void MemoryBackingStoreTransaction::recordValueChanged(MemoryObjectStore& objectStore, const IDBKeyData& key, ThreadSafeDataBuffer* value)
{
ASSERT(m_objectStores.contains(&objectStore));
if (m_isAborting)
return;
// If this object store had been cleared during the transaction, no point in recording this
// individual key/value change as its entire key/value map will be restored upon abort.
if (m_clearedKeyValueMaps.contains(&objectStore))
return;
auto originalAddResult = m_originalValues.add(&objectStore, nullptr);
if (originalAddResult.isNewEntry)
originalAddResult.iterator->value = std::make_unique<KeyValueMap>();
auto* map = originalAddResult.iterator->value.get();
auto addResult = map->add(key, ThreadSafeDataBuffer());
if (!addResult.isNewEntry)
return;
if (value)
addResult.iterator->value = *value;
}
ThreadSafeDataBuffer MemoryObjectStore::valueForKeyRange(const IDBKeyRangeData& keyRangeData) const
{
LOG(IndexedDB, "MemoryObjectStore::valueForKey");
IDBKeyData key = lowestKeyWithRecordInRange(keyRangeData);
if (key.isNull())
return ThreadSafeDataBuffer();
ASSERT(m_keyValueStore);
return m_keyValueStore->get(key);
}
void MemoryBackingStoreTransaction::recordValueChanged(MemoryObjectStore& objectStore, const IDBKeyData& key)
{
ASSERT(m_objectStores.contains(&objectStore));
if (m_isAborting)
return;
auto originalAddResult = m_originalValues.add(&objectStore, nullptr);
if (originalAddResult.isNewEntry)
originalAddResult.iterator->value = std::make_unique<KeyValueMap>();
auto* map = originalAddResult.iterator->value.get();
auto addResult = map->add(key, ThreadSafeDataBuffer());
if (!addResult.isNewEntry)
return;
addResult.iterator->value = objectStore.valueForKey(key);
}
CrossThreadCopierBase<false, false, ThreadSafeDataBuffer>::Type CrossThreadCopierBase<false, false, ThreadSafeDataBuffer>::copy(const ThreadSafeDataBuffer& buffer)
{
return ThreadSafeDataBuffer(buffer);
}
