flightsimulatorplatfrom/pilotclient
1
0
Fork 0
mirror of https://github.com/swift-project/pilotclient.git synced 2026-04-02 23:25:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

refs #494 Value class CValueCachePacket is a packet of cache value changes with timestamps.

Browse Source
This commit is contained in:
Mathew Sutcliffe
2015-10-22 22:25:34 +01:00
parent a284de3acb
commit eb11b69c6d
6 changed files with 142 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/blackmisc/valuecache.h
View File

@@ -17,6 +17,54 @@
namespace BlackMisc
{
/*!
* Value class used for signalling changed values in the cache.
*/
class BLACKMISC_EXPORT CValueCachePacket :
public CDictionary<QString, std::pair<CVariant, qint64>, QMap>,
public Mixin::MetaType<CValueCachePacket>
{
public:
//! Default constructor.
CValueCachePacket() {}
//! Construct from CVariantMap and a timestamp.
CValueCachePacket(const CVariantMap &values, qint64 timestamp);
//! Insert a key/value pair with a timestamp.
void insert(const QString &key, const CVariant &value, qint64 timestamp);
//! Insert a CVariantMap with a timestamp.
void insert(const CVariantMap &values, qint64 timestamp);
//! Insert values from another packet.
void insert(const CValueCachePacket &other) { CDictionary::insert(other); }
//! Discard timestamps and return as variant map.
CVariantMap toVariantMap() const;
//! \private Iterator behaves like a CVariantMap::const_iterator with an additional timestamp() method.
struct const_iterator : public CDictionary::const_iterator
{
using value_type = CVariant;
using pointer = const value_type *;
using reference = const value_type &;
const_iterator(CDictionary::const_iterator base) : CDictionary::const_iterator(base) {}
reference value() const { return CDictionary::const_iterator::value().first; }
reference operator *() const { return value(); }
pointer operator ->() const { return &value(); }
qint64 timestamp() const { return CDictionary::const_iterator::value().second; }
};
//! Iterators.
//! @{
const_iterator cbegin() const { return CDictionary::cbegin(); }
const_iterator cend() const { return CDictionary::cend(); }
const_iterator begin() const { return CDictionary::cbegin(); }
const_iterator end() const { return CDictionary::cend(); }
//! @}
};
/*!
* Manages a map of { QString, CVariant } pairs, which can be distributed among multiple processes.
*/
@@ -213,4 +261,6 @@ namespace BlackMisc
} // namespace
Q_DECLARE_METATYPE(BlackMisc::CValueCachePacket)
#endif