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26 #ifndef IDBBackingStore_h
27 #define IDBBackingStore_h
29 #if ENABLE(INDEXED_DATABASE)
31 #include "IDBCursor.h"
32 #include "IDBFactoryBackendInterface.h"
33 #include "SQLiteDatabase.h"
34 #include <wtf/PassRefPtr.h>
35 #include <wtf/RefCounted.h>
36 #include <wtf/RefPtr.h>
37 #include <wtf/Vector.h>
45 class IDBBackingStore : public RefCounted<IDBBackingStore> {
47 virtual ~IDBBackingStore() {};
49 virtual void getDatabaseNames(Vector<String>& foundNames) = 0;
50 virtual bool getIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId) = 0;
51 virtual bool createIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId) = 0;
52 virtual bool updateIDBDatabaseMetaData(int64_t rowId, const String& version) = 0;
53 virtual bool deleteDatabase(const String& name) = 0;
55 virtual void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags) = 0;
56 virtual bool createObjectStore(int64_t databaseId, const String& name, const String& keyPath, bool autoIncrement, int64_t& assignedObjectStoreId) = 0;
57 virtual void deleteObjectStore(int64_t databaseId, int64_t objectStoreId) = 0;
59 class ObjectStoreRecordIdentifier : public RefCounted<ObjectStoreRecordIdentifier> {
61 virtual bool isValid() const = 0;
62 virtual ~ObjectStoreRecordIdentifier() {}
64 virtual PassRefPtr<ObjectStoreRecordIdentifier> createInvalidRecordIdentifier() = 0;
66 virtual String getObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&) = 0;
67 virtual bool putObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&, const String& value, ObjectStoreRecordIdentifier*) = 0;
68 virtual void clearObjectStore(int64_t databaseId, int64_t objectStoreId) = 0;
69 virtual void deleteObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const ObjectStoreRecordIdentifier*) = 0;
70 virtual double nextAutoIncrementNumber(int64_t databaseId, int64_t objectStoreId) = 0;
71 virtual bool keyExistsInObjectStore(int64_t databaseId, int64_t objectStoreId, const IDBKey&, ObjectStoreRecordIdentifier* foundRecordIdentifier) = 0;
73 class ObjectStoreRecordCallback {
75 virtual bool callback(const ObjectStoreRecordIdentifier*, const String& value) = 0;
76 virtual ~ObjectStoreRecordCallback() {};
78 virtual bool forEachObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, ObjectStoreRecordCallback&) = 0;
80 virtual void getIndexes(int64_t databaseId, int64_t objectStoreId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundUniqueFlags) = 0;
81 virtual bool createIndex(int64_t databaseId, int64_t objectStoreId, const String& name, const String& keyPath, bool isUnique, int64_t& indexId) = 0;
82 virtual void deleteIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId) = 0;
83 virtual bool putIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&, const ObjectStoreRecordIdentifier*) = 0;
84 virtual bool deleteIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const ObjectStoreRecordIdentifier*) = 0;
85 virtual String getObjectViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&) = 0;
86 virtual PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&) = 0;
87 virtual bool keyExistsInIndex(int64_t databaseid, int64_t objectStoreId, int64_t indexId, const IDBKey& indexKey, RefPtr<IDBKey>& foundPrimaryKey) = 0;
89 class Cursor : public RefCounted<Cursor> {
91 virtual bool continueFunction(const IDBKey* = 0) = 0;
92 virtual PassRefPtr<IDBKey> key() = 0;
93 virtual PassRefPtr<IDBKey> primaryKey() = 0;
94 virtual String value() = 0;
95 virtual PassRefPtr<ObjectStoreRecordIdentifier> objectStoreRecordIdentifier() = 0;
96 virtual int64_t indexDataId() = 0;
97 virtual void close() = 0;
98 virtual ~Cursor() { };
101 virtual PassRefPtr<Cursor> openObjectStoreCursor(int64_t databaseId, int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction) = 0;
102 virtual PassRefPtr<Cursor> openIndexKeyCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction) = 0;
103 virtual PassRefPtr<Cursor> openIndexCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction) = 0;
105 class Transaction : public RefCounted<Transaction> {
107 virtual ~Transaction() { }
108 virtual void begin() = 0;
109 virtual void commit() = 0;
110 virtual void rollback() = 0;
112 virtual PassRefPtr<Transaction> createTransaction() = 0;
115 } // namespace WebCore
119 #endif // IDBBackingStore_h