private static DynamicCtorDelegate GetCachedConstructor(Type objectType)
{
DynamicCtorDelegate result = null;
if (!_ctorCache.TryGetValue(objectType, out result))
{
lock (_ctorCache)
{
if (!_ctorCache.TryGetValue(objectType, out result))
{
ConstructorInfo info = objectType.GetConstructor(ctorFlags, null, Type.EmptyTypes, null);
if (info == null)
{
throw new NotSupportedException(string.Format(
CultureInfo.CurrentCulture,
"Cannot create instance of Type '{0}'. No public parameterless constructor found.",
objectType));
}
result = DynamicMethodHandlerFactory.CreateConstructor(info);
_ctorCache.Add(objectType, result);
}
}
}
return(result);
}
private static DynamicCtorDelegate GetCachedConstructor(Type objectType)
{
DynamicCtorDelegate result = null;
var found = false;
try
{
found = _ctorCache.TryGetValue(objectType, out result);
}
catch
{ /* failure will drop into !found block */ }
if (!found)
{
lock (_ctorCache)
{
if (!_ctorCache.TryGetValue(objectType, out result))
{
#if NETFX_CORE
ConstructorInfo info = objectType.GetConstructor(ctorFlags, null, new Type[] { }, null);
#else
ConstructorInfo info = objectType.GetConstructor(ctorFlags, null, Type.EmptyTypes, null);
#endif
if (info == null)
{
throw new NotSupportedException(string.Format(
CultureInfo.CurrentCulture,
"Cannot create instance of Type '{0}'. No public parameterless constructor found.",
objectType));
}
result = DynamicMethodHandlerFactory.CreateConstructor(info);
_ctorCache.Add(objectType, result);
}
}
}
return(result);
}