diff options
Diffstat (limited to 'content/browser/indexed_db/indexed_db_backing_store.h')
| -rw-r--r-- | content/browser/indexed_db/indexed_db_backing_store.h | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/content/browser/indexed_db/indexed_db_backing_store.h b/content/browser/indexed_db/indexed_db_backing_store.h deleted file mode 100644 index 6862d91..0000000 --- a/content/browser/indexed_db/indexed_db_backing_store.h +++ /dev/null @@ -1,319 +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. - -#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_ -#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_ - -#include <vector> - -#include "base/basictypes.h" -#include "base/files/file_path.h" -#include "base/memory/ref_counted.h" -#include "base/memory/scoped_ptr.h" -#include "base/memory/weak_ptr.h" -#include "content/browser/indexed_db/indexed_db.h" -#include "content/browser/indexed_db/indexed_db_metadata.h" -#include "content/browser/indexed_db/leveldb/leveldb_iterator.h" -#include "content/browser/indexed_db/leveldb/leveldb_transaction.h" -#include "content/common/content_export.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 { - -class LevelDBComparator; -class LevelDBDatabase; - -class LevelDBFactory { - public: - virtual scoped_ptr<LevelDBDatabase> OpenLevelDB( - const base::FilePath& file_name, - const LevelDBComparator* comparator) = 0; - virtual bool DestroyLevelDB(const base::FilePath& file_name) = 0; -}; - -class CONTENT_EXPORT IndexedDBBackingStore - : public base::RefCounted<IndexedDBBackingStore> { - public: - class CONTENT_EXPORT Transaction; - - static scoped_refptr<IndexedDBBackingStore> Open( - const string16& database_identifier, - const string16& path_base, - const string16& file_identifier); - static scoped_refptr<IndexedDBBackingStore> Open( - const string16& database_identifier, - const string16& path_base, - const string16& file_identifier, - LevelDBFactory* factory); - static scoped_refptr<IndexedDBBackingStore> OpenInMemory( - const string16& identifier); - static scoped_refptr<IndexedDBBackingStore> OpenInMemory( - const string16& identifier, - LevelDBFactory* factory); - base::WeakPtr<IndexedDBBackingStore> GetWeakPtr() { - return weak_factory_.GetWeakPtr(); - } - - virtual std::vector<string16> GetDatabaseNames(); - virtual bool GetIDBDatabaseMetaData(const string16& name, - IndexedDBDatabaseMetadata* metadata, - bool& success) WARN_UNUSED_RESULT; - virtual bool CreateIDBDatabaseMetaData(const string16& name, - const string16& version, - int64 int_version, - int64& row_id); - virtual bool UpdateIDBDatabaseMetaData( - IndexedDBBackingStore::Transaction* transaction, - int64 row_id, - const string16& version); - virtual bool UpdateIDBDatabaseIntVersion( - IndexedDBBackingStore::Transaction* transaction, - int64 row_id, - int64 int_version); - virtual bool DeleteDatabase(const string16& name); - - bool GetObjectStores(int64 database_id, - IndexedDBDatabaseMetadata::ObjectStoreMap* map) - WARN_UNUSED_RESULT; - virtual bool CreateObjectStore( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const string16& name, - const IndexedDBKeyPath& key_path, - bool auto_increment); - virtual bool DeleteObjectStore( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id) WARN_UNUSED_RESULT; - - class CONTENT_EXPORT RecordIdentifier { - public: - RecordIdentifier(const std::vector<char>& primary_key, int64 version); - RecordIdentifier(); - ~RecordIdentifier(); - - const std::vector<char>& primary_key() const { return primary_key_; } - int64 version() const { return version_; } - void Reset(const std::vector<char>& primary_key, int64 version) { - primary_key_ = primary_key; - version_ = version; - } - - private: - std::vector<char> - primary_key_; // TODO(jsbell): Make it more clear that this is - // the *encoded* version of the key. - int64 version_; - DISALLOW_COPY_AND_ASSIGN(RecordIdentifier); - }; - - virtual bool GetRecord(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const IndexedDBKey& key, - std::vector<char>& record) WARN_UNUSED_RESULT; - virtual bool PutRecord(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const IndexedDBKey& key, - const std::vector<char>& value, - RecordIdentifier* record) WARN_UNUSED_RESULT; - virtual bool ClearObjectStore(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id) WARN_UNUSED_RESULT; - virtual bool DeleteRecord(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const RecordIdentifier& record) WARN_UNUSED_RESULT; - virtual bool GetKeyGeneratorCurrentNumber( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64& current_number) WARN_UNUSED_RESULT; - virtual