protected override PropertyDefinition _Clone()
{
ScalarPropertyDefinition prop = new ScalarPropertyDefinition();
CopyTo(prop);
return(prop);
}
public EntityPropertyDefinition(ScalarPropertyDefinition pd)
{
if (pd.PropertyType.Entity.GetPkProperties().Count() != 1)
{
throw new ArgumentException(string.Format("Entity {0} must have single primary key", pd.PropertyType.Identifier));
}
InitFromScalar(this, pd);
}
public override void CopyTo(PropertyDefinition to)
{
base.CopyTo(to);
ScalarPropertyDefinition definition = (to as ScalarPropertyDefinition);
if (definition != null)
{
definition._sf = _sf.Clone();
definition.SourceFieldAlias = SourceFieldAlias;
}
}
public ScalarPropertyDefinition ToPropertyDefinition()
{
if (SourceFields.Count() > 1)
{
throw new InvalidOperationException(string.Format("Cannot convert property {0} to PropertyDefinition", Identifier));
}
var sf = SourceFields.First();
var p = new ScalarPropertyDefinition(Entity, Name)
{
SourceField = new SourceFieldDefinition(SourceFragment, sf.SourceFieldExpression, sf.SourceType, sf.SourceTypeSize, sf.IsNullable, false, sf.DefaultValue)
};
CopyTo(p);
return(p);
}
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);
}
internal static EntityPropertyDefinition FromScalar(ScalarPropertyDefinition pd)
{
return(InitFromScalar(new EntityPropertyDefinition(), pd));
}
