diff options
Diffstat (limited to 'content/browser/indexed_db/indexed_db_index_writer.cc')
| -rw-r--r-- | content/browser/indexed_db/indexed_db_index_writer.cc | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/content/browser/indexed_db/indexed_db_index_writer.cc b/content/browser/indexed_db/indexed_db_index_writer.cc deleted file mode 100644 index 6104111..0000000 --- a/content/browser/indexed_db/indexed_db_index_writer.cc +++ /dev/null @@ -1,169 +0,0 @@ -// Copyright (c) 2013 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "content/browser/indexed_db/indexed_db_index_writer.h" - -#include "base/logging.h" -#include "base/utf_string_conversions.h" -#include "content/browser/indexed_db/indexed_db_backing_store.h" -#include "content/browser/indexed_db/indexed_db_tracing.h" -#include "content/browser/indexed_db/indexed_db_transaction.h" -#include "content/common/indexed_db/indexed_db_key.h" -#include "content/common/indexed_db/indexed_db_key_path.h" -#include "content/common/indexed_db/indexed_db_key_range.h" - -namespace content { - -IndexedDBObjectStoreImpl::IndexWriter::IndexWriter( - const IndexedDBIndexMetadata& index_metadata) - : index_metadata_(index_metadata) {} - -IndexedDBObjectStoreImpl::IndexWriter::IndexWriter( - const IndexedDBIndexMetadata& index_metadata, - const IndexedDBDatabase::IndexKeys& index_keys) - : index_metadata_(index_metadata), index_keys_(index_keys) {} - -IndexedDBObjectStoreImpl::IndexWriter::~IndexWriter() {} - -bool IndexedDBObjectStoreImpl::IndexWriter::VerifyIndexKeys( - IndexedDBBackingStore* backing_store, - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - bool* can_add_keys, - const IndexedDBKey& primary_key, - string16* error_message) const { - *can_add_keys = false; - for (size_t i = 0; i < index_keys_.size(); ++i) { - bool ok = AddingKeyAllowed(backing_store, - transaction, - database_id, - object_store_id, - index_id, - (index_keys_)[i], - primary_key, - can_add_keys); - if (!ok) - return false; - if (!*can_add_keys) { - if (error_message) - *error_message = ASCIIToUTF16("Unable to add key to index '") + - index_metadata_.name + - ASCIIToUTF16("': at least one key does not satisfy " - "the uniqueness requirements."); - return true; - } - } - *can_add_keys = true; - return true; -} - -void IndexedDBObjectStoreImpl::IndexWriter::WriteIndexKeys( - const IndexedDBBackingStore::RecordIdentifier& record_identifier, - IndexedDBBackingStore* backing_store, - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id) const { - int64 index_id = index_metadata_.id; - for (size_t i = 0; i < index_keys_.size(); ++i) { - bool ok = backing_store->PutIndexDataForRecord(transaction, - database_id, - object_store_id, - index_id, - index_keys_[i], - record_identifier); - // This should have already been verified as a valid write during - // verify_index_keys. - DCHECK(ok); - } -} - -bool IndexedDBObjectStoreImpl::IndexWriter::AddingKeyAllowed( - IndexedDBBackingStore* backing_store, - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKey& index_key, - const IndexedDBKey& primary_key, - bool* allowed) const { - *allowed = false; - if (!index_metadata_.unique) { - *allowed = true; - return true; - } - - scoped_ptr<IndexedDBKey> found_primary_key; - bool found = false; - bool ok = backing_store->KeyExistsInIndex(transaction, - database_id, - object_store_id, - index_id, - index_key, - &found_primary_key, - found); - if (!ok) - return false; - if (!found || - (primary_key.IsValid() && found_primary_key->IsEqual(primary_key))) - *allowed = true; - return true; -} - -bool IndexedDBObjectStoreImpl::MakeIndexWriters( - scoped_refptr<IndexedDBTransaction> transaction, - IndexedDBBackingStore* backing_store, - int64 database_id, - const IndexedDBObjectStoreMetadata& object_store, - const IndexedDBKey& primary_key, // makes a copy - bool key_was_generated, - const std::vector<int64>& index_ids, - const std::vector<IndexedDBDatabase::IndexKeys>& index_keys, - ScopedVector<IndexWriter>* index_writers, - string16* error_message, - bool* completed) { - DCHECK_EQ(index_ids.size(), index_keys.size()); - *completed = false; - - std::map<int64, IndexedDBDatabase::IndexKeys> index_key_map; - for (size_t i = 0; i < index_ids.size(); ++i) - index_key_map[index_ids[i]] = index_keys[i]; - - for (IndexedDBObjectStoreMetadata::IndexMap::const_iterator it = - object_store.indexes.begin(); - it != object_store.indexes.end(); - ++it) { - const IndexedDBIndexMetadata& index = it->second; - - IndexedDBDatabase::IndexKeys keys = index_key_map[it->first]; - // If the object_store is using auto_increment, then any indexes with an - // identical key_path need to also use the primary (generated) key as a key. - if (key_was_generated && (index.key_path == object_store.key_path)) - keys.push_back(primary_key); - - scoped_ptr<IndexWriter> index_writer(new IndexWriter(index, keys)); - bool can_add_keys = false; - bool backing_store_success = - index_writer->VerifyIndexKeys(backing_store, - transaction->BackingStoreTransaction(), - database_id, - object_store.id, - index.id, - &can_add_keys, - primary_key, - error_message); - if (!backing_store_success) - return false; - if (!can_add_keys) - return true; - - index_writers->push_back(index_writer.release()); - } - - *completed = true; - return true; -} - -} // namespace content |