| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "IDBObjectStore.h" |
| |
| #if ENABLE(INDEXED_DATABASE) |
| |
| #include "DOMStringList.h" |
| #include "IDBAny.h" |
| #include "IDBBindingUtilities.h" |
| #include "IDBCursorBackendInterface.h" |
| #include "IDBCursorWithValue.h" |
| #include "IDBDatabase.h" |
| #include "IDBDatabaseException.h" |
| #include "IDBIndex.h" |
| #include "IDBKey.h" |
| #include "IDBKeyPath.h" |
| #include "IDBKeyRange.h" |
| #include "IDBTracing.h" |
| #include "IDBTransaction.h" |
| #include "ScriptExecutionContext.h" |
| #include "SerializedScriptValue.h" |
| #include <wtf/UnusedParam.h> |
| |
| namespace WebCore { |
| |
| static const unsigned short defaultDirection = IDBCursor::NEXT; |
| |
| IDBObjectStore::IDBObjectStore(const IDBObjectStoreMetadata& metadata, PassRefPtr<IDBObjectStoreBackendInterface> idbObjectStore, IDBTransaction* transaction) |
| : m_metadata(metadata) |
| , m_backend(idbObjectStore) |
| , m_transaction(transaction) |
| , m_deleted(false) |
| { |
| ASSERT(m_backend); |
| ASSERT(m_transaction); |
| // We pass a reference to this object before it can be adopted. |
| relaxAdoptionRequirement(); |
| } |
| |
| PassRefPtr<DOMStringList> IDBObjectStore::indexNames() const |
| { |
| IDB_TRACE("IDBObjectStore::indexNames"); |
| RefPtr<DOMStringList> indexNames = DOMStringList::create(); |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) |
| indexNames->append(it->value.name); |
| indexNames->sort(); |
| return indexNames.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::get(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::get"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!keyRange) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| m_backend->get(keyRange, request, m_transaction->backend(), ec); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::get(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::get"); |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(key, ec); |
| if (ec) |
| return 0; |
| return get(context, keyRange.release(), ec); |
| } |
| |
| static void generateIndexKeysForValue(const IDBIndexMetadata& indexMetadata, |
| const ScriptValue& objectValue, |
| IDBObjectStore::IndexKeys* indexKeys) |
| { |
| ASSERT(indexKeys); |
| RefPtr<IDBKey> indexKey = createIDBKeyFromScriptValueAndKeyPath(objectValue, indexMetadata.keyPath); |
| |
| if (!indexKey) |
| return; |
| |
| if (!indexMetadata.multiEntry || indexKey->type() != IDBKey::ArrayType) { |
| if (!indexKey->isValid()) |
| return; |
| |
| indexKeys->append(indexKey); |
| } else { |
| ASSERT(indexMetadata.multiEntry); |
| ASSERT(indexKey->type() == IDBKey::ArrayType); |
| indexKey = IDBKey::createMultiEntryArray(indexKey->array()); |
| |
| for (size_t i = 0; i < indexKey->array().size(); ++i) |
| indexKeys->append(indexKey->array()[i]); |
| } |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::add(ScriptExecutionContext* context, ScriptValue& value, PassRefPtr<IDBKey> key, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::add"); |
| return put(IDBObjectStoreBackendInterface::AddOnly, IDBAny::create(this), context, value, key, ec); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::put(ScriptExecutionContext* context, ScriptValue& value, PassRefPtr<IDBKey> key, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::put"); |
| return put(IDBObjectStoreBackendInterface::AddOrUpdate, IDBAny::create(this), context, value, key, ec); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::put(IDBObjectStoreBackendInterface::PutMode putMode, PassRefPtr<IDBAny> source, ScriptExecutionContext* context, ScriptValue& value, PassRefPtr<IDBKey> prpKey, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::put"); |
| RefPtr<IDBKey> key = prpKey; |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| ec = IDBDatabaseException::READ_ONLY_ERR; |
| return 0; |
| } |
| |
| ScriptState* state = ScriptState::current(); |
| RefPtr<SerializedScriptValue> serializedValue = value.serialize(state); |
| if (state->hadException()) { |
