added Session::isTransaction()

Data/SQLite/include/Poco/Data/SQLite/SessionImpl.h

@@ -83,6 +83,9 @@ public:
 	bool isConnected();
 		/// Returns true if connected, false otherwise.
 
+	bool isTransaction();
+		/// Returns true iff a transaction is in progress.
+
 private:
 	void open();
 		/// Opens a connection to the Database.
@@ -90,6 +93,7 @@ private:
 	std::string _dbFileName;
 	sqlite3*    _pDB;
 	bool        _connected;
+	bool        _isTransaction;
 	
 	static const std::string DEFERRED_BEGIN_TRANSACTION;
 	static const std::string COMMIT_TRANSACTION;
@@ -97,6 +101,15 @@ private:
 };
 
 
+//
+// inlines
+//
+inline 	bool SessionImpl::isTransaction()
+{
+	return _isTransaction;
+}
+
+
 } } } // namespace Poco::Data::SQLite
 
 

Data/SQLite/src/SessionImpl.cpp

@@ -54,7 +54,8 @@ const std::string SessionImpl::ABORT_TRANSACTION("ROLLBACK");
 SessionImpl::SessionImpl(const std::string& fileName):
 	_dbFileName(fileName),
 	_pDB(0),
-	_connected(false)
+	_connected(false),
+	_isTransaction(false)
 {
 	open();
 }
@@ -78,6 +79,7 @@ void SessionImpl::begin()
 	SQLiteStatementImpl tmp(*this, _pDB);
 	tmp.add(DEFERRED_BEGIN_TRANSACTION);
 	tmp.execute();
+	_isTransaction = true;
 }
 
 
@@ -86,6 +88,7 @@ void SessionImpl::commit()
 	SQLiteStatementImpl tmp(*this, _pDB);
 	tmp.add(COMMIT_TRANSACTION);
 	tmp.execute();
+	_isTransaction = false;
 }
 
 
@@ -94,6 +97,7 @@ void SessionImpl::rollback()
 	SQLiteStatementImpl tmp(*this, _pDB);
 	tmp.add(ABORT_TRANSACTION);
 	tmp.execute();
+	_isTransaction = false;
 }