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28 #ifndef SQLTransaction_h
29 #define SQLTransaction_h
31 #if ENABLE(SQL_DATABASE)
33 #include "SQLStatement.h"
34 #include <wtf/Deque.h>
35 #include <wtf/Forward.h>
36 #include <wtf/ThreadSafeRefCounted.h>
37 #include <wtf/Vector.h>
43 class SQLiteTransaction;
44 class SQLStatementCallback;
45 class SQLStatementErrorCallback;
47 class SQLTransactionCallback;
48 class SQLTransactionErrorCallback;
52 typedef int ExceptionCode;
54 class SQLTransactionWrapper : public ThreadSafeRefCounted<SQLTransactionWrapper> {
56 virtual ~SQLTransactionWrapper() { }
57 virtual bool performPreflight(SQLTransaction*) = 0;
58 virtual bool performPostflight(SQLTransaction*) = 0;
59 virtual SQLError* sqlError() const = 0;
60 virtual void handleCommitFailedAfterPostflight(SQLTransaction*) = 0;
63 class SQLTransaction : public ThreadSafeRefCounted<SQLTransaction> {
65 static PassRefPtr<SQLTransaction> create(Database*, PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>,
66 PassRefPtr<VoidCallback>, PassRefPtr<SQLTransactionWrapper>, bool readOnly = false);
70 void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments,
71 PassRefPtr<SQLStatementCallback>, PassRefPtr<SQLStatementErrorCallback>, ExceptionCode&);
74 bool performNextStep();
75 void performPendingCallback();
77 Database* database() { return m_database.get(); }
78 bool isReadOnly() { return m_readOnly; }
79 void notifyDatabaseThreadIsShuttingDown();
82 SQLTransaction(Database*, PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>,
83 PassRefPtr<VoidCallback>, PassRefPtr<SQLTransactionWrapper>, bool readOnly);
85 typedef void (SQLTransaction::*TransactionStepMethod)();
86 TransactionStepMethod m_nextStep;
88 void enqueueStatement(PassRefPtr<SQLStatement>);
90 void checkAndHandleClosedOrInterruptedDatabase();
93 void openTransactionAndPreflight();
94 void deliverTransactionCallback();
95 void scheduleToRunStatements();
97 void getNextStatement();
98 bool runCurrentStatement();
99 void handleCurrentStatementError();
100 void deliverStatementCallback();
101 void deliverQuotaIncreaseCallback();
102 void postflightAndCommit();
103 void deliverSuccessCallback();
104 void cleanupAfterSuccessCallback();
105 void handleTransactionError(bool inCallback);
106 void deliverTransactionErrorCallback();
107 void cleanupAfterTransactionErrorCallback();
109 #if !ENABLE(TIZEN_LOG)
111 static const char* debugStepName(TransactionStepMethod);
114 static const char* debugStepName(TransactionStepMethod);
117 RefPtr<SQLStatement> m_currentStatement;
119 bool m_executeSqlAllowed;
121 RefPtr<Database> m_database;
122 RefPtr<SQLTransactionWrapper> m_wrapper;
123 SQLCallbackWrapper<SQLTransactionCallback> m_callbackWrapper;
124 SQLCallbackWrapper<VoidCallback> m_successCallbackWrapper;
125 SQLCallbackWrapper<SQLTransactionErrorCallback> m_errorCallbackWrapper;
126 RefPtr<SQLError> m_transactionError;
127 bool m_shouldRetryCurrentStatement;
128 bool m_modifiedDatabase;
131 bool m_hasVersionMismatch;
133 Mutex m_statementMutex;
134 Deque<RefPtr<SQLStatement> > m_statementQueue;
136 OwnPtr<SQLiteTransaction> m_sqliteTransaction;
139 } // namespace WebCore
143 #endif // SQLTransaction_h