protected override PropertyDefinition _Clone()
{
EntityPropertyDefinition prop = new EntityPropertyDefinition();
CopyTo(prop);
return(prop);
}
public override void CopyTo(PropertyDefinition to)
{
base.CopyTo(to);
EntityPropertyDefinition property = (to as EntityPropertyDefinition);
if (property != null)
{
foreach (SourceField sf in _fields)
{
property._fields.Add(sf);
}
}
}
internal static EntityPropertyDefinition InitFromScalar(EntityPropertyDefinition ed, ScalarPropertyDefinition pd)
{
if (!pd.PropertyType.IsEntityType)
{
throw new ArgumentException(string.Format("EntityProperty type must be a entity type. Passed {0}", pd.PropertyType.Identifier));
}
pd.CopyTo(ed);
ed._sf = pd.SourceFragment;
var pks = pd.PropertyType.Entity.GetPkProperties();
string propAlias = null;
if (pks.Count() != 0)
{
propAlias = pks.First().PropertyAlias;
}
SourceField field = new SourceField(
propAlias,
ed._sf, pd.SourceFieldExpression, pd.SourceTypeSize, pd.IsNullable, pd.SourceType,
pd.SourceField.DefaultValue, pd.SourceFieldAlias
);
ed._fields.Add(field);
if (string.IsNullOrEmpty(propAlias))
{
EntityDefinition.PropertyAddedDelegate d = null;
d = (e, p) =>
{
if (p.HasAttribute(Field2DbRelations.PK))
{
field.PropertyAlias = p.PropertyAlias;
e.PropertyAdded -= d;
}
};
pd.PropertyType.Entity.PropertyAdded += d;
}
return(ed);
}