public ForeignObjectPropertyMapping(ForeignObjectMappingOptions options)
: base(options)
{
_options = options;
}
public static MappingOptionsSet AddDefaultRules(this MappingOptionsSet mappingOptionsSet)
{
mappingOptionsSet.AddTypeRule(x => !x.GetTypeInfo().IsAbstract, o => { throw new NotSupportedException("InheritedPropertyMapping supports abstract classes and interfaces only."); });
mappingOptionsSet.AddTypeRule(x => x.GetCustomAttribute <TableAttribute>() != null, o => {
TableAttribute attribute = o.Type.GetCustomAttribute <TableAttribute>();
o.TableName = attribute.TableName;
o.LoadBehavior = attribute.LoadBehavior;
});
mappingOptionsSet.AddTypeRule(x => x.GetTypeInfo().ImplementedInterfaces.Contains(typeof(INotifyPropertyChanged)), o => {
o.RaisePropertyChangeMethod = o.Type.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public).Where(x =>
x.GetParameters().Length == 1 &&
x.GetParameters()[0].ParameterType == typeof(PropertyChangedEventArgs) &&
x.GetCustomAttributes(typeof(IsRaisePropertyChangeMethodAttribute), true).Any()).FirstOrDefault();
});
mappingOptionsSet.AddMemberTypeRule(x => x.GetCustomAttribute <ForeignObjectMappingAttribute>() != null, x => { x.MappingType = MappingType.ForeignObjectMapping; });
mappingOptionsSet.AddMemberTypeRule(x => x.GetCustomAttribute <ReferenceListMappingAttribute>() != null, x => { x.MappingType = MappingType.ReferenceListMapping; });
mappingOptionsSet.AddMemberMappingRule(x => x.GetCustomAttribute <ForeignObjectMappingAttribute>() != null, o => {
ForeignObjectMappingOptions options = (ForeignObjectMappingOptions)o;
ForeignObjectMappingAttribute attribute = options.Member.GetCustomAttribute <ForeignObjectMappingAttribute>();
options.DatabaseFieldName = attribute.Fieldname;
if (attribute.ForeignObjectType != null)
{
options.ForeignObjectType = attribute.ForeignObjectType;
}
if (attribute.ReadOnly)
{
options.IsReadonly = true;
}
else
{
options.IsInsertable = attribute.Insertable;
options.IsUpdateable = attribute.Updateable;
}
options.IsPrimaryKey = options.Member.GetCustomAttribute <IsPrimaryKeyAttribute>() != null;
});
mappingOptionsSet.AddMemberMappingRule(x => x.GetCustomAttribute <ReferenceListMappingAttribute>() != null, o => {
ReferenceListMappingOptions options = (ReferenceListMappingOptions)o;
ReferenceListMappingAttribute attribute = options.Member.GetCustomAttribute <ReferenceListMappingAttribute>();
options.SaveCascade = attribute.SaveCascade;
options.DeleteCascade = attribute.DeleteCascade;
options.DropChangesCascade = attribute.DropChangesCascade;
options.ForeignProperty = attribute.ForeignProperty ?? attribute.ForeignType.GetProperties().Where(x => x.PropertyType == options.Member.DeclaringType).Single();
foreach (EqualsObjectConditionAttribute equalsObjectAttribute in options.Member.GetCustomAttributes <EqualsObjectConditionAttribute>())
{
options.Conditions.Add(attribute.ForeignType.GetProperty(equalsObjectAttribute.PropertyName), equalsObjectAttribute.Value);
}
});
mappingOptionsSet.AddMemberMappingRule(x => x.GetCustomAttribute <ForeignObjectMappingAttribute>() == null && x.GetCustomAttribute <ReferenceListMappingAttribute>() == null, o => {
FieldMappingOptions options = (FieldMappingOptions)o;
MappingAttribute attribute = options.Member.GetCustomAttribute <MappingAttribute>();
if (attribute != null)
{
options.DatabaseFieldName = attribute.FieldName ?? options.DatabaseFieldName;
if (attribute.ReadOnly)
{
options.IsReadonly = true;
}
else
{
options.IsInsertable = attribute.Insertable;
options.IsUpdateable = attribute.Updateable;
}
}
options.IsPrimaryKey = options.Member.GetCustomAttribute <IsPrimaryKeyAttribute>() != null;
});
return(mappingOptionsSet);
}
public bool Commit(bool withUndo)
{
if (!_isUncommitted)
{
if (withUndo && _isChanged)
{
_isChanged = false;
_changedValue = default(T);
return(true);
}
return(false);
}
_originalValue = _uncommittedValue;
_originalConvertedValue = default(T);
_isOriginalConvertedSetted = false;
ParameterExpression paramT = Expression.Parameter(typeof(T), "T");
if (object.Equals(_originalValue, default(T1)))
{
_originalQuery = null;
}
else if (_changedValue is IFillAbleObject &&
((IFillAbleObject)_changedValue).Keys.Count == 1 &&
((IFillAbleObject)_changedValue).Keys.Single() is T1 &&
object.Equals((T1)((IFillAbleObject)_changedValue).Keys.Single(), _originalValue))
{
_originalConvertedValue = _changedValue;
_isOriginalConvertedSetted = true;
}
else
{
Expression propertyAccess = null;
if (ForeignKeyMemberOptions is ForeignObjectMappingOptions)
{
propertyAccess = Expression.Property(paramT, ForeignKeyMemberOptions.Member);
ForeignObjectMappingOptions currentOptions = (ForeignObjectMappingOptions)ForeignKeyMemberOptions;
while (true)
{
propertyAccess = Expression.Property(propertyAccess, currentOptions.ForeignMember.Member);
if (currentOptions.ForeignMember is ForeignObjectMappingOptions)
{
currentOptions = (ForeignObjectMappingOptions)currentOptions.ForeignMember;
}
else
{
break;
}
}
}
else
{
propertyAccess = Expression.Property(paramT, ForeignKeyMemberOptions.Member);
}
((System.Collections.Specialized.INotifyCollectionChanged)(_originalQuery = ObjectStoreManager.DefaultObjectStore.GetQueryable <T>().Where(
Expression.Lambda <Func <T, bool> >(
Expression.Equal(
propertyAccess,
Expression.Constant(_originalValue)), paramT)).Take(1))).CollectionChanged += CollectionChangedHandler;
}
_uncommittedValue = default(T1);
_isUncommitted = false;
_isOriginalSetted = true;
if (withUndo)
{
_isChanged = false;
_changedValue = default(T);
}
return(true);
}
