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C++ MemoryObjectStore::setKeyGeneratorValue方法代码示例

本文整理汇总了C++中MemoryObjectStore::setKeyGeneratorValue方法的典型用法代码示例。如果您正苦于以下问题:C++ MemoryObjectStore::setKeyGeneratorValue方法的具体用法?C++ MemoryObjectStore::setKeyGeneratorValue怎么用?C++ MemoryObjectStore::setKeyGeneratorValue使用的例子?那么, 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MemoryObjectStore的用法示例。


在下文中一共展示了MemoryObjectStore::setKeyGeneratorValue方法的3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: revertGeneratedKeyNumber

IDBError MemoryIDBBackingStore::revertGeneratedKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t keyNumber)
{
    LOG(IndexedDB, "MemoryIDBBackingStore::revertGeneratedKeyNumber");
    ASSERT(objectStoreIdentifier);
    ASSERT_UNUSED(transactionIdentifier, m_transactions.contains(transactionIdentifier));
    ASSERT_UNUSED(transactionIdentifier, m_transactions.get(transactionIdentifier)->isWriting());

    MemoryObjectStore* objectStore = m_objectStoresByIdentifier.get(objectStoreIdentifier);
    RELEASE_ASSERT(objectStore);

    objectStore->setKeyGeneratorValue(keyNumber);

    return { };
}
开发者ID:eocanha,项目名称:webkit,代码行数:14,代码来源:MemoryIDBBackingStore.cpp

示例2: generateKeyNumber

IDBError MemoryIDBBackingStore::generateKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t& keyNumber)
{
    LOG(IndexedDB, "MemoryIDBBackingStore::generateKeyNumber");
    ASSERT(objectStoreIdentifier);
    ASSERT_UNUSED(transactionIdentifier, m_transactions.contains(transactionIdentifier));
    ASSERT_UNUSED(transactionIdentifier, m_transactions.get(transactionIdentifier)->isWriting());

    MemoryObjectStore* objectStore = m_objectStoresByIdentifier.get(objectStoreIdentifier);
    RELEASE_ASSERT(objectStore);

    keyNumber = objectStore->currentKeyGeneratorValue();
    if (keyNumber > maxGeneratedKeyValue)
        return { IDBDatabaseException::ConstraintError, "Cannot generate new key value over 2^53 for object store operation" };

    objectStore->setKeyGeneratorValue(keyNumber + 1);

    return { };
}
开发者ID:eocanha,项目名称:webkit,代码行数:18,代码来源:MemoryIDBBackingStore.cpp

示例3: maybeUpdateKeyGeneratorNumber

IDBError MemoryIDBBackingStore::maybeUpdateKeyGeneratorNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, double newKeyNumber)
{
    LOG(IndexedDB, "MemoryIDBBackingStore::maybeUpdateKeyGeneratorNumber");
    ASSERT(objectStoreIdentifier);
    ASSERT_UNUSED(transactionIdentifier, m_transactions.contains(transactionIdentifier));
    ASSERT_UNUSED(transactionIdentifier, m_transactions.get(transactionIdentifier)->isWriting());

    MemoryObjectStore* objectStore = m_objectStoresByIdentifier.get(objectStoreIdentifier);
    RELEASE_ASSERT(objectStore);

    if (newKeyNumber < objectStore->currentKeyGeneratorValue())
        return { };

    uint64_t newKeyInteger(newKeyNumber);
    if (newKeyInteger <= uint64_t(newKeyNumber))
        ++newKeyInteger;

    ASSERT(newKeyInteger > uint64_t(newKeyNumber));

    objectStore->setKeyGeneratorValue(newKeyInteger);

    return { };
}
开发者ID:eocanha,项目名称:webkit,代码行数:23,代码来源:MemoryIDBBackingStore.cpp


注:本文中的MemoryObjectStore::setKeyGeneratorValue方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。