| ec = IDBDatabaseException::IDB_DATA_CLONE_ERR; |
| return 0; |
| } |
| |
| if (serializedValue->blobURLs().size() > 0) { |
| // FIXME: Add Blob/File/FileList support |
| ec = IDBDatabaseException::IDB_DATA_CLONE_ERR; |
| return 0; |
| } |
| |
| const IDBKeyPath& keyPath = m_metadata.keyPath; |
| const bool usesInLineKeys = !keyPath.isNull(); |
| const bool hasKeyGenerator = autoIncrement(); |
| |
| if (putMode != IDBObjectStoreBackendInterface::CursorUpdate && usesInLineKeys && key) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| if (!usesInLineKeys && !hasKeyGenerator && !key) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| if (usesInLineKeys) { |
| RefPtr<IDBKey> keyPathKey = createIDBKeyFromScriptValueAndKeyPath(value, keyPath); |
| if (keyPathKey && !keyPathKey->isValid()) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| if (!hasKeyGenerator && !keyPathKey) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| if (hasKeyGenerator && !keyPathKey) { |
| if (!canInjectIDBKeyIntoScriptValue(value, keyPath)) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| } |
| if (keyPathKey) |
| key = keyPathKey; |
| } |
| if (key && !key->isValid()) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| |
| Vector<int64_t> indexIds; |
| Vector<IndexKeys> indexKeys; |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| IndexKeys keys; |
| generateIndexKeysForValue(it->value, value, &keys); |
| indexIds.append(it->key); |
| indexKeys.append(keys); |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, source, m_transaction.get()); |
| m_backend->put(serializedValue.release(), key.release(), putMode, request, m_transaction->backend(), indexIds, indexKeys); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::deleteFunction(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::delete"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| ec = IDBDatabaseException::READ_ONLY_ERR; |
| return 0; |
| } |
| if (!keyRange) { |
| ec = IDBDatabaseException::DATA_ERR; |
| return 0; |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| m_backend->deleteFunction(keyRange, request, m_transaction->backend(), ec); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::deleteFunction(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::delete"); |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(key, ec); |
| if (ec) |
| return 0; |
| return deleteFunction(context, keyRange.release(), ec); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::clear(ScriptExecutionContext* context, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::clear"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| if (m_transaction->isReadOnly()) { |
| ec = IDBDatabaseException::READ_ONLY_ERR; |
| return 0; |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| m_backend->clear(request, m_transaction->backend(), ec); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| namespace { |
| // This class creates the index keys for a given index by extracting |
| // them from the SerializedScriptValue, for all the existing values in |
| // the objectStore. It only needs to be kept alive by virtue of being |
| // a listener on an IDBRequest object, in the same way that JavaScript |
| // cursor success handlers are kept alive. |
| class IndexPopulator : public EventListener { |
| public: |
| static PassRefPtr<IndexPopulator> create(PassRefPtr<IDBObjectStoreBackendInterface> backend, PassRefPtr<IDBTransactionBackendInterface> transaction, PassRefPtr<IDBRequest> request, const IDBIndexMetadata& indexMetadata) |
| { |
| return adoptRef(new IndexPopulator(backend, transaction, indexMetadata)); |
| } |
| |
| virtual bool operator==(const EventListener& other) |
| { |
| return this == &other; |
| } |
| |
| private: |
| IndexPopulator(PassRefPtr<IDBObjectStoreBackendInterface> backend, |
| PassRefPtr<IDBTransactionBackendInterface> transaction, |
| const IDBIndexMetadata& indexMetadata) |
| : EventListener(CPPEventListenerType) |
| , m_objectStoreBackend(backend) |
| , m_transaction(transaction) |
| , m_indexMetadata(indexMetadata) |
