private void BindManyToManySubelements(Mapping.Collection collection, XmlNode manyToManyNode)
{
// Bind the where
XmlAttribute where = manyToManyNode.Attributes["where"];
string whereCondition = where == null ? null : where.Value;
collection.ManyToManyWhere = whereCondition;
// Bind the order-by
XmlAttribute order = manyToManyNode.Attributes["order-by"];
string orderFragment = order == null ? null : order.Value;
collection.ManyToManyOrdering = orderFragment;
// Bind the filters
if ((manyToManyNode.SelectSingleNode(HbmConstants.nsFilter, namespaceManager) != null ||
whereCondition != null) &&
collection.FetchMode == FetchMode.Join &&
collection.Element.FetchMode != FetchMode.Join)
throw new MappingException(
"many-to-many defining filter or where without join fetching " +
"not valid within collection using join fetching [" + collection.Role + "]"
);
foreach (XmlNode filterElement in manyToManyNode.SelectNodes(HbmConstants.nsFilter, namespaceManager))
{
string name = XmlHelper.GetAttributeValue(filterElement, "name");
string condition = filterElement.InnerText.Trim();
if (StringHelper.IsEmpty(condition))
condition = XmlHelper.GetAttributeValue(filterElement, "condition");
if (StringHelper.IsEmpty(condition))
condition = mappings.GetFilterDefinition(name).DefaultFilterCondition;
if (condition == null)
throw new MappingException("no filter condition found for filter: " + name);
log.Debug(
"Applying many-to-many filter [" + name +
"] as [" + condition +
"] to role [" + collection.Role + "]"
);
collection.AddManyToManyFilter(name, condition);
}
}
