Storm\Core\Mapping\DomainDatabaseMap::AddEntityRelationMap PHP Method

    private function AddEntityRelationMap(IEntityRelationalMap $EntityRelationalMap)
    {
        $EntityRelationalMap->Initialize($this);
        $EntityType = $EntityRelationalMap->GetEntityType();
        if (!$this->Domain->HasEntityMap($EntityType)) {
            throw new MappingException('The supplied entity relational map for %s is not part of the given domain.', $EntityType);
        }
        $this->EntityRelationMaps[$EntityType] = $EntityRelationalMap;
        $this->EntityRelationMapsByPrimaryKeyTable[$EntityRelationalMap->GetPrimaryKeyTable()->GetName()] = $EntityRelationalMap;
    }