Bravo3\Orm\Mappers\Metadata\Entity::addRelationship PHP Метод

    public function addRelationship(Relationship $relationship)
    {
        $this->relationships[] = $relationship;
        $this->property_map = null;
        return $this;
    }

 /**
  * Parse a map file, loading metadata from YAML
  *
  * @param string $fn
  * @return $this
  */
 protected function loadMap($fn)
 {
     $map = $this->getParser()->parse(file_get_contents($fn));
     foreach ($map as $class => $schema) {
         $table = $this->getNode($schema, Schema::TABLE_NAME);
         $entity = new Entity($class, $table);
         // Columns
         $columns = $this->getNode($schema, Schema::COLUMNS);
         foreach ($columns as $property => $column_schema) {
             if ($this->getNode($column_schema, Schema::REL_ASSOCIATION, false)) {
                 $rel = $this->createRelationship($property, $column_schema);
                 $rel->setSource($class);
                 $entity->addRelationship($rel);
             } else {
                 $entity->addColumn($this->createColumn($property, $column_schema));
             }
         }
         // Table sortables
         $entity->setSortables($this->createSortables($schema));
         // Table indices
         $indices = $this->getNode($schema, Schema::STD_INDICES, false, []);
         foreach ($indices as $name => $index_schema) {
             $index = new Index($table, $name);
             $index->setColumns($this->getNode($index_schema, Schema::INDEX_COLUMNS, false, []));
             $index->setMethods($this->getNode($index_schema, Schema::INDEX_METHODS, false, []));
             $entity->addIndex($index);
         }
         // Add to map
         $this->entities[$class] = $entity;
     }
     return $this;
 }