public static T GetProperty <T>(string key, T defaultValue)
{
var value = ConfigurationManager.AppSettings[key];
var impl = GetPropertyImpl <T> .CreateInstanceWithCache(GetPropertyImpl <T> .CreateInstance);
if (impl == null)
{
throw new NotSupportedException();
}
return(impl.ToPropertyWithCache(key, value, defaultValue));
}
public static void Reset()
{
if (ms_ready)
{
lock (ms_lockObj)
{
if (ms_ready)
{
ms_instance = null;
Thread.MemoryBarrier();
ms_ready = false;
}
}
}
}
public static GetPropertyImpl <T> CreateInstanceWithCache(Func <GetPropertyImpl <T> > instantiator)
{
if (!ms_ready)
{
lock (ms_lockObj)
{
if (!ms_ready)
{
ms_instance = instantiator() as GetPropertyImpl <T>;
Thread.MemoryBarrier();
ms_ready = true;
}
}
}
return(ms_instance);
}
