QConnectionDict Class Reference

Inheritance diagram for QConnectionDict:

Collaboration diagram for QConnectionDict:

Public Member Functions
QSqlDatabase	value_ts (const QString &key) const
bool	contains_ts (const QString &key) const
QStringList	keys_ts () const
Public Member Functions inherited from QHash< QString, QSqlDatabase >
	QHash () noexcept=default
	Constructs an empty hash.
	QHash (std::initializer_list< std::pair< QString, QSqlDatabase > > list)
	QHash (const QHash &other) noexcept
	Constructs a copy of other.
	QHash (QHash &&other) noexcept
	Move-constructs a QHash instance, making it point at the same object that other was pointing to.
	QHash (InputIterator f, InputIterator l)
	QHash (InputIterator f, InputIterator l)
	~QHash ()
	Destroys the hash.
QHash &	operator= (const QHash &other) noexcept(std::is_nothrow_destructible< Node >::value)
	Assigns other to this hash and returns a reference to this hash.
void	swap (QHash &other) noexcept
QTypeTraits::compare_eq_result_container< QHash, AKey, AT >	operator== (const QHash &other) const noexcept
	Returns true if other is equal to this hash; otherwise returns false.
QTypeTraits::compare_eq_result_container< QHash, AKey, AT >	operator!= (const QHash &other) const noexcept
	Returns true if other is not equal to this hash; otherwise returns false.
qsizetype	size () const noexcept
	Returns the number of items in the hash.
bool	isEmpty () const noexcept
	Returns true if the hash contains no items; otherwise returns false.
qsizetype	capacity () const noexcept
	Returns the number of buckets in the QHash's internal hash table.
void	reserve (qsizetype size)
	Ensures that the QHash's internal hash table has space to store at least size items without having to grow the hash table.
void	squeeze ()
	Reduces the size of the QHash's internal hash table to save memory.
void	detach ()
bool	isDetached () const noexcept
bool	isSharedWith (const QHash &other) const noexcept
void	clear () noexcept(std::is_nothrow_destructible< Node >::value)
	Removes all items from the hash and frees up all memory used by it.
bool	remove (const QString &key)
	Removes the item that has the key from the hash.
qsizetype	removeIf (Predicate pred)
QSqlDatabase	take (const QString &key)
	Removes the item with the key from the hash and returns the value associated with it.
bool	contains (const QString &key) const noexcept
	Returns true if the hash contains an item with the key; otherwise returns false.
qsizetype	count (const QString &key) const noexcept
	Returns the number of items associated with the key.
qsizetype	count () const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Same as size().
QString	key (const QSqlDatabase &value) const noexcept
QString	key (const QSqlDatabase &value, const QString &defaultKey) const noexcept
QSqlDatabase	value (const QString &key) const noexcept
QSqlDatabase	value (const QString &key, const QSqlDatabase &defaultValue) const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Returns the value associated with the key.
QSqlDatabase &	operator[] (const QString &key)
	Returns the value associated with the key as a modifiable reference.
const QSqlDatabase	operator[] (const QString &key) const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Same as value().
QList< QString >	keys () const
	Returns a list containing all the keys in the hash, in an arbitrary order.
QList< QString >	keys (const QSqlDatabase &value) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Returns a list containing all the keys associated with value value, in an arbitrary order.
QList< QSqlDatabase >	values () const
	Returns a list containing all the values in the hash, in an arbitrary order.
iterator	begin ()
	Returns an \l{STL-style iterators}{STL-style iterator} pointing to the first item in the hash.
const_iterator	begin () const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const_iterator	cbegin () const noexcept
const_iterator	constBegin () const noexcept
	Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the first item in the hash.
iterator	end () noexcept
	Returns an \l{STL-style iterators}{STL-style iterator} pointing to the imaginary item after the last item in the hash.
const_iterator	end () const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const_iterator	cend () const noexcept
const_iterator	constEnd () const noexcept
	Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the imaginary item after the last item in the hash.
key_iterator	keyBegin () const noexcept
key_iterator	keyEnd () const noexcept
key_value_iterator	keyValueBegin ()
const_key_value_iterator	keyValueBegin () const noexcept
key_value_iterator	keyValueEnd ()
const_key_value_iterator	keyValueEnd () const noexcept
const_key_value_iterator	constKeyValueBegin () const noexcept
const_key_value_iterator	constKeyValueEnd () const noexcept
auto	asKeyValueRange () &
auto	asKeyValueRange () const &
auto	asKeyValueRange () &&
auto	asKeyValueRange () const &&
iterator	erase (const_iterator it)
QPair< iterator, iterator >	equal_range (const QString &key)
QPair< const_iterator, const_iterator >	equal_range (const QString &key) const noexcept
iterator	find (const QString &key)
	Returns an iterator pointing to the item with the key in the hash.
const_iterator	find (const QString &key) const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const_iterator	constFind (const QString &key) const noexcept
iterator	insert (const QString &key, const QSqlDatabase &value)
	Inserts a new item with the key and a value of value.
void	insert (const QHash &hash)
iterator	emplace (const QString &key, Args &&... args)
iterator	emplace (QString &&key, Args &&... args)
	Inserts a new element into the container.
float	load_factor () const noexcept
	Returns the current load factor of the QHash's internal hash table.
size_t	bucket_count () const noexcept
bool	empty () const noexcept
	This function is provided for STL compatibility.