| { |
| } |
| |
| virtual void handleEvent(ScriptExecutionContext* context, Event* event) |
| { |
| ASSERT(event->type() == eventNames().successEvent); |
| EventTarget* target = event->target(); |
| IDBRequest* request = static_cast<IDBRequest*>(target); |
| |
| ExceptionCode ec = 0; |
| RefPtr<IDBAny> cursorAny = request->result(ec); |
| ASSERT(!ec); |
| RefPtr<IDBCursorWithValue> cursor; |
| if (cursorAny->type() == IDBAny::IDBCursorWithValueType) |
| cursor = cursorAny->idbCursorWithValue(); |
| |
| Vector<int64_t, 1> indexIds; |
| indexIds.append(m_indexMetadata.id); |
| if (cursor) { |
| cursor->continueFunction(ec); |
| ASSERT(!ec); |
| |
| RefPtr<IDBKey> primaryKey = cursor->idbPrimaryKey(); |
| ScriptValue value = cursor->value(); |
| |
| IDBObjectStore::IndexKeys indexKeys; |
| generateIndexKeysForValue(m_indexMetadata, value, &indexKeys); |
| |
| Vector<IDBObjectStore::IndexKeys, 1> indexKeysList; |
| indexKeysList.append(indexKeys); |
| |
| m_objectStoreBackend->setIndexKeys(primaryKey, indexIds, indexKeysList, m_transaction.get()); |
| |
| } else { |
| // Now that we are done indexing, tell the backend to go |
| // back to processing tasks of type NormalTask. |
| m_objectStoreBackend->setIndexesReady(indexIds, m_transaction.get()); |
| m_objectStoreBackend.clear(); |
| m_transaction.clear(); |
| } |
| |
| } |
| |
| RefPtr<IDBObjectStoreBackendInterface> m_objectStoreBackend; |
| RefPtr<IDBTransactionBackendInterface> m_transaction; |
| IDBIndexMetadata m_indexMetadata; |
| }; |
| } |
| |
| PassRefPtr<IDBIndex> IDBObjectStore::createIndex(ScriptExecutionContext* context, const String& name, const String& keyPath, const Dictionary& options, ExceptionCode& ec) |
| { |
| return createIndex(context, name, IDBKeyPath(keyPath), options, ec); |
| } |
| |
| PassRefPtr<IDBIndex> IDBObjectStore::createIndex(ScriptExecutionContext* context, const String& name, PassRefPtr<DOMStringList> keyPath, const Dictionary& options, ExceptionCode& ec) |
| { |
| return createIndex(context, name, IDBKeyPath(*keyPath), options, ec); |
| } |
| |
| |
| PassRefPtr<IDBIndex> IDBObjectStore::createIndex(ScriptExecutionContext* context, const String& name, const IDBKeyPath& keyPath, const Dictionary& options, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::createIndex"); |
| if (!m_transaction->isVersionChange() || m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| if (!keyPath.isValid()) { |
| ec = IDBDatabaseException::IDB_SYNTAX_ERR; |
| return 0; |
| } |
| if (name.isNull()) { |
| ec = NATIVE_TYPE_ERR; |
| return 0; |
| } |
| if (containsIndex(name)) { |
| ec = IDBDatabaseException::CONSTRAINT_ERR; |
| return 0; |
| } |
| |
| bool unique = false; |
| options.get("unique", unique); |
| |
| bool multiEntry = false; |
| options.get("multiEntry", multiEntry); |
| |
| if (keyPath.type() == IDBKeyPath::ArrayType && multiEntry) { |
| ec = IDBDatabaseException::IDB_INVALID_ACCESS_ERR; |
| return 0; |
| } |
| |
| int64_t indexId = m_metadata.maxIndexId + 1; |
| RefPtr<IDBIndexBackendInterface> indexBackend = m_backend->createIndex(indexId, name, keyPath, unique, multiEntry, m_transaction->backend(), ec); |
| ASSERT(!indexBackend != !ec); // If we didn't get an index, we should have gotten an exception code. And vice versa. |
| if (ec) |
| return 0; |
| |
| ++m_metadata.maxIndexId; |
| |
| IDBIndexMetadata metadata(name, indexId, keyPath, unique, multiEntry); |
| RefPtr<IDBIndex> index = IDBIndex::create(metadata, indexBackend.release(), this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| m_metadata.indexes.set(indexId, metadata); |
| |
| ASSERT(!ec); |
| if (ec) |
| return 0; |
| |
| RefPtr<IDBRequest> indexRequest = openCursor(context, static_cast<IDBKeyRange*>(0), IDBCursor::directionNext(), IDBTransactionBackendInterface::PreemptiveTask, ec); |
| ASSERT(!ec); |
| if (ec) |
| return 0; |
| indexRequest->preventPropagation(); |
| |
| // This is kept alive by being the success handler of the request, which is in turn kept alive by the owning transaction. |
