public CascadeEntityJoinWalker(IOuterJoinLoadable persister, CascadingAction action,
ISessionFactoryImplementor factory)
: base(persister, factory, CollectionHelper.EmptyDictionary <string, IFilter>())
{
cascadeAction = action;
SqlStringBuilder whereCondition = WhereString(Alias, persister.IdentifierColumnNames, 1)
//include the discriminator and class-level where, but not filters
.Add(persister.FilterFragment(Alias, CollectionHelper.EmptyDictionary <string, IFilter>()));
InitAll(whereCondition.ToSqlString(), SqlString.Empty, LockMode.Read);
}
public CascadeEntityLoader(IOuterJoinLoadable persister, CascadingAction action, ISessionFactoryImplementor factory)
: base(persister, persister.IdentifierType, factory, CollectionHelper.EmptyDictionary <string, IFilter>())
{
JoinWalker walker = new CascadeEntityJoinWalker(persister, action, factory);
InitFromWalker(walker);
PostInstantiate();
log.Debug("Static select for action {0} on entity {1}: {2}", action, entityName, SqlString);
}
private static bool DoCascade(CascadingAction cascadingAction, GraphNode childNode, EntityAssociation childAssociation)
{
var cascade = childAssociation.InverseAssociationPropertyCascadeStyle;
if (cascade == null)
{
return(false);
}
return(cascade.DoCascade(cascadingAction) &&
DoCascade(cascadingAction, childNode.EntityInfo.EntityState));
}
private static bool DoCascade(CascadingAction cascadingAction, EntityState childState)
{
// Deleted entities do not cascade with SaveUpdate action
return((cascadingAction == CascadingAction.SaveUpdate && childState != EntityState.Deleted) ||
(cascadingAction == CascadingAction.Delete && childState == EntityState.Deleted));
}
