IDBError MemoryObjectStore::updateIndexesForPutRecord(const IDBKeyData& key, const ThreadSafeDataBuffer& value)
{
    JSLockHolder locker(UniqueIDBDatabase::databaseThreadVM());

    auto jsValue = idbValueDataToJSValue(UniqueIDBDatabase::databaseThreadExecState(), value);
    if (jsValue.isUndefinedOrNull())
        return { };

    IDBError error;
    Vector<std::pair<MemoryIndex*, IndexKey>> changedIndexRecords;

    for (auto* index : m_indexesByName.values()) {
        IndexKey indexKey;
        generateIndexKeyForValue(UniqueIDBDatabase::databaseThreadExecState(), index->info(), jsValue, indexKey);

        if (indexKey.isNull())
            continue;

        error = index->putIndexKey(key, indexKey);
        if (!error.isNull())
            break;

        changedIndexRecords.append(std::make_pair(index, indexKey));
    }

    // If any of the index puts failed, revert all of the ones that went through.
    if (!error.isNull()) {
        for (auto& record : changedIndexRecords)
            record.first->removeRecord(key, record.second);
    }

    return error;
}
IDBError MemoryObjectStore::populateIndexWithExistingRecords(MemoryIndex& index)
{
    if (!m_keyValueStore)
        return { };

    JSLockHolder locker(UniqueIDBDatabase::databaseThreadVM());

    for (auto iterator : *m_keyValueStore) {
        auto jsValue = idbValueDataToJSValue(UniqueIDBDatabase::databaseThreadExecState(), iterator.value);
        if (jsValue.isUndefinedOrNull())
            return { };

        IndexKey indexKey;
        generateIndexKeyForValue(UniqueIDBDatabase::databaseThreadExecState(), index.info(), jsValue, indexKey);

        if (indexKey.isNull())
            continue;

        IDBError error = index.putIndexKey(iterator.key, indexKey);
        if (!error.isNull())
            return error;
    }

    return { };
}
Beispiel #3
0
void UniqueIDBDatabase::performPutOrAdd(uint64_t callbackIdentifier, const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyData& keyData, const ThreadSafeDataBuffer& valueData, IndexedDB::ObjectStoreOverwriteMode overwriteMode)
{
    ASSERT(!isMainThread());
    LOG(IndexedDB, "(db) UniqueIDBDatabase::performPutOrAdd");

    ASSERT(m_backingStore);
    ASSERT(objectStoreIdentifier);

    IDBKeyData usedKey;
    IDBError error;

    auto objectStoreInfo = m_databaseInfo->infoForExistingObjectStore(objectStoreIdentifier);
    if (!objectStoreInfo) {
        error = IDBError(IDBExceptionCode::InvalidStateError, ASCIILiteral("Object store cannot be found in the backing store"));
        m_server.postDatabaseTaskReply(createCrossThreadTask(*this, &UniqueIDBDatabase::didPerformPutOrAdd, callbackIdentifier, error, usedKey));
        return;
    }

    if (objectStoreInfo->autoIncrement() && !keyData.isValid()) {
        uint64_t keyNumber;
        error = m_backingStore->generateKeyNumber(transactionIdentifier, objectStoreIdentifier, keyNumber);
        if (!error.isNull()) {
            m_server.postDatabaseTaskReply(createCrossThreadTask(*this, &UniqueIDBDatabase::didPerformPutOrAdd, callbackIdentifier, error, usedKey));
            return;
        }
        
        usedKey.setNumberValue(keyNumber);
    } else
        usedKey = keyData;

    if (overwriteMode == IndexedDB::ObjectStoreOverwriteMode::NoOverwrite) {
        bool keyExists;
        error = m_backingStore->keyExistsInObjectStore(transactionIdentifier, objectStoreIdentifier, usedKey, keyExists);
        if (error.isNull() && keyExists)
            error = IDBError(IDBExceptionCode::ConstraintError, ASCIILiteral("Key already exists in the object store"));

        if (!error.isNull()) {
            m_server.postDatabaseTaskReply(createCrossThreadTask(*this, &UniqueIDBDatabase::didPerformPutOrAdd, callbackIdentifier, error, usedKey));
            return;
        }
    }

    // 3.4.1 Object Store Storage Operation
    // ...If a record already exists in store ...
    // then remove the record from store using the steps for deleting records from an object store...
    // This is important because formally deleting it from from the object store also removes it from the appropriate indexes.
    error = m_backingStore->deleteRange(transactionIdentifier, objectStoreIdentifier, usedKey);
    if (!error.isNull()) {
        m_server.postDatabaseTaskReply(createCrossThreadTask(*this, &UniqueIDBDatabase::didPerformPutOrAdd, callbackIdentifier, error, usedKey));
        return;
    }

    error = m_backingStore->addRecord(transactionIdentifier, objectStoreIdentifier, usedKey, valueData);

    m_server.postDatabaseTaskReply(createCrossThreadTask(*this, &UniqueIDBDatabase::didPerformPutOrAdd, callbackIdentifier, error, usedKey));
}
Beispiel #4
0
void UniqueIDBDatabase::didPerformDeleteObjectStore(uint64_t callbackIdentifier, const IDBError& error, const String& objectStoreName)
{
    ASSERT(isMainThread());
    LOG(IndexedDB, "(main) UniqueIDBDatabase::didPerformDeleteObjectStore");

    if (error.isNull())
        m_databaseInfo->deleteObjectStore(objectStoreName);

    performErrorCallback(callbackIdentifier, error);
}
Beispiel #5
0
void UniqueIDBDatabase::didPerformCreateObjectStore(uint64_t callbackIdentifier, const IDBError& error, const IDBObjectStoreInfo& info)
{
    ASSERT(isMainThread());
    LOG(IndexedDB, "(main) UniqueIDBDatabase::didPerformCreateObjectStore");

    if (error.isNull())
        m_databaseInfo->addExistingObjectStore(info);

    performErrorCallback(callbackIdentifier, error);
}
Beispiel #6
0
void UniqueIDBDatabase::didPerformCreateIndex(uint64_t callbackIdentifier, const IDBError& error, const IDBIndexInfo& info)
{
    ASSERT(isMainThread());
    LOG(IndexedDB, "(main) UniqueIDBDatabase::didPerformCreateIndex");

    if (error.isNull()) {
        ASSERT(m_databaseInfo);
        auto* objectStoreInfo = m_databaseInfo->infoForExistingObjectStore(info.objectStoreIdentifier());
        ASSERT(objectStoreInfo);
        objectStoreInfo->addExistingIndex(info);
    }

    performErrorCallback(callbackIdentifier, error);
}
void IDBTransaction::didCommit(const IDBError& error)
{
    LOG(IndexedDB, "IDBTransaction::didCommit");

    ASSERT(m_state == IndexedDB::TransactionState::Committing);

    if (error.isNull()) {
        m_database->didCommitTransaction(*this);
        fireOnComplete();
    } else {
        m_database->willAbortTransaction(*this);
        notifyDidAbort(error);
    }

    finishAbortOrCommit();
}
void IDBTransaction::didStart(const IDBError& error)
{
    LOG(IndexedDB, "IDBTransaction::didStart");

    m_database->didStartTransaction(*this);

    m_startedOnServer = true;

    // It's possible the transaction failed to start on the server.
    // That equates to an abort.
    if (!error.isNull()) {
        didAbort(error);
        return;
    }

    scheduleOperationTimer();
}
CrossThreadCopierBase<false, false, IDBError>::Type CrossThreadCopierBase<false, false, IDBError>::copy(const IDBError& error)
{
    return error.isolatedCopy();
}