internal static DynamicMemberHandle GetCachedField(Type objectType, string fieldName)
{
var key = new MethodCacheKey(objectType.FullName, fieldName, GetParameterTypes(null));
DynamicMemberHandle mh = null;
if (!_memberCache.TryGetValue(key, out mh))
{
lock (_memberCache)
{
if (!_memberCache.TryGetValue(key, out mh))
{
FieldInfo info = objectType.GetField(fieldName, fieldFlags);
if (info == null)
{
throw new InvalidOperationException(
string.Format(Resources.MemberNotFoundException, fieldName));
}
mh = new DynamicMemberHandle(info);
_memberCache.Add(key, mh);
}
}
}
return(mh);
}
internal static DynamicMemberHandle GetCachedField(Type objectType, string fieldName)
{
var key = new MethodCacheKey(objectType.FullName, fieldName, GetParameterTypes(null));
DynamicMemberHandle mh = null;
if (!_memberCache.TryGetValue(key, out mh))
{
lock (_memberCache)
{
if (!_memberCache.TryGetValue(key, out mh))
{
FieldInfo info = objectType.GetField(fieldName, fieldFlags);
if (info == null)
throw new InvalidOperationException(
string.Format(Resources.MemberNotFoundException, fieldName));
mh = new DynamicMemberHandle(info);
_memberCache.Add(key, mh);
}
}
}
return mh;
}
public MemberMapping(DynamicMemberHandle fromMemberHandle, DynamicMemberHandle toMemberHandle)
{
FromMemberHandle = fromMemberHandle;
ToMemberHandle = toMemberHandle;
}
private static void SetValueWithCoercion(object target, DynamicMemberHandle handle, object value)
{
var oldValue = handle.DynamicMemberGet(target);
Type pType = handle.MemberType;
if (!pType.IsGenericType
|| (pType.IsGenericType && pType.GetGenericTypeDefinition() != typeof(Nullable<>)))
{
if (pType.IsValueType && (pType.IsPrimitive || pType == typeof(decimal)) && value == null)
{
value = 0;
}
}
if (value != null)
{
Type vType = Utilities.GetPropertyType(value.GetType());
value = Utilities.CoerceValue(pType, vType, oldValue, value);
}
handle.DynamicMemberSet(target, value);
}