MyOperationContext opCtx(engine);
            WriteUnitOfWork uow(&opCtx);

            BSONCollectionCatalogEntry::MetaData md;
            md.ns = "a.b";

            BSONCollectionCatalogEntry::IndexMetaData imd;
            imd.spec = BSON("name"
                            << "foo");
            imd.ready = false;
            imd.head = RecordId();
            imd.multikey = false;
            imd.prefix = fooIndexPrefix;
            imd.isBackgroundSecondaryBuild = false;
            md.indexes.push_back(imd);
            md.prefix = abCollPrefix;
            catalog->putMetaData(&opCtx, "a.b", md);
            uow.commit();
        }
    }

    engine = helper->restartEngine();
    {
        MyOperationContext opCtx(engine);
        WriteUnitOfWork uow(&opCtx);
        unique_ptr<RecordStore> rs =
            engine->getRecordStore(&opCtx, "catalog", "catalog", CollectionOptions());
        unique_ptr<KVCatalog> catalog =
            stdx::make_unique<KVCatalog>(rs.get(), false, false, nullptr);
        catalog->init(&opCtx);

        const BSONCollectionCatalogEntry::MetaData md = catalog->getMetaData(&opCtx, "a.b");
        ASSERT_EQ("a.b", md.ns);
        ASSERT_EQ(abCollPrefix, md.prefix);
        ASSERT_EQ(fooIndexPrefix, md.indexes[md.findIndexOffset("foo")].prefix);
    }
}

开发者ID:acmorrow，项目名称:mongo，代码行数:69，代码来源:kv_engine_test_harness.cpp

注：本文中的bsoncollectioncatalogentry::MetaData类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ bsoncollectioncatalogentry::MetaData类代码示例

示例1: newCollection

示例2: LOG

示例3: getMetaData

示例4: renameCollection

示例5: newCollection

示例6: Status

示例7: newCollection

示例8: renameCollection

示例9: renameCollection

示例10: putMetaData

示例11: putMetaData

示例12: putMetaData

示例13: opCtx

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