Public Attributes
QReadWriteLock	lock

Additional Inherited Members
Public Types inherited from QHash< QString, QSqlDatabase >
using	key_type = QString
	Typedef for Key.
using	mapped_type = QSqlDatabase
	Typedef for T.
using	value_type = QSqlDatabase
using	size_type = qsizetype
	Typedef for int.
using	difference_type = qsizetype
	Typedef for ptrdiff_t.
using	reference = QSqlDatabase &
using	const_reference = const QSqlDatabase &
typedef QKeyValueIterator< const QString &, const QSqlDatabase &, const_iterator >	const_key_value_iterator
	\inmodule QtCore
typedef QKeyValueIterator< const QString &, QSqlDatabase &, iterator >	key_value_iterator
	\inmodule QtCore
typedef iterator	Iterator
	Qt-style synonym for QHash::iterator.
typedef const_iterator	ConstIterator
	Qt-style synonym for QHash::const_iterator.
Static Public Member Functions inherited from QHash< QString, QSqlDatabase >
static float	max_load_factor () noexcept
static size_t	max_bucket_count () noexcept
Related Symbols inherited from QHash< QString, QSqlDatabase >
size_t	qHash (const QUrl &url, size_t seed) noexcept
	Returns the hash value for the url.
size_t	qHash (const QDateTime &key, size_t seed=0)
size_t	qHash (QDate key, size_t seed=0)
size_t	qHash (QTime key, size_t seed=0)
template< typename T1, typename T2 > size_t	qHash (const std::pair< T1, T2 > &key, size_t seed=0)
size_t	qHash (char key, size_t seed=0)
size_t	qHash (uchar key, size_t seed=0)
size_t	qHash (signed char key, size_t seed=0)
size_t	qHash (ushort key, size_t seed=0)
size_t	qHash (short key, size_t seed=0)
size_t	qHash (uint key, size_t seed=0)
size_t	qHash (int key, size_t seed=0)
size_t	qHash (ulong key, size_t seed=0)
size_t	qHash (long key, size_t seed=0)
size_t	qHash (quint64 key, size_t seed=0)
size_t	qHash (qint64 key, size_t seed=0)
size_t	qHash (char8_t key, size_t seed=0)
size_t	qHash (char16_t key, size_t seed=0)
size_t	qHash (char32_t key, size_t seed=0)
size_t	qHash (wchar_t key, size_t seed=0)
size_t	qHash (float key, size_t seed=0) noexcept
size_t	qHash (double key, size_t seed) noexcept
size_t	qHash (long double key, size_t seed) noexcept
size_t	qHash (const QChar key, size_t seed=0)
size_t	qHash (const QByteArray &key, size_t seed=0)
size_t	qHash (const QByteArrayView &key, size_t seed=0)
size_t	qHash (const QBitArray &key, size_t seed=0)
size_t	qHash (const QString &key, size_t seed=0)
size_t	qHash (QLatin1StringView key, size_t seed=0)
template< class QSqlDatabase > size_t	qHash (const QSqlDatabase *key, size_t seed=0)
template< class QSqlDatabase > size_t	qHash (std::nullptr_t key, size_t seed=0)
template< class QString, class QSqlDatabase > size_t	qHash (const QHash< QString, QSqlDatabase > &key, size_t seed=0)
size_t	qHash (QPoint key, size_t seed=0)
size_t	qHash (const QVersionNumber &key, size_t seed)
size_t	qHash (const QTypeRevision &key, size_t seed)
size_t	qHash (const QOcspResponse &response, size_t seed) noexcept
