C++ (Cpp) MemoryObjectStore::setKeyGeneratorValue 예제들

예제 #1

파일: MemoryIDBBackingStore.cpp 프로젝트: eocanha/webkit

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 { };
}

예제 #2

파일: MemoryIDBBackingStore.cpp 프로젝트: eocanha/webkit

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 { };
}

예제 #3

파일: MemoryIDBBackingStore.cpp 프로젝트: eocanha/webkit

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 { };
}