| RefPtr<IndexPopulator> indexPopulator = IndexPopulator::create(m_backend, m_transaction->backend(), indexRequest, metadata); |
| indexRequest->setOnsuccess(indexPopulator); |
| |
| return index.release(); |
| } |
| |
| PassRefPtr<IDBIndex> IDBObjectStore::index(const String& name, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::index"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (m_transaction->isFinished()) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) |
| return it->value; |
| |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| ec = IDBDatabaseException::IDB_NOT_FOUND_ERR; |
| return 0; |
| } |
| |
| RefPtr<IDBIndexBackendInterface> indexBackend = m_backend->index(indexId); |
| ASSERT(!ec && indexBackend); |
| |
| const IDBIndexMetadata* indexMetadata(0); |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| if (it->value.name == name) { |
| indexMetadata = &it->value; |
| break; |
| } |
| } |
| ASSERT(indexMetadata); |
| |
| RefPtr<IDBIndex> index = IDBIndex::create(*indexMetadata, indexBackend.release(), this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| return index.release(); |
| } |
| |
| void IDBObjectStore::deleteIndex(const String& name, ExceptionCode& ec) |
| { |
| if (!m_transaction->isVersionChange() || m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return; |
| } |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| ec = IDBDatabaseException::IDB_NOT_FOUND_ERR; |
| return; |
| } |
| |
| m_backend->deleteIndex(indexId, m_transaction->backend(), ec); |
| if (!ec) { |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) { |
| m_metadata.indexes.remove(it->value->id()); |
| it->value->markDeleted(); |
| m_indexMap.remove(name); |
| } |
| } |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> range, const String& directionString, IDBTransactionBackendInterface::TaskType taskType, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::openCursor"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| IDBCursor::Direction direction = IDBCursor::stringToDirection(directionString, context, ec); |
| if (ec) |
| return 0; |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| request->setCursorDetails(IDBCursorBackendInterface::ObjectStoreCursor, direction); |
| m_backend->openCursor(range, direction, request, taskType, m_transaction->backend(), ec); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, const String& direction, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::openCursor"); |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(key, ec); |
| if (ec) |
| return 0; |
| return openCursor(context, keyRange.release(), direction, ec); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::count(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> range, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::count"); |
| if (m_deleted) { |
| ec = IDBDatabaseException::IDB_INVALID_STATE_ERR; |
| return 0; |
| } |
| if (!m_transaction->isActive()) { |
| ec = IDBDatabaseException::TRANSACTION_INACTIVE_ERR; |
| return 0; |
| } |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get()); |
| m_backend->count(range, request, m_transaction->backend(), ec); |
| ASSERT(!ec); |
| return request.release(); |
| } |
| |
| PassRefPtr<IDBRequest> IDBObjectStore::count(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec) |
| { |
| IDB_TRACE("IDBObjectStore::count"); |
| RefPtr<IDBKeyRange> keyRange = IDBKeyRange::only(key, ec); |
| if (ec) |
| return 0; |
| return count(context, keyRange.release(), ec); |
| } |
| |
| void IDBObjectStore::transactionFinished() |
| { |
| ASSERT(m_transaction->isFinished()); |
| |
| // Break reference cycles. |
| m_indexMap.clear(); |
| } |
| |
| int64_t IDBObjectStore::findIndexId(const String& name) const |
| { |
| for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it) { |
| if (it->value.name == name) { |
| ASSERT(it->key != IDBIndexMetadata::InvalidId); |
| return it->key; |
| } |
| } |
| return IDBIndexMetadata::InvalidId; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(INDEXED_DATABASE) |