	Returns the hash value for the response, using seed to seed the calculation.
size_t	qHash (const QSslCertificate &key, size_t seed) noexcept
	Returns the hash value for the key, using seed to seed the calculation.
size_t	qHash (QSslEllipticCurve curve, size_t seed=0)
size_t	qHash (const QSslError &key, size_t seed) noexcept
	Returns the hash value for the key, using seed to seed the calculation.
size_t	qHash (const QGeoCoordinate &coordinate, size_t seed=0)
	Returns a hash value for coordinate, using seed to seed the calculation.
template< typename... QSqlDatabase > size_t	qHashMulti (size_t seed, const QSqlDatabase &...args)
template< typename... QSqlDatabase > size_t	qHashMultiCommutative (size_t seed, const QSqlDatabase &...args)
template< typename InputIterator > size_t	qHashRange (InputIterator first, InputIterator last, size_t seed=0)
template< typename InputIterator > size_t	qHashRangeCommutative (InputIterator first, InputIterator last, size_t seed=0)
size_t	qHashBits (const void *p, size_t len, size_t seed=0)
template< typename QSqlDatabase > bool	qHashEquals (const QSqlDatabase &a, const QSqlDatabase &b)
template< class QString, class QSqlDatabase > QDataStream &	operator<< (QDataStream &out, const QHash< QString, QSqlDatabase > &hash)
	Writes the hash hash to stream out.
template< class QString, class QSqlDatabase > QDataStream &	operator>> (QDataStream &in, QHash< QString, QSqlDatabase > &hash)
	Reads a hash from stream in into hash.
template< typename QString, typename QSqlDatabase, typename Predicate > qsizetype	erase_if (QHash< QString, QSqlDatabase > &hash, Predicate pred)

Detailed Description

Definition at line 27 of file qsqldatabase.cpp.

Member Function Documentation

contains_ts()

bool QConnectionDict::contains_ts ( const QString &  key ) const

inline

Definition at line 35 of file qsqldatabase.cpp.

References QHash< QString, QSqlDatabase >::contains(), and lock.

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keys_ts()

QStringList QConnectionDict::keys_ts ( ) const

inline

Definition at line 40 of file qsqldatabase.cpp.

References QHash< QString, QSqlDatabase >::keys(), and lock.

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value_ts()

QSqlDatabase QConnectionDict::value_ts ( const QString &  key ) const

inline

Definition at line 30 of file qsqldatabase.cpp.

References lock.

Referenced by QSqlDatabase::cloneDatabase(), and QSqlDatabasePrivate::database().

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Member Data Documentation

lock

QReadWriteLock QConnectionDict::lock

mutable

Definition at line 46 of file qsqldatabase.cpp.

Referenced by QSqlDatabasePrivate::addDatabase(), QSqlDatabasePrivate::cleanConnections(), contains_ts(), keys_ts(), QSqlDatabasePrivate::removeDatabase(), and value_ts().

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

• qtbase/src/sql/kernel/qsqldatabase.cpp