/**
* Create a field object for the many-to-many relationship matching the
* supplied name.
*
* @param string $name
* @return \Dewdrop\Db\ManyToMany\Field
*/
public function instantiate($name)
{
$rel = $this->table->getManyToManyRelationship($name);
$field = new Field($this->table, $name, $rel->getFieldMetadata());
$field->setManyToManyRelationship($rel);
return $field;
}
/**
* Get the value of the specified column.
*
* @param string $name
* @return mixed
* @throws Exception
*/
public function get($name)
{
if (!in_array($name, $this->columns)) {
throw new Exception("Getting value of invalid column \"{$name}\"");
}
if ($this->table->hasManyToManyRelationship($name) && !in_array($name, $this->virtualFieldsInitialized) && !isset($this->data[$name])) {
$relationship = $this->table->getManyToManyRelationship($name);
$this->virtualFieldsInitialized[] = $name;
$this->data[$name] = $relationship->loadInitialValue($this);
}
if ($this->table->hasEav() && $this->table->getEav()->hasAttribute($name) && !in_array($name, $this->virtualFieldsInitialized)) {
$this->virtualFieldsInitialized[] = $name;
$this->data[$name] = $this->table->getEav()->loadInitialValue($this, $name);
}
return isset($this->data[$name]) ? $this->data[$name] : null;
}
