protected override void SetupRelationKeyValue(RelationRowCreationResource res)
{
IRelationPropertyType rpt = res.RelationPropertyType;
IBeanMetaData bmd = rpt.BeanMetaData;
DBMeta dbmeta = FindDBMeta(bmd.BeanType, bmd.TableName);
for (int i = 0; i < rpt.KeySize; ++i)
{
String columnName = rpt.GetMyKey(i) + res.BaseSuffix;
if (!res.ContainsColumnName(columnName))
{
continue;
}
if (!res.HasRowInstance())
{
Object row;
if (dbmeta != null)
{
row = dbmeta.NewEntity();
}
else
{
row = NewRelationRow(rpt);
}
res.Row = row;
}
if (!res.ContainsRelKeyValueIfExists(columnName))
{
continue;
}
Object value = res.ExtractRelKeyValue(columnName);
if (value == null)
{
// basically no way
// because this is not called if the referred value
// is null (then it must be no relation key)
// @see InternalBeanListMetaDataResultSetHandler
continue;
}
String yourKey = rpt.GetYourKey(i);
IPropertyType pt = bmd.GetPropertyTypeByColumnName(yourKey);
PropertyInfo pi = pt.PropertyInfo;
pi.SetValue(res.Row, value, null);
continue;
}
}
protected RelationKey CreateRelationKey(IDataReader reader, IRelationPropertyType rpt
, System.Collections.IList columnNames, System.Collections.Hashtable relKeyValues
, Map <String, int?> selectIndexMap)
{
System.Collections.ArrayList keyList = new System.Collections.ArrayList();
IBeanMetaData bmd = rpt.BeanMetaData;
for (int i = 0; i < rpt.KeySize; ++i)
{
IValueType valueType = null;
IPropertyType pt = rpt.BeanMetaData.GetPropertyTypeByColumnName(rpt.GetYourKey(i));
String relationNoSuffix = BuildRelationNoSuffix(rpt);
String columnName = RemoveQuoteIfExists(pt.ColumnName) + relationNoSuffix;
if (columnNames.Contains(columnName))
{
valueType = pt.ValueType;
}
else
{
// basically unreachable
// because the referred column (basically PK or FK) must exist
// if the relation's select clause is specified
return(null);
}
Object value;
if (selectIndexMap != null)
{
value = GetValue(reader, columnName, valueType, selectIndexMap);
}
else
{
value = valueType.GetValue(reader, columnName);
}
if (value == null)
{
// reachable when the referred column data is null
// (treated as no relation data)
return(null);
}
relKeyValues[columnName] = value;
keyList.Add(value);
}
if (keyList.Count > 0)
{
object[] keys = keyList.ToArray();
return(new RelationKey(keys));
}
else
{
return(null);
}
}