bool MaybeUpdateKeyGeneratorCurrentNumber( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 new_state, - bool check_current) WARN_UNUSED_RESULT; - virtual bool KeyExistsInObjectStore( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const IndexedDBKey& key, - RecordIdentifier* found_record_identifier, - bool& found) WARN_UNUSED_RESULT; - - virtual bool CreateIndex(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const string16& name, - const IndexedDBKeyPath& key_path, - bool is_unique, - bool is_multi_entry) WARN_UNUSED_RESULT; - virtual bool DeleteIndex(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id) WARN_UNUSED_RESULT; - virtual bool PutIndexDataForRecord( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKey& key, - const RecordIdentifier& record) WARN_UNUSED_RESULT; - virtual bool GetPrimaryKeyViaIndex( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKey& key, - scoped_ptr<IndexedDBKey>* primary_key) WARN_UNUSED_RESULT; - virtual bool KeyExistsInIndex(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKey& key, - scoped_ptr<IndexedDBKey>* found_primary_key, - bool& exists) WARN_UNUSED_RESULT; - - class Cursor { - public: - virtual ~Cursor(); - - enum IteratorState { - READY = 0, - SEEK - }; - - struct CursorOptions { - CursorOptions(); - ~CursorOptions(); - int64 database_id; - int64 object_store_id; - int64 index_id; - std::vector<char> low_key; - bool low_open; - std::vector<char> high_key; - bool high_open; - bool forward; - bool unique; - }; - - const IndexedDBKey& key() const { return *current_key_; } - bool ContinueFunction(const IndexedDBKey* = 0, IteratorState = SEEK); - bool Advance(unsigned long); - bool FirstSeek(); - - virtual Cursor* Clone() = 0; - virtual const IndexedDBKey& primary_key() const; - virtual std::vector<char>* Value() = 0; - virtual const RecordIdentifier& record_identifier() const; - virtual bool LoadCurrentRow() = 0; - - protected: - Cursor(LevelDBTransaction* transaction, - const CursorOptions& cursor_options); - explicit Cursor(const IndexedDBBackingStore::Cursor* other); - - virtual std::vector<char> EncodeKey(const IndexedDBKey& key) = 0; - - bool IsPastBounds() const; - bool HaveEnteredRange() const; - - LevelDBTransaction* transaction_; - const CursorOptions cursor_options_; - scoped_ptr<LevelDBIterator> iterator_; - scoped_ptr<IndexedDBKey> current_key_; - IndexedDBBackingStore::RecordIdentifier record_identifier_; - }; - - virtual scoped_ptr<Cursor> OpenObjectStoreKeyCursor( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const IndexedDBKeyRange& key_range, - indexed_db::CursorDirection); - virtual scoped_ptr<Cursor> OpenObjectStoreCursor( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - const IndexedDBKeyRange& key_range, - indexed_db::CursorDirection); - virtual scoped_ptr<Cursor> OpenIndexKeyCursor( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKeyRange& key_range, - indexed_db::CursorDirection); - virtual scoped_ptr<Cursor> OpenIndexCursor( - IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKeyRange& key_range, - indexed_db::CursorDirection); - - class Transaction { - public: - explicit Transaction(IndexedDBBackingStore* backing_store); - ~Transaction(); - void begin(); - bool Commit(); - void Rollback(); - void Reset() { - backing_store_ = NULL; - transaction_ = NULL; - } - - static LevelDBTransaction* LevelDBTransactionFrom( - Transaction* transaction) { - return transaction->transaction_.get(); - } - - private: - IndexedDBBackingStore* backing_store_; - scoped_refptr<LevelDBTransaction> transaction_; - }; - - protected: - IndexedDBBackingStore(const string16& identifier, - scoped_ptr<LevelDBDatabase> db, - scoped_ptr<LevelDBComparator> comparator); - virtual ~IndexedDBBackingStore(); - friend class base::RefCounted<IndexedDBBackingStore>; - - private: - static scoped_refptr<IndexedDBBackingStore> Create( - const string16& identifier, - scoped_ptr<LevelDBDatabase> db, - scoped_ptr<LevelDBComparator> comparator); - - bool FindKeyInIndex(IndexedDBBackingStore::Transaction* transaction, - int64 database_id, - int64 object_store_id, - int64 index_id, - const IndexedDBKey& key, - std::vector<char>& found_encoded_primary_key, - bool& found); - bool GetIndexes(int64 database_id, - int64 object_store_id, - IndexedDBObjectStoreMetadata::IndexMap* map) - WARN_UNUSED_RESULT; - - string16 identifier_; - - scoped_ptr<LevelDBDatabase> db_; - scoped_ptr<LevelDBComparator> comparator_; - base::WeakPtrFactory<IndexedDBBackingStore> weak_factory_; -}; - -} // namespace content - -#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_ |