PropertyInfo propertyInfo2; //fieldof(DPCollection<RoleDpo>) or fieldof(xxxDpo)
#endregion Fields
#region Constructors
public Mapping(PersistentObject dpo, PropertyInfo propertyInfo2)
{
this.association = Reflex.GetAssociationAttribute(propertyInfo2);
if (association == null)
return;
this.dpoInstance = dpo;
this.propertyInfo2 = propertyInfo2;
Type dpoType2; //typeof(RoleDpo)
if (propertyInfo2.PropertyType.IsGenericType)
{
dpoType2 = PersistentObject.GetCollectionGenericType(propertyInfo2);
if (this.association.TRelation == null)
mappingType = MappingType.One2Many;
else
mappingType = MappingType.Many2Many;
}
else
{
dpoType2 = propertyInfo2.PropertyType;
mappingType = MappingType.One2One;
}
this.propertyInfo1 = dpo.GetType().GetProperty(association.Column1);
if (mappingType == MappingType.Many2Many)
{
this.clause1 = new SqlBuilder()
.SELECT.COLUMNS(association.Relation2)
.FROM(association.TRelation)
.WHERE(association.Relation1.ColumnName() == association.Column1.ParameterName());
this.clause2 = new SqlBuilder()
.SELECT
.COLUMNS()
.FROM(dpoType2)
.WHERE(association.Relation2.ColumnName().IN(this.clause1));
}
else
{
SqlExpr where = association.Column2.ColumnName() == association.Column1.ParameterName();
if (association.Filter != null)
where = where.AND(association.Filter);
this.clause2 = new SqlBuilder()
.SELECT
.COLUMNS()
.FROM(dpoType2)
.WHERE(where);
if(association.OrderBy != null)
this.clause2 = clause2.ORDER_BY(association.OrderBy);
}
}