//--------------------------------------------------------------------------
private Group Insert(string name)
{
List <Group> groups = GroupsDao.Query(name);
if (groups.Count > 0)
{
throw new Exception("a group with this name already exists!");
}
// check we have the minimal set of meta data
Group group = new Group()
{
Name = name
};
GroupsDao.Insert(ref group);
_groupCache[group.Id] = group;
return(group);
}
//--------------------------------------------------------------------------
public List <Group> Query(string name)
{
return(GroupsDao.Query(name));
}