QtDataSync::DatabaseRef Class Reference

A wrapper around QSqlDatabase to manage the connections. More...

#include <defaults.h>

Public Member Functions
	DatabaseRef ()
	Default constructor. Constructs an invalid database reference.
	DatabaseRef (DatabaseRef &&other) noexcept
	Move constructor.
DatabaseRef &	operator= (DatabaseRef &&other) noexcept
	Move assignment operator.
bool	isValid () const
	Returns true if this reference points to a valid database.
QSqlDatabase	database () const
	Returns the database that is managed by this reference.
	operator QSqlDatabase () const
	Implicit cast operator to the managed database.
QSqlDatabase *	operator-> () const
	Arrow operator to access the database.
void	drop ()
	Drops the reference to the database early.

Detailed Description

A wrapper around QSqlDatabase to manage the connections.

Internally, this class holds a reference to a sqlite database. The first reference created form a Defaults instance will also create the database connection. From there on, the references to the database are counted with this class. Once the last instance gets destroyed, the database connection closes and gets deleted. Because of this it's important to not extract the QSqlDatabase from this class to "permanent" variable. Try to use the reference class where possible and only pass the internal database to scoped objects.

See also

Defaults::aquireDatabase, QSqlDatabase

Definition at line 28 of file defaults.h.

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The documentation for this class was generated from the following file:

• defaults.h