public static void RegisterMMLookup(ManyToManyRelationshipAttribute mmr, Type relType)
{
CheckMMSupport(mmr.First);
CheckMMSupport(mmr.Second);
string firstKey = null,
secondKey = null;
foreach (var p in relType.GetProperties())
{
AssociationAttribute aa;
if (p.TryGetAtr(out aa))
{
if (p.PropertyType == mmr.First && p.PropertyType == mmr.Second)
{
if (firstKey == null)
{
firstKey = aa.ThisKey;
}
else if (secondKey == null)
{
secondKey = aa.ThisKey;
}
else
{
throw new InvalidOperationException();
}
}
else if (p.PropertyType == mmr.First)
{
if (firstKey != null)
{
throw new InvalidOperationException();
}
firstKey = aa.ThisKey;
}
else if (p.PropertyType == mmr.Second)
{
if (secondKey != null)
{
throw new InvalidOperationException();
}
secondKey = aa.ThisKey;
}
}
}
if (firstKey.IsNull() || secondKey.IsNull())
{
throw new DMError(Translations.LookupHelper_RegisterMMLookup_Invalid_many_to_many_relationship_definition_for__0___1_, mmr.First.Name, mmr.Second.Name);
}
string tableName = SqlSerializationContext.ExtractTableName(relType.GetAtr <TableAttribute>().Name);
Put(__MMInfos, mmr.First, mmr.Second, new ManyToManyLookupInfo(firstKey, tableName, secondKey, relType));
Put(__MMInfos, mmr.Second, mmr.First, new ManyToManyLookupInfo(secondKey, tableName, firstKey, relType));
}
static DataObjectInfo()
{
// Precalculation dataobject information
Type type = typeof(TDataObject);
var ta = type.GetAtr <TableAttribute>();
TableName = SqlSerializationContext.ExtractTableName(ta.Name);
Columns = new List <ColumnInfo>(
from p in type.GetProperties()
where p.HasAtr <ColumnAttribute>()
select new ColumnInfo(type, p));
ColumnNames = Columns.Select(c => SqlUtils.WrapDbId(c.Name)).ConcatComma();
SelectSql = "SELECT " + ColumnNames + " FROM " + SqlUtils.WrapDbId(TableName);
IsSecured = typeof(ISecuredDataObject).IsAssignableFrom(typeof(TDataObject));
}
public static void RegisterLookup(Type ownerType, Type detailType, AssociationAttribute aa)
{
Put(__Infos, ownerType, detailType,
new LookupInfo(aa.OtherKey, SqlSerializationContext.ExtractTableName(detailType.GetAtr <TableAttribute>().Name)));
}
