public virtual void TestCollectIdsByFieldName()
{
ClassMetadataCollectIdsTestCase.Item root = QueryRootItem();
CollectIdContext context = CollectIdContext.ForID(Trans(), (int)Db().GetID(root));
context.ClassMetadata().CollectIDs(context, "typedRef");
AssertCollectedIds(context, new object[] { root.typedRef });
}
public virtual void TestCollectIds()
{
ClassMetadataCollectIdsTestCase.Item root = QueryRootItem();
CollectIdContext context = CollectIdContext.ForID(Trans(), (int)Db().GetID(root));
context.ClassMetadata().CollectIDs(context);
AssertCollectedIds(context, new object[] { root.typedRef, root.untypedRef, root.UntypedElementAt
(0) });
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private bool CollectIDsByTypehandlerAspect(QueryingReadContext context)
{
BooleanByRef aspectFound = new BooleanByRef(false);
CollectIdContext subContext = CollectIdContext.ForID(context.Transaction(), context
.Collector(), context.CollectionID());
ITraverseAspectCommand command = new _MarshallingInfoTraverseAspectCommand_349(this
, aspectFound, subContext, EnsureFieldList(subContext));
TraverseAllAspects(subContext, command);
return(aspectFound.value);
}
public object Apply(object current)
{
int id = ((int)current);
CollectIdContext context = CollectIdContext.ForID(this._enclosing.i_trans, id);
if (context == null)
{
return(Iterators.Skip);
}
context.ClassMetadata().CollectIDs(context, fieldName);
return(new TreeKeyIterator(context.Ids()));
}
public virtual IEnumerator ReferencesFrom(int id)
{
CollectIdContext context = CollectIdContext.ForID(_transaction, id);
ClassMetadata classMetadata = context.ClassMetadata();
if (null == classMetadata)
{
// most probably ClassMetadata reading
return(Iterators.EmptyIterator);
}
if (!classMetadata.HasIdentity())
{
throw new InvalidOperationException(classMetadata.ToString());
}
if (!Handlers4.IsCascading(classMetadata.TypeHandler()))
{
return(Iterators.EmptyIterator);
}
classMetadata.CollectIDs(context);
return(new TreeKeyIterator(context.Ids()));
}
