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26 #ifndef IDBLevelDBBackingStore_h
27 #define IDBLevelDBBackingStore_h
29 #if ENABLE(INDEXED_DATABASE)
32 #include "IDBBackingStore.h"
33 #include <wtf/OwnPtr.h>
37 class LevelDBComparator;
38 class LevelDBDatabase;
39 class LevelDBTransaction;
40 class IDBFactoryBackendImpl;
42 class IDBLevelDBBackingStore : public IDBBackingStore {
44 static PassRefPtr<IDBBackingStore> open(SecurityOrigin*, const String& pathBase, int64_t maximumSize, const String& fileIdentifier, IDBFactoryBackendImpl*);
45 virtual ~IDBLevelDBBackingStore();
47 virtual bool extractIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId);
48 virtual bool setIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId, bool invalidRowId);
50 virtual void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags);
51 virtual bool createObjectStore(int64_t databaseId, const String& name, const String& keyPath, bool autoIncrement, int64_t& assignedObjectStoreId);
52 virtual void deleteObjectStore(int64_t databaseId, int64_t objectStoreId);
53 virtual PassRefPtr<ObjectStoreRecordIdentifier> createInvalidRecordIdentifier();
54 virtual String getObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&);
55 virtual bool putObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&, const String& value, ObjectStoreRecordIdentifier*);
56 virtual void clearObjectStore(int64_t databaseId, int64_t objectStoreId);
57 virtual void deleteObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const ObjectStoreRecordIdentifier*);
58 virtual double nextAutoIncrementNumber(int64_t databaseId, int64_t objectStoreId);
59 virtual bool keyExistsInObjectStore(int64_t databaseId, int64_t objectStoreId, const IDBKey&, ObjectStoreRecordIdentifier* foundRecordIdentifier);
61 virtual bool forEachObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, ObjectStoreRecordCallback&);
63 virtual void getIndexes(int64_t databaseId, int64_t objectStoreId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundUniqueFlags);
64 virtual bool createIndex(int64_t databaseId, int64_t objectStoreId, const String& name, const String& keyPath, bool isUnique, int64_t& indexId);
65 virtual void deleteIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId);
66 virtual bool putIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&, const ObjectStoreRecordIdentifier*);
67 virtual bool deleteIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const ObjectStoreRecordIdentifier*);
68 virtual String getObjectViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&);
69 virtual PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&);
70 virtual bool keyExistsInIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey& indexKey, RefPtr<IDBKey>& foundPrimaryKey);
72 virtual PassRefPtr<Cursor> openObjectStoreCursor(int64_t databaseId, int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction);
73 virtual PassRefPtr<Cursor> openIndexKeyCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
74 virtual PassRefPtr<Cursor> openIndexCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
76 virtual PassRefPtr<Transaction> createTransaction();
77 virtual IDBFactoryBackendInterface::BackingStoreType backingStoreType() const { return IDBFactoryBackendInterface::LevelDBBackingStore; }
79 static bool backingStoreExists(SecurityOrigin*, const String& name, const String& pathBase);
82 IDBLevelDBBackingStore(const String& identifier, IDBFactoryBackendImpl*, PassOwnPtr<LevelDBDatabase>);
85 RefPtr<IDBFactoryBackendImpl> m_factory;
86 OwnPtr<LevelDBDatabase> m_db;
87 OwnPtr<LevelDBComparator> m_comparator;
88 RefPtr<LevelDBTransaction> m_currentTransaction;
90 class Transaction : public IDBBackingStore::Transaction {
92 static PassRefPtr<Transaction> create(IDBLevelDBBackingStore*);
94 virtual void commit();
95 virtual void rollback();
98 Transaction(IDBLevelDBBackingStore*);
99 IDBLevelDBBackingStore* m_backingStore;
103 } // namespace WebCore
106 #endif // ENABLE(LEVELDB)
107 #endif // ENABLE(INDEXED_DATABASE)
109 #endif // IDBLevelDBBackingStore_h