/// <summary>
/// Sets the factory that should be used for creating instances of <see cref="IResourceManager" />.
/// </summary>
/// <param name="factory">The factory.</param>
/// <param name="flags">The flags.</param>
/// <exception cref="System.ArgumentNullException"><paramref name="factory" /> was <see langword="null" />.</exception>
public static void ForResourceManagerUse(
[NotNull] Func <StyleManager, IResourceManager> factory,
DependencyCacheFlags flags)
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
AddOrUpdateCache(factory, flags);
}
/// <summary>
/// Sets the factory that should be used for creating instances of type <see cref="TDependancy" />.
/// </summary>
/// <param name="factory">The factory.</param>
/// <param name="flags">The flags.</param>
/// <exception cref="System.ArgumentNullException"><paramref name="factory" /> was <see langword="null" />.</exception>
public static void ForTypeUse <TDependancy, TArgs>(
[NotNull] Func <TArgs, TDependancy> factory,
DependencyCacheFlags flags)
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
AddOrUpdateCache(factory, flags);
}
public DependencyCache([NotNull] Func <TArgs, TDependancy> factory, DependencyCacheFlags flags)
{
Debug.Assert(factory != null, "factory != null");
Factory = factory;
Flags = flags;
switch (flags & CacheTypeMask)
{
case DependencyCacheFlags.CachePerArgs:
_perArgs = new ConcurrentDictionary <TArgs, TDependancy>();
_globalLock = new object();
break;
case DependencyCacheFlags.CacheGlobal:
_globalLock = new object();
break;
}
}
private static DependencyCache <TDependancy, TArgs> AddOrUpdateCache <TDependancy, TArgs>(
[NotNull] Func <TArgs, TDependancy> factory,
DependencyCacheFlags flags)
{
Debug.Assert(factory != null, "factory != null");
return((DependencyCache <TDependancy, TArgs>)_caches.AddOrUpdate(
new Tuple <Type, Type>(typeof(TDependancy), typeof(TArgs)),
_ => new DependencyCache <TDependancy, TArgs>(factory, flags),
(_, old) =>
{
Debug.Assert(
old is DependencyCache <TDependancy, TArgs>,
"old is DependencyCache<TDependancy, TArgs>");
((DependencyCache <TDependancy, TArgs>)old).Dispose();
return new DependencyCache <TDependancy, TArgs>(factory, flags);
}));
}
