diff options
Diffstat (limited to 'src/libs/installer/genericdatacache.cpp')
| -rw-r--r-- | src/libs/installer/genericdatacache.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libs/installer/genericdatacache.cpp b/src/libs/installer/genericdatacache.cpp index 7f21a5365..1b33976c8 100644 --- a/src/libs/installer/genericdatacache.cpp +++ b/src/libs/installer/genericdatacache.cpp @@ -112,6 +112,11 @@ CacheableItem::~CacheableItem() methods declared in the \l{CacheableItem} interface. The GenericDataCache\<T\> class can still be explicitly specialized to use the derived type as a template argument, to allow retrieving items as the derived type without casting. + + Each cache has a manifest file in its root directory, which lists the version + and wrapped type of the cache, and all its items. The file is updated automatically + when the cache object is destructed, or it can be updated periodically by + calling \l{sync()}. */ /*! @@ -273,6 +278,23 @@ bool GenericDataCache<T>::clear() } /*! + \fn template <typename T> QInstaller::GenericDataCache<T>::sync() + + Synchronizes the contents of the cache to its manifest file. Returns \c true + if the manifest file was updates successfully, \c false otherwise. +*/ +template<typename T> +bool GenericDataCache<T>::sync() +{ + if (m_invalidated) { + setErrorString(QCoreApplication::translate("GenericDataCache", + "Cannot synchronize invalidated cache.")); + return false; + } + return toDisk(); +} + +/*! \fn template <typename T> QInstaller::GenericDataCache<T>::isValid() const Returns \c true if the cache is valid, \c false otherwise. A cache